'
}
}
global_geo_obj.html(weather_info);
var global_geo = jQuery('#forecast');
get_forecast_details(city, 4, global_geo, country);
})
});
});
function forecast_status(msg) {
jQuery('#forecast-header').html(msg);
}
function get_forecast_details(city, days_count, global_geo, country) {
global_geo.html('Loading forecast ...');
jQuery.ajax({
data: {
city: city,
report: 'daily'
},
dataType: 'jsonp',
url: 'https://upge.wn.com/api/upge/cheetah-photo-search/weather_forecast_4days',
success: function(data) {
if(!data) { text = ('weater data temporarily not available'); }
// loop through the list of weather info
weather_info = '';
var weather_day_loop = 0;
jQuery.each(data.list, function(idx, value) {
if (idx < 1) {
return;
}
if (weather_day_loop >= days_count) {
return false;
}
weather = value.weather.shift()
clouds = value.clouds
d = new Date(value.dt*1000)
t = d.getMonth()+1 + '-' + d.getDate() + '-' + d.getFullYear()
moment.lang('en', {
calendar : {
lastDay : '[Yesterday]',
sameDay : '[Today]',
nextDay : '[Tomorrow]',
lastWeek : '[last] dddd',
nextWeek : 'dddd',
sameElse : 'L'
}
});
mobj = moment(value.dt*1000)
// skip today
if (t == today) {
return;
}
tempC = parseInt(parseFloat(value.temp.day)-273.15)
tempF = parseInt(tempC*1.8+32)
today = t;
weather_day_loop += 1;
weather_info += '
'
});
global_geo.html(weather_info);
}
});
}
//-->
-
How LED works ⚡ What is a LED (Light Emitting Diode)
Everyone knows LEDs and knows how to use them, but ... how does an LED or light emitting diode work?
Help me make more and better videos!
◉https: //www.patreon.com/bunkermaker
◉https: //www.paypal.me/bunkermaker
My social networks:
◉ Facebook: https://www.facebook.com/3DScienceEP
◉ Intagram: https://www.instagram.com/bunker_maker/
Video references:
◉https://www.ecured.cu/Electrones_de_Valencia
◉https://www.olympus-lifescience.com/zh/microscope-resource/primer/lightandcolor/ledsintro/
◉https://www.lrc.rpi.edu/programs/nlpip/lightinganswers/led/whiteLight.asp
What software do I use?
◉ 3D animations: Blender (https://www.blender.org/)
◉ 2D editing and effects: Premiere Pro CC
published: 30 Jun 2021
-
LED working & advantages | Semiconductors | Physics | Khan Academy
Let's explore how LEDs - light-emitting diodes - work and their advantages over traditional light bulbs.
Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: ht...
published: 12 Dec 2020
-
LEDs - Light Emitting Diodes - Basic Introduction
This electronics video tutorial provides a basic introduction into LEDs also known as light emitting diodes. It discusses the polarity of an LED including how to connect them. The anode is the positive terminal and the cathode is the negative terminal. It discusses topics such as the forward voltage drop of the LED and its relationship to the current flowing in the circuit. It also mentions the luminous intensity of the LED as measured in mcd or millicandela.
What Is a Diode?
https://www.youtube.com/watch?v=g54vURe47gM
Full-Wave Bridge Rectifiers:
https://www.youtube.com/watch?v=EkHch86UXpY
Voltage Multiplier Circuit:
https://www.youtube.com/watch?v=litsAzP4o...
published: 03 Feb 2020
-
How LED Works - Unravel the Mysteries of How LEDs Work!
How do LEDs work?
The first 100 people to use code ENGINEERINGMINDSET at the link below will get 60% off of Incogni:➡️ https://incogni.com/engineeringmindset
In this video, we'll explain LED technology in an easy to understand way. We'll cover the different types of LED lights, the different colors that LEDs can emit, and the different applications for LED technology and how they work.
👉 👉👉 Electronics design software I use ➡️ https://www.altium.com/asp/the-engineering-mindset/
LEDs used
Value pack LED➡️ https://amzn.to/3HiHI8L
3mm Transparent➡️ https://amzn.to/3VczCUV
5mm Transparent➡️ https://amzn.to/3NiXZ15
10mm ➡️ https://amzn.to/3oRSJaI
Bi-directional ➡️ https://amzn.to/449ww8e
Bi-color ➡️ https://amzn.to/3LBtFNY
Blinking LED ➡️ https://amzn.to/3LB12j1
Color changing ➡️ https://am...
published: 30 Apr 2023
-
Why It Was Almost Impossible to Make the Blue LED
The blue LED was supposed to be impossible—until a young engineer proposed a moonshot idea. Head to https://brilliant.org/veritasium to start your free 30-day trial, and the first 200 people get 20% off an annual premium subscription.
Special thanks to our Patreon supporters! Join this list to help us keep our videos free, forever:
https://ve42.co/PatreonDEB
Huge thanks to the UC Santa Barbara Materials Dept (https://ssleec.ucsb.edu/) for taking us around.
Thanks to Álvaro Bermejillo Seco for reviewing the science.
Thanks to these especially helpful sources:
Nobel Prize Biography - Shuji Nakamura - https://ve42.co/NakamuraNobel
Johnstone, B. (2015). Brilliant!. Prometheus Books. - https://ve42.co/Johnstone2015
Nakamura, S., Pearton, S., & Fasol, G. (2010). The Blue Laser Diode: The Co...
published: 08 Feb 2024
-
How does an LED work at the molecular AND practical level? | Intermediate Electronics
Even though LED's are everywhere, there's still the question - how do LED's actually work?
Like... deep down on a molecular level? Well, we go over how these amazing LEDs work by discussing how the electrons lose energy, emit photons, and how scientists and engineers get specific colors. We also go over the way the semiconductor material is packaged into something that we can use. The written tutorial is also available on CircuitBread here - https://www.circuitbread.com/tutorials/how-does-an-led-work
If you find this interesting, subscribe to the CircuitBread channel for more videos on intermediate electronics!
