...as an experiment...

• Python >= 3.6
• udp server
• aiohttp
• websockets
• canvas

• Python starts two servers: UDP and HTTP
• Server allocates memory for uint16_t points array
• Server receives UDP datagramms and updating points array
• "sender.py" script sends random points to UDP socket of the server
• Web browser opens page from HTTP server (index.html)
• index.html opens websocket to the server
• Server sends current points every 0.1 second to opened websocket
• index.html draws points on canvas on every server message

On Debian GNU/Linux:

# clone repo and prepare:
git clone https://github.com/xHasKx/web-oscilloscope
cd web-oscilloscope
python3 -m venv env
. env/bin/activate

# install dependencies into prepared virtualenv
pip install -r requirements.txt

# start server:
./server.py

# send random data to server:
./sender.py

Youtube