all in one pcb use H11L1 optocoupler IC its same with 6n138 optocopler
So we can produce an Encoder/MIDI interface to go next to our HDMI monitor with seven connections?
- +3.3V – Pin 1, 17
- +5V – Pin 2, 4
- 0v – Pin 6, 9,14,20,25, 34,39
- SCL – Pin 5
- SDA – Pin3
- INT A – Pin 36
- INT B – Pin 37