The LED wavelength, color, and material table can be found here: https://www.circuitbread.com/tools/led-colors-and-materials-chart
Table of Contents:
0:00 Introduction
0:17...
published: 18 Sep 2019
-
What is LED Light Emitting Diode | How Does LED Works | Electronic Devices & Circuits | Engineering
What is LED Light Emitting Diode, How does LED works, Electronic Devices & Circuits, Engineering
.......
Our Mantra:
Information is Opportunity.
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Be Informed - Be Powerful!
SUPPORT US:
SUBSCRIBE / LIKE / SHARE / COMMENT :)
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published: 14 Jul 2018
-
LED - Light-Emitting Diode - Explained and animated 3d
LED - Light-Emitting Diode - Explained and animated 3d
A light-emitting diode (LED) is a two-lead semiconductor light source. It is a p–n junction diode that emits light when activated.When a suitable voltage is applied to the leads, electrons are able to recombine with electron holes within the device, releasing energy in the form of photons. This effect is called electroluminescence, and the color of the light (corresponding to the energy of the photon) is determined by the energy band gap of the semiconductor. LEDs are typically small (less than 1 mm2) and integrated optical components may be used to shape the radiation pattern.
published: 23 Jul 2017
-
How does an LED work
If you like building #electronics projects with #Arduino you've probably used an LED. Ever wondered what's inside an LED and how it produces light? Watch this to find out.
Want to learn more?
Our website: https://stembasics.academy
published: 24 Jan 2017
-
Light Emitting Diode (LED) Working Principle
A SIMPLE explanation of Light Emitting Diodes (LEDs). We go over the working of LEDs, how LED lights work – plus an LED working principle animation. You can learn more about how LEDs work here: https://www.electrical4u.com/working-principle-of-light-emitting-diode/
An easy explanation for LED Class 12 Physics.
Comment below with any additional questions you have. If you enjoyed this video and want to see more like it, please LIKE and SUBSCRIBE to our Youtube channel.
published: 09 Jul 2016
8:37
How LED works ⚡ What is a LED (Light Emitting Diode)
Everyone knows LEDs and knows how to use them, but ... how does an LED or light emitting diode work?
Help me make more and better videos!
◉https: //www.patreon...
Everyone knows LEDs and knows how to use them, but ... how does an LED or light emitting diode work?
Help me make more and better videos!
◉https: //www.patreon.com/bunkermaker
◉https: //www.paypal.me/bunkermaker
My social networks:
◉ Facebook: https://www.facebook.com/3DScienceEP
◉ Intagram: https://www.instagram.com/bunker_maker/
Video references:
◉https://www.ecured.cu/Electrones_de_Valencia
◉https://www.olympus-lifescience.com/zh/microscope-resource/primer/lightandcolor/ledsintro/
◉https://www.lrc.rpi.edu/programs/nlpip/lightinganswers/led/whiteLight.asp
What software do I use?
◉ 3D animations: Blender (https://www.blender.org/)
◉ 2D editing and effects: Premiere Pro CC
https://wn.com/How_Led_Works_⚡_What_Is_A_Led_(Light_Emitting_Diode)
Everyone knows LEDs and knows how to use them, but ... how does an LED or light emitting diode work?
Help me make more and better videos!
◉https: //www.patreon.com/bunkermaker
◉https: //www.paypal.me/bunkermaker
My social networks:
◉ Facebook: https://www.facebook.com/3DScienceEP
◉ Intagram: https://www.instagram.com/bunker_maker/
Video references:
◉https://www.ecured.cu/Electrones_de_Valencia
◉https://www.olympus-lifescience.com/zh/microscope-resource/primer/lightandcolor/ledsintro/
◉https://www.lrc.rpi.edu/programs/nlpip/lightinganswers/led/whiteLight.asp
What software do I use?
◉ 3D animations: Blender (https://www.blender.org/)
◉ 2D editing and effects: Premiere Pro CC
- published: 30 Jun 2021
- views: 1622763
7:47
LED working & advantages | Semiconductors | Physics | Khan Academy
Let's explore how LEDs - light-emitting diodes - work and their advantages over traditional light bulbs.
Khan Academy is a nonprofit organization with the mis...
Let's explore how LEDs - light-emitting diodes - work and their advantages over traditional light bulbs.
Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Mahesh Shenoy
https://wn.com/Led_Working_Advantages_|_Semiconductors_|_Physics_|_Khan_Academy
Let's explore how LEDs - light-emitting diodes - work and their advantages over traditional light bulbs.
Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Mahesh Shenoy
- published: 12 Dec 2020
- views: 142439
10:27
LEDs - Light Emitting Diodes - Basic Introduction
This electronics video tutorial provides a basic introduction into LEDs also known as light emitting diodes. It discusses the polarity of an LED including how ...
This electronics video tutorial provides a basic introduction into LEDs also known as light emitting diodes. It discusses the polarity of an LED including how to connect them. The anode is the positive terminal and the cathode is the negative terminal. It discusses topics such as the forward voltage drop of the LED and its relationship to the current flowing in the circuit. It also mentions the luminous intensity of the LED as measured in mcd or millicandela.
