UPDI programmer (jtag2updi) for tinyAVR, megaAVR and AVR-Dx microcontrollers built on ATmega8/88/168/328 based on the design and firmware by ElTangas.

• Project Video: https://youtu.be/OVSLsA9-gF0
• More information and firmware: https://github.com/ElTangas/jtag2updi
• The CH330N can be replaced with a CH340N.