What Is a Diode?
https://www.youtube.com/watch?v=g54vURe47gM
Full-Wave Bridge Rectifiers:
https://www.youtube.com/watch?v=EkHch86UXpY
Voltage Multiplier Circuit:
https://www.youtube.com/watch?v=litsAzP4oqw
Light Emitting Diodes:
https://www.youtube.com/watch?v=Hl4v1aUFWrs
Power Dissipation In LEDs & Diodes:
https://www.youtube.com/watch?v=zILtv-Yll-0
LED Resistor Value:
https://www.youtube.com/watch?v=QJlzTaTU7LY
________________________________
Potentiometers - Variable Resistance:
https://www.youtube.com/watch?v=XuBx9eQYscU
LED Dimmer Circuit:
https://www.youtube.com/watch?v=MrfsknY4Wa8
Thermistors - Temperature Sensors:
https://www.youtube.com/watch?v=nXmkkyw8v5A
Zener Diodes:
https://www.youtube.com/watch?v=mmiHX_IzvDw
Voltage Regulators - Zener Diodes:
https://www.youtube.com/watch?v=iomZgZYN3WY
Zener Diode Solar Cell:
https://www.youtube.com/watch?v=Bb9naEtaQpw
________________________________
Power Zener Diodes - Voltage Regulation:
https://www.youtube.com/watch?v=j3i6fEtbUFM
12V LED Battery Level Indicator:
https://www.youtube.com/watch?v=XvkRbxpsNIU
Reverse Polarity Circuit Protection:
https://www.youtube.com/watch?v=Atl3cv3XRqo
High Voltage Surge Protection Circuit:
https://www.youtube.com/watch?v=4wJjbIm_qr8
AC DC Polarity Tester Circuit:
https://www.youtube.com/watch?v=pgSIOYRFEwY
_______________________________
DC to AC Reverse Polarity Circuit:
https://www.youtube.com/watch?v=zYg5KtIoSzY
Varactor Diodes - Voltage Capacitors:
https://www.youtube.com/watch?v=aXuM3eW1fcQ
Final Exams and Video Playlists:
https://www.video-tutor.net/
Full-Length Videos and Worksheets:
https://www.patreon.com/MathScienceTutor/collections
_______________________________________________________________________________________________
LED Assortment Kit: https://amzn.to/3wG4C1q
Disclaimer: Some of the links associated with this video may generate affiliate commissions on my behalf. As an amazon associate, I earn from qualifying purchases that you may make through such affiliate links.
https://wn.com/Leds_Light_Emitting_Diodes_Basic_Introduction
This electronics video tutorial provides a basic introduction into LEDs also known as light emitting diodes. It discusses the polarity of an LED including how to connect them. The anode is the positive terminal and the cathode is the negative terminal. It discusses topics such as the forward voltage drop of the LED and its relationship to the current flowing in the circuit. It also mentions the luminous intensity of the LED as measured in mcd or millicandela.
What Is a Diode?
https://www.youtube.com/watch?v=g54vURe47gM
Full-Wave Bridge Rectifiers:
https://www.youtube.com/watch?v=EkHch86UXpY
Voltage Multiplier Circuit:
https://www.youtube.com/watch?v=litsAzP4oqw
Light Emitting Diodes:
https://www.youtube.com/watch?v=Hl4v1aUFWrs
Power Dissipation In LEDs & Diodes:
https://www.youtube.com/watch?v=zILtv-Yll-0
LED Resistor Value:
https://www.youtube.com/watch?v=QJlzTaTU7LY
________________________________
Potentiometers - Variable Resistance:
https://www.youtube.com/watch?v=XuBx9eQYscU
LED Dimmer Circuit:
https://www.youtube.com/watch?v=MrfsknY4Wa8
Thermistors - Temperature Sensors:
https://www.youtube.com/watch?v=nXmkkyw8v5A
Zener Diodes:
https://www.youtube.com/watch?v=mmiHX_IzvDw
Voltage Regulators - Zener Diodes:
https://www.youtube.com/watch?v=iomZgZYN3WY
Zener Diode Solar Cell:
https://www.youtube.com/watch?v=Bb9naEtaQpw
________________________________
Power Zener Diodes - Voltage Regulation:
https://www.youtube.com/watch?v=j3i6fEtbUFM
12V LED Battery Level Indicator:
https://www.youtube.com/watch?v=XvkRbxpsNIU
Reverse Polarity Circuit Protection:
https://www.youtube.com/watch?v=Atl3cv3XRqo
High Voltage Surge Protection Circuit:
https://www.youtube.com/watch?v=4wJjbIm_qr8
AC DC Polarity Tester Circuit:
https://www.youtube.com/watch?v=pgSIOYRFEwY
_______________________________
DC to AC Reverse Polarity Circuit:
https://www.youtube.com/watch?v=zYg5KtIoSzY
Varactor Diodes - Voltage Capacitors:
https://www.youtube.com/watch?v=aXuM3eW1fcQ
Final Exams and Video Playlists:
https://www.video-tutor.net/
Full-Length Videos and Worksheets:
https://www.patreon.com/MathScienceTutor/collections
_______________________________________________________________________________________________
LED Assortment Kit: https://amzn.to/3wG4C1q
Disclaimer: Some of the links associated with this video may generate affiliate commissions on my behalf. As an amazon associate, I earn from qualifying purchases that you may make through such affiliate links.
- published: 03 Feb 2020
- views: 49414
19:06
How LED Works - Unravel the Mysteries of How LEDs Work!
How do LEDs work?
The first 100 people to use code ENGINEERINGMINDSET at the link below will get 60% off of Incogni:➡️ https://incogni.com/engineeringmindset
I...
How do LEDs work?
The first 100 people to use code ENGINEERINGMINDSET at the link below will get 60% off of Incogni:➡️ https://incogni.com/engineeringmindset
In this video, we'll explain LED technology in an easy to understand way. We'll cover the different types of LED lights, the different colors that LEDs can emit, and the different applications for LED technology and how they work.
👉 👉👉 Electronics design software I use ➡️ https://www.altium.com/asp/the-engineering-mindset/
LEDs used
Value pack LED➡️ https://amzn.to/3HiHI8L
3mm Transparent➡️ https://amzn.to/3VczCUV
5mm Transparent➡️ https://amzn.to/3NiXZ15
10mm ➡️ https://amzn.to/3oRSJaI
Bi-directional ➡️ https://amzn.to/449ww8e
Bi-color ➡️ https://amzn.to/3LBtFNY
Blinking LED ➡️ https://amzn.to/3LB12j1
Color changing ➡️ https://amzn.to/40OVBCD
RGB ➡️https://amzn.to/3oJ7dtg
SMD LED ➡️ https://amzn.to/449I8rR
Resistors ➡️ https://amzn.to/44fM9v0
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⚡ELECTRICAL ENGINEERING⚡
👉How electricity works: https://youtu.be/mc979OhitAg
👉Three Phase Electricity: https://youtu.be/4oRT7PoXSS0
👉How Inverters work: https://youtu.be/ln9VZIL8rVs
👉How TRANSFORMER works: https://youtu.be/UchitHGF4n8
👉How 3 Phase electricity works: https://youtu.be/4oRT7PoXSS0
👉How Induction motor works: https://youtu.be/N7TZ4gm3aUg
👉What is a KWH: https://youtu.be/SMPhh8gT_1E
👉How induction motor works: https://youtu.be/N7TZ4gm3aUg
❄️ CHILLER ENGINEERING ❄️
👉Chiller Efficiency improvements: https://youtu.be/8x3MiO5XjhY
👉Chilled water schematics: https://youtu.be/ak51DHAiuWo
👉Chiller crash course: https://youtu.be/K0xAKzdROEg
👉Chiller types: https://youtu.be/gYcNDT1d30k
👉Chillers/AHU/RTU: https://youtu.be/UmWWZdJR1hQ
👉Water cooled chiller Part1: https://youtu.be/0rzQhSXVq60
👉Water cooled chiller Part2: https://youtu.be/3ZpE3vCjNqM
👉Water cooled chiller advanced: https://youtu.be/QlKSGDgqGF0
👉Air cooled chiller: https://youtu.be/0R84hLprO5s
👉Absorption Chiller : https://youtu.be/Ic5a9E2ykjo
👉Chiller/Cooling tower/AHU: https://youtu.be/1cvFlBLo4u0
👉Chiller flow rate: https://youtu.be/tA1_V6-dThM
👉Chiller fault troubleshooting: https://youtu.be/Zu0LVVNNVSw
👉Chiller COP calculation: https://youtu.be/h5ILlZ8nyHE
👉Chiller cooling capacity calcs: https://youtu.be/BZxXIdxVKeY
👉Chiller compressors: https://youtu.be/7Bah__spkTY
👉Chiller expansion valve: https://youtu.be/dXiV5YzTZQ4
👉Chiller surge: https://youtu.be/DQK_-vxObiw
👉Chiller condenser: https://youtu.be/p5uuPsyqnwU
👉Chiller evaporator: https://youtu.be/W3w7FpX9j9k
👉Chiller compressor centrifugal: https://youtu.be/PT0UIqAGacg
👉Chiller cooling capacity: https://youtu.be/f-N4isgQRGQ
🌡️ HVAC ENGINEERING 🌡️
👉HVAC Basics: https://youtu.be/klggop60vlM
👉Boilers/AHU/FCU: https://youtu.be/lDeuIQ4VeWk
👉How Heat Pump works: https://youtu.be/G53tTKoakcY
👉Heat pumps advanced: https://youtu.be/G53tTKoakcY
👉Fan Coil Units: https://youtu.be/MqM-U8bftCI
👉VAV Systems: https://youtu.be/HBmOyeWtpHg
👉CAV Systems: https://youtu.be/XgQ3v6lvoZQ
👉VRF Units: https://youtu.be/hzFOCuAho_4
👉Cooling load calculations: https://youtu.be/0gv2tJf7nwo
👉Pulley belt calculations: https://youtu.be/yxCBhD9nguw
👉Pump calculations: https://youtu.be/99vikjRrlgo
👉Fan and motor calculations: https://youtu.be/rl-HQRzL-kg
👉HVAC Cooling coils: https://youtu.be/oSs-4Ptcfhk
👉Cooling towers: https://youtu.be/UzHJWNL2OtM
⚗️ REFRIGERATION SYSTEMS 🌡️
👉How refrigerants work: https://youtu.be/lMqoKLli0Y4
👉Thermal expansion valves: https://youtu.be/oSLOHCOw3yg
👉Refrigeration design software: https://youtu.be/QqP5aY6liAg
👉Design refrigeration system: https://youtu.be/TPabv9iDENc
👉Reversing valve: https://youtu.be/r8n1_6qmsKQ
👉How A/C units work: https://youtu.be/Uv3GfEQhtPE
⚗️ REFRIGERANTS ⚗️
👉Refrierant retrofit guide: https://youtu.be/1OqgLcU2buQ
👉Refrigerant types, future: https://youtu.be/J77a0keM2Yk
👉How refrigerants work: https://youtu.be/lMqoKLli0Y4
🔥➡️❄️ HEAT EXCHANGERS 🔥➡️❄️
👉Plate Heat Exchangers: https://youtu.be/br3gkrXTmdY
👉Micro plate heat exchanger: https://youtu.be/xrsbujk4u6k
power electronics, electron hole, advantages of the led, smd led, kicad
#electronics #engineering #learning
https://wn.com/How_Led_Works_Unravel_The_Mysteries_Of_How_Leds_Work
How do LEDs work?
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⚡ELECTRICAL ENGINEERING⚡
👉How electricity works: https://youtu.be/mc979OhitAg
👉Three Phase Electricity: https://youtu.be/4oRT7PoXSS0
👉How Inverters work: https://youtu.be/ln9VZIL8rVs
👉How TRANSFORMER works: https://youtu.be/UchitHGF4n8
👉How 3 Phase electricity works: https://youtu.be/4oRT7PoXSS0
👉How Induction motor works: https://youtu.be/N7TZ4gm3aUg
👉What is a KWH: https://youtu.be/SMPhh8gT_1E
👉How induction motor works: https://youtu.be/N7TZ4gm3aUg
❄️ CHILLER ENGINEERING ❄️
👉Chiller Efficiency improvements: https://youtu.be/8x3MiO5XjhY
👉Chilled water schematics: https://youtu.be/ak51DHAiuWo
👉Chiller crash course: https://youtu.be/K0xAKzdROEg
👉Chiller types: https://youtu.be/gYcNDT1d30k
👉Chillers/AHU/RTU: https://youtu.be/UmWWZdJR1hQ
👉Water cooled chiller Part1: https://youtu.be/0rzQhSXVq60
👉Water cooled chiller Part2: https://youtu.be/3ZpE3vCjNqM
👉Water cooled chiller advanced: https://youtu.be/QlKSGDgqGF0
👉Air cooled chiller: https://youtu.be/0R84hLprO5s
👉Absorption Chiller : https://youtu.be/Ic5a9E2ykjo
👉Chiller/Cooling tower/AHU: https://youtu.be/1cvFlBLo4u0
👉Chiller flow rate: https://youtu.be/tA1_V6-dThM
👉Chiller fault troubleshooting: https://youtu.be/Zu0LVVNNVSw
👉Chiller COP calculation: https://youtu.be/h5ILlZ8nyHE
👉Chiller cooling capacity calcs: https://youtu.be/BZxXIdxVKeY
👉Chiller compressors: https://youtu.be/7Bah__spkTY
👉Chiller expansion valve: https://youtu.be/dXiV5YzTZQ4
👉Chiller surge: https://youtu.be/DQK_-vxObiw
👉Chiller condenser: https://youtu.be/p5uuPsyqnwU
👉Chiller evaporator: https://youtu.be/W3w7FpX9j9k
👉Chiller compressor centrifugal: https://youtu.be/PT0UIqAGacg
👉Chiller cooling capacity: https://youtu.be/f-N4isgQRGQ
🌡️ HVAC ENGINEERING 🌡️
👉HVAC Basics: https://youtu.be/klggop60vlM
👉Boilers/AHU/FCU: https://youtu.be/lDeuIQ4VeWk
👉How Heat Pump works: https://youtu.be/G53tTKoakcY
👉Heat pumps advanced: https://youtu.be/G53tTKoakcY
👉Fan Coil Units: https://youtu.be/MqM-U8bftCI
👉VAV Systems: https://youtu.be/HBmOyeWtpHg
👉CAV Systems: https://youtu.be/XgQ3v6lvoZQ
👉VRF Units: https://youtu.be/hzFOCuAho_4
👉Cooling load calculations: https://youtu.be/0gv2tJf7nwo
👉Pulley belt calculations: https://youtu.be/yxCBhD9nguw
👉Pump calculations: https://youtu.be/99vikjRrlgo
👉Fan and motor calculations: https://youtu.be/rl-HQRzL-kg
👉HVAC Cooling coils: https://youtu.be/oSs-4Ptcfhk
👉Cooling towers: https://youtu.be/UzHJWNL2OtM
⚗️ REFRIGERATION SYSTEMS 🌡️
👉How refrigerants work: https://youtu.be/lMqoKLli0Y4
👉Thermal expansion valves: https://youtu.be/oSLOHCOw3yg
👉Refrigeration design software: https://youtu.be/QqP5aY6liAg
👉Design refrigeration system: https://youtu.be/TPabv9iDENc
👉Reversing valve: https://youtu.be/r8n1_6qmsKQ
👉How A/C units work: https://youtu.be/Uv3GfEQhtPE
⚗️ REFRIGERANTS ⚗️
👉Refrierant retrofit guide: https://youtu.be/1OqgLcU2buQ
👉Refrigerant types, future: https://youtu.be/J77a0keM2Yk
👉How refrigerants work: https://youtu.be/lMqoKLli0Y4
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👉Plate Heat Exchangers: https://youtu.be/br3gkrXTmdY
👉Micro plate heat exchanger: https://youtu.be/xrsbujk4u6k
power electronics, electron hole, advantages of the led, smd led, kicad
#electronics #engineering #learning
- published: 30 Apr 2023
- views: 1125913
33:45
Why It Was Almost Impossible to Make the Blue LED
The blue LED was supposed to be impossible—until a young engineer proposed a moonshot idea. Head to https://brilliant.org/veritasium to start your free 30-day t...
The blue LED was supposed to be impossible—until a young engineer proposed a moonshot idea. Head to https://brilliant.org/veritasium to start your free 30-day trial, and the first 200 people get 20% off an annual premium subscription.
Special thanks to our Patreon supporters! Join this list to help us keep our videos free, forever:
https://ve42.co/PatreonDEB
Huge thanks to the UC Santa Barbara Materials Dept (https://ssleec.ucsb.edu/) for taking us around.
Thanks to Álvaro Bermejillo Seco for reviewing the science.
Thanks to these especially helpful sources:
Nobel Prize Biography - Shuji Nakamura - https://ve42.co/NakamuraNobel
Johnstone, B. (2015). Brilliant!. Prometheus Books. - https://ve42.co/Johnstone2015
Nakamura, S., Pearton, S., & Fasol, G. (2010). The Blue Laser Diode: The Complete Story. Springer. - https://ve42.co/Nakamura2010
▀▀▀
References:
https://www.youtube.com/watch?v=O8M2z2hIbag
https://www.youtube.com/watch?v=TGUteH93xNo
https://www.youtube.com/watch?v=idwKHQEw78g
https://www.youtube.com/watch?v=yoTALRhAqWc
Touchstone, L. A. (2022). Nick Holonyak Jr. University of Illinois. - https://ve42.co/Touchstone2022
Perry, T. S. (1995). The Unsung Inventor. IEEE Spectrum. - https://ve42.co/Perry1995
Chabay, R. & Sherwood, B. (2011). Matter & interactions (4th ed.), S2: Semiconductors. Wiley. - https://ve42.co/ChabaySherwood
How MOCVD Works via Aixtron - https://ve42.co/MOCVD
Vangala, S. R., et al. (2019). Epitaxial growth of ZnSe on GaAs. Journal of Crystal Growth. - https://ve42.co/Vangala2019
Nakamura, S. (1991). GaN Growth Using GaN Buffer Layer. JJAP. - https://ve42.co/Nakamura3rd1991
Amano, H., et al. (1989). P-Type Conduction in Mg-Doped GaN w/ LEEBI. JJAP. - https://ve42.co/Amano1989
Huang, M., et al. (2021). Defects in Mg–H‐Codoped GaN. Physica Status Solidi. - https://ve42.co/Huang2021
Schubert, E. F. (2006). Light Emitting Diodes, Ch 4: LED basics. Cambridge University Press. - https://ve42.co/RPI-LEDs
Kitada, C. (2001). Blue About Japan. Japan Inc. - https://ve42.co/Kitada2001
Whitaker, T. (2002). Nakamura loses Nichia patent battle. Optics.org. - https://ve42.co/NichiaSales3
Pirates Osaka. (2014). Nakamura awarded Nobel Prize in Physics. Hatena Blog. - https://ve42.co/NichiaSales1
Growth Bozu via Twitter. - https://ve42.co/NichiaSales2
Rose, J. (2014). Blue LEDs – Filling the world with new light. The Royal Swedish Academy of Sciences. - https://ve42.co/Rose2014
Pattison, P. M., et al. (2017). LED lighting efficacy. Comptes Rendus Physique. - https://ve42.co/Pattison2017
Electricity pricing via EIA - https://ve42.co/ElectricityPricing
Lane, K., et al. (2023). Lighting. IEA. - https://ve42.co/LightingIEA
LED Footprint via The Climate Group - https://ve42.co/ClimateGroupLED
Nichia’s History via Nichia - https://ve42.co/NichiaHistory
Shuji Nakamura via Wikipedia - https://ve42.co/NakamuraWiki
Images & Video:
Lighting the World via UCTVInsight on YouTube - https://ve42.co/UCTVep2 & https://ve42.co/UCTVep3
Palo Alto Times 1971 Article via Newspapers.com - https://ve42.co/Newspapers
Nick Holonyak, Jr. and the LED via UIUC on YouTube - https://ve42.co/HolonyakIllinois
The Original Blue LED via Science History Institute on YouTube - https://ve42.co/OGBlueLED
Maxfield, M. (2022). Compound Semiconductors. EE Journal. - https://ve42.co/Maxfield2022
M. Stutzmann, et al. (2001). Playing with Polarity. pss (b). - https://ve42.co/Stutzman2001
Isamu Akasaki in 1995 via Andrey Nikolaev on YouTube - https://ve42.co/AsakiNikolaev
Pioneer TX-610 Stereo Tuner via Ian Marino on YouTube - https://ve42.co/StereoMarino
Shuji Nakamura via EPO on YouTube - https://ve42.co/NakamuraEPO
Nichia Campus via Nichia on LinkedIn - https://ve42.co/NichiaHQ
Nichia via TDElektronik on YouTube - https://ve42.co/NichiaTDE
Violeds Sterilization of COVID-19 via Seoul Viosys - https://ve42.co/SterilizationUV
▀▀▀
Special thanks to our Patreon supporters:
Chris Harper, Max Paladino, Balkrishna Heroor, Adam Foreman, Orlando Bassotto, Tj Steyn, meg noah, KeyWestr, TTST, John H. Austin, Jr., john kiehl, Anton Ragin, Diffbot, Gnare, Dave Kircher, Burt Humburg, Blake Byers, Evgeny Skvortsov, Meekay, Bill Linder, Paul Peijzel, Josh Hibschman, Juan Benet, David Johnston, Ubiquity Ventures, Richard Sundvall, Lee Redden, Stephen Wilcox, Marinus Kuivenhoven, Michael Krugman, Sam Lutfi
▀▀▀
Directed by Emily Zhang
Written by Emily Zhang, Ricky Nathvani, and Derek Muller
Edited by Trenton Oliver
Illustrated by Jakub Misiek
Animated by Fabio Albertelli, Mike Radjabov, David Szakaly, Ivy Tello, and Alondra Vitae
Filmed by Derek Muller, Raquel Nuno, and Trenton Oliver
Additional research by Gregor Čavlović
Produced by Emily Zhang, Han Evans, Gregor Čavlović, and Derek Muller
Thumbnail by Ren Hurley
Additional video/photos supplied by Getty Images and Pond5
Music from Epidemic Sound
https://wn.com/Why_It_Was_Almost_Impossible_To_Make_The_Blue_Led
The blue LED was supposed to be impossible—until a young engineer proposed a moonshot idea. Head to https://brilliant.org/veritasium to start your free 30-day trial, and the first 200 people get 20% off an annual premium subscription.
Special thanks to our Patreon supporters! Join this list to help us keep our videos free, forever:
https://ve42.co/PatreonDEB
Huge thanks to the UC Santa Barbara Materials Dept (https://ssleec.ucsb.edu/) for taking us around.
Thanks to Álvaro Bermejillo Seco for reviewing the science.
Thanks to these especially helpful sources:
Nobel Prize Biography - Shuji Nakamura - https://ve42.co/NakamuraNobel
Johnstone, B. (2015). Brilliant!. Prometheus Books. - https://ve42.co/Johnstone2015
Nakamura, S., Pearton, S., & Fasol, G. (2010). The Blue Laser Diode: The Complete Story. Springer. - https://ve42.co/Nakamura2010
▀▀▀
References:
https://www.youtube.com/watch?v=O8M2z2hIbag
https://www.youtube.com/watch?v=TGUteH93xNo
https://www.youtube.com/watch?v=idwKHQEw78g
https://www.youtube.com/watch?v=yoTALRhAqWc
Touchstone, L. A. (2022). Nick Holonyak Jr. University of Illinois. - https://ve42.co/Touchstone2022
Perry, T. S. (1995). The Unsung Inventor. IEEE Spectrum. - https://ve42.co/Perry1995
Chabay, R. & Sherwood, B. (2011). Matter & interactions (4th ed.), S2: Semiconductors. Wiley. - https://ve42.co/ChabaySherwood
How MOCVD Works via Aixtron - https://ve42.co/MOCVD
Vangala, S. R., et al. (2019). Epitaxial growth of ZnSe on GaAs. Journal of Crystal Growth. - https://ve42.co/Vangala2019
Nakamura, S. (1991). GaN Growth Using GaN Buffer Layer. JJAP. - https://ve42.co/Nakamura3rd1991
Amano, H., et al. (1989). P-Type Conduction in Mg-Doped GaN w/ LEEBI. JJAP. - https://ve42.co/Amano1989
Huang, M., et al. (2021). Defects in Mg–H‐Codoped GaN. Physica Status Solidi. - https://ve42.co/Huang2021
Schubert, E. F. (2006). Light Emitting Diodes, Ch 4: LED basics. Cambridge University Press. - https://ve42.co/RPI-LEDs
Kitada, C. (2001). Blue About Japan. Japan Inc. - https://ve42.co/Kitada2001
Whitaker, T. (2002). Nakamura loses Nichia patent battle. Optics.org. - https://ve42.co/NichiaSales3
Pirates Osaka. (2014). Nakamura awarded Nobel Prize in Physics. Hatena Blog. - https://ve42.co/NichiaSales1
Growth Bozu via Twitter. - https://ve42.co/NichiaSales2
Rose, J. (2014). Blue LEDs – Filling the world with new light. The Royal Swedish Academy of Sciences. - https://ve42.co/Rose2014
Pattison, P. M., et al. (2017). LED lighting efficacy. Comptes Rendus Physique. - https://ve42.co/Pattison2017
Electricity pricing via EIA - https://ve42.co/ElectricityPricing
Lane, K., et al. (2023). Lighting. IEA. - https://ve42.co/LightingIEA
LED Footprint via The Climate Group - https://ve42.co/ClimateGroupLED
Nichia’s History via Nichia - https://ve42.co/NichiaHistory
Shuji Nakamura via Wikipedia - https://ve42.co/NakamuraWiki
Images & Video:
Lighting the World via UCTVInsight on YouTube - https://ve42.co/UCTVep2 & https://ve42.co/UCTVep3
Palo Alto Times 1971 Article via Newspapers.com - https://ve42.co/Newspapers
Nick Holonyak, Jr. and the LED via UIUC on YouTube - https://ve42.co/HolonyakIllinois
The Original Blue LED via Science History Institute on YouTube - https://ve42.co/OGBlueLED
Maxfield, M. (2022). Compound Semiconductors. EE Journal. - https://ve42.co/Maxfield2022
M. Stutzmann, et al. (2001). Playing with Polarity. pss (b). - https://ve42.co/Stutzman2001
Isamu Akasaki in 1995 via Andrey Nikolaev on YouTube - https://ve42.co/AsakiNikolaev
Pioneer TX-610 Stereo Tuner via Ian Marino on YouTube - https://ve42.co/StereoMarino
Shuji Nakamura via EPO on YouTube - https://ve42.co/NakamuraEPO
Nichia Campus via Nichia on LinkedIn - https://ve42.co/NichiaHQ
Nichia via TDElektronik on YouTube - https://ve42.co/NichiaTDE
Violeds Sterilization of COVID-19 via Seoul Viosys - https://ve42.co/SterilizationUV
▀▀▀
Special thanks to our Patreon supporters:
Chris Harper, Max Paladino, Balkrishna Heroor, Adam Foreman, Orlando Bassotto, Tj Steyn, meg noah, KeyWestr, TTST, John H. Austin, Jr., john kiehl, Anton Ragin, Diffbot, Gnare, Dave Kircher, Burt Humburg, Blake Byers, Evgeny Skvortsov, Meekay, Bill Linder, Paul Peijzel, Josh Hibschman, Juan Benet, David Johnston, Ubiquity Ventures, Richard Sundvall, Lee Redden, Stephen Wilcox, Marinus Kuivenhoven, Michael Krugman, Sam Lutfi
▀▀▀
Directed by Emily Zhang
Written by Emily Zhang, Ricky Nathvani, and Derek Muller
Edited by Trenton Oliver
Illustrated by Jakub Misiek
Animated by Fabio Albertelli, Mike Radjabov, David Szakaly, Ivy Tello, and Alondra Vitae
Filmed by Derek Muller, Raquel Nuno, and Trenton Oliver
Additional research by Gregor Čavlović
Produced by Emily Zhang, Han Evans, Gregor Čavlović, and Derek Muller
Thumbnail by Ren Hurley
Additional video/photos supplied by Getty Images and Pond5
Music from Epidemic Sound
- published: 08 Feb 2024
- views: 24783246
4:15
How does an LED work at the molecular AND practical level? | Intermediate Electronics
Even though LED's are everywhere, there's still the question - how do LED's actually work?
Like... deep down on a molecular level? Well, we go over how these...
Even though LED's are everywhere, there's still the question - how do LED's actually work?
Like... deep down on a molecular level? Well, we go over how these amazing LEDs work by discussing how the electrons lose energy, emit photons, and how scientists and engineers get specific colors. We also go over the way the semiconductor material is packaged into something that we can use. The written tutorial is also available on CircuitBread here - https://www.circuitbread.com/tutorials/how-does-an-led-work
If you find this interesting, subscribe to the CircuitBread channel for more videos on intermediate electronics!
The LED wavelength, color, and material table can be found here: https://www.circuitbread.com/tools/led-colors-and-materials-chart
Table of Contents:
0:00 Introduction
0:17 How an LED is basically a diode
1:04 Forward biasing an LED
1:17 How electrons cross the PN junction, lose energy, and create photons
1:45 What an LED band diagram looks like when forward biased
2:15 How we get different colors from LEDs
2:25 A table showing the relationship between colors, wavelengths, and materials
3:02 Physical implementation from the semiconductor into a 5mm LED
3:42 Summary
For electronics tools, tutorials, equations and more check out our site: https://www.circuitbread.com
And check out our Friends of CircuitBread, who offer special discounts, product samples, resources and more to our users: https://www.circuitbread.com/friends
CircuitBread is joining the fight to help people more easily learn about and use electronics. With an ever-growing array of equations, tools, and tutorials, we're striving for the best ways to make electronics and electrical engineering topics more accessible to everyone.
☕️ Buy Me A Coffee ➤ https://www.buymeacoffee.com/circuitbread
CircuitBread is and always will be free to its users but we’ll gladly accept any monetary appreciation you may send our way!
Connect with CircuitBread:
Instagram ➤ http://instagram.com/circuitbread
Facebook ➤ https://www.facebook.com/circuitbread
Twitter ➤ http://twitter.com/circuitbread
https://wn.com/How_Does_An_Led_Work_At_The_Molecular_And_Practical_Level_|_Intermediate_Electronics
Even though LED's are everywhere, there's still the question - how do LED's actually work?
Like... deep down on a molecular level? Well, we go over how these amazing LEDs work by discussing how the electrons lose energy, emit photons, and how scientists and engineers get specific colors. We also go over the way the semiconductor material is packaged into something that we can use. The written tutorial is also available on CircuitBread here - https://www.circuitbread.com/tutorials/how-does-an-led-work
If you find this interesting, subscribe to the CircuitBread channel for more videos on intermediate electronics!
The LED wavelength, color, and material table can be found here: https://www.circuitbread.com/tools/led-colors-and-materials-chart
Table of Contents:
0:00 Introduction
0:17 How an LED is basically a diode
1:04 Forward biasing an LED
1:17 How electrons cross the PN junction, lose energy, and create photons
1:45 What an LED band diagram looks like when forward biased
2:15 How we get different colors from LEDs
2:25 A table showing the relationship between colors, wavelengths, and materials
3:02 Physical implementation from the semiconductor into a 5mm LED
3:42 Summary
For electronics tools, tutorials, equations and more check out our site: https://www.circuitbread.com
And check out our Friends of CircuitBread, who offer special discounts, product samples, resources and more to our users: https://www.circuitbread.com/friends
CircuitBread is joining the fight to help people more easily learn about and use electronics. With an ever-growing array of equations, tools, and tutorials, we're striving for the best ways to make electronics and electrical engineering topics more accessible to everyone.
☕️ Buy Me A Coffee ➤ https://www.buymeacoffee.com/circuitbread
CircuitBread is and always will be free to its users but we’ll gladly accept any monetary appreciation you may send our way!
Connect with CircuitBread:
Instagram ➤ http://instagram.com/circuitbread
Facebook ➤ https://www.facebook.com/circuitbread
Twitter ➤ http://twitter.com/circuitbread
- published: 18 Sep 2019
- views: 158183
3:53
What is LED Light Emitting Diode | How Does LED Works | Electronic Devices & Circuits | Engineering
What is LED Light Emitting Diode, How does LED works, Electronic Devices & Circuits, Engineering
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Our Mantra:
Information is Opportunity.
Knowledge is P...
What is LED Light Emitting Diode, How does LED works, Electronic Devices & Circuits, Engineering
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What is LED Light Emitting Diode, How does LED works, Electronic Devices & Circuits, Engineering
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- published: 14 Jul 2018
- views: 73418
1:49
LED - Light-Emitting Diode - Explained and animated 3d
LED - Light-Emitting Diode - Explained and animated 3d
A light-emitting diode (LED) is a two-lead semiconductor light source. It is a p–n junction diode tha...
LED - Light-Emitting Diode - Explained and animated 3d
A light-emitting diode (LED) is a two-lead semiconductor light source. It is a p–n junction diode that emits light when activated.When a suitable voltage is applied to the leads, electrons are able to recombine with electron holes within the device, releasing energy in the form of photons. This effect is called electroluminescence, and the color of the light (corresponding to the energy of the photon) is determined by the energy band gap of the semiconductor. LEDs are typically small (less than 1 mm2) and integrated optical components may be used to shape the radiation pattern.
https://wn.com/Led_Light_Emitting_Diode_Explained_And_Animated_3D
LED - Light-Emitting Diode - Explained and animated 3d
A light-emitting diode (LED) is a two-lead semiconductor light source. It is a p–n junction diode that emits light when activated.When a suitable voltage is applied to the leads, electrons are able to recombine with electron holes within the device, releasing energy in the form of photons. This effect is called electroluminescence, and the color of the light (corresponding to the energy of the photon) is determined by the energy band gap of the semiconductor. LEDs are typically small (less than 1 mm2) and integrated optical components may be used to shape the radiation pattern.
- published: 23 Jul 2017
- views: 96597
1:51
How does an LED work
If you like building #electronics projects with #Arduino you've probably used an LED. Ever wondered what's inside an LED and how it produces light? Watch this t...
If you like building #electronics projects with #Arduino you've probably used an LED. Ever wondered what's inside an LED and how it produces light? Watch this to find out.
Want to learn more?
Our website: https://stembasics.academy
https://wn.com/How_Does_An_Led_Work
If you like building #electronics projects with #Arduino you've probably used an LED. Ever wondered what's inside an LED and how it produces light? Watch this to find out.
Want to learn more?
Our website: https://stembasics.academy
- published: 24 Jan 2017
- views: 123721
6:53
Light Emitting Diode (LED) Working Principle
A SIMPLE explanation of Light Emitting Diodes (LEDs). We go over the working of LEDs, how LED lights work – plus an LED working principle animation. You can le...
A SIMPLE explanation of Light Emitting Diodes (LEDs). We go over the working of LEDs, how LED lights work – plus an LED working principle animation. You can learn more about how LEDs work here: https://www.electrical4u.com/working-principle-of-light-emitting-diode/
An easy explanation for LED Class 12 Physics.
Comment below with any additional questions you have. If you enjoyed this video and want to see more like it, please LIKE and SUBSCRIBE to our Youtube channel.
https://wn.com/Light_Emitting_Diode_(Led)_Working_Principle
A SIMPLE explanation of Light Emitting Diodes (LEDs). We go over the working of LEDs, how LED lights work – plus an LED working principle animation. You can learn more about how LEDs work here: https://www.electrical4u.com/working-principle-of-light-emitting-diode/
An easy explanation for LED Class 12 Physics.
Comment below with any additional questions you have. If you enjoyed this video and want to see more like it, please LIKE and SUBSCRIBE to our Youtube channel.
- published: 09 Jul 2016
- views: 338708