MIDI Standard Hardware NOTES: 1. Opto-isolator shown is Sharp PC-900. HP 6N138 or other can be used with changes. 2. Gates &qu
6N137 | Hackaday
3V3 Logic on ESP device · Issue #12 · alf45tar/PedalinoMini · GitHub
DIY Midi to Trigger interface? Arduino? - #38 by sebastian - DIY STUFF - Look Mum No Computer Thingies
Using 1N137 for Arduino MIDI In : r/synthdiy
versatile DIY Midi connection boardPractical Usage
MIDI Converter | Details | Hackaday.io
MIDI Input with 6N137, 6N138, or 6N139 — Kieran Reck
Proyectos Arduino / Proyectos ESP32 on Twitter: "Esquemas #Arduino Interface MIDI (6N137), Varios pulsadores usando sólo 1 Input analógico https://t.co/YsMASqrgOJ https://t.co/PF8myED9uR" / Twitter
6N137 | Hackaday
microcontroller - Minimize current consulption for MIDI input circuit? - Electrical Engineering Stack Exchange
Arduino MIDI I/O Board / shaduzLABS
i2C to MIDI on Raspberry PI - General - lines
MIDI Input with 6N137, 6N138, or 6N139 — Kieran Reck
USB MIDI Adapter - Hackster.io
PJRC (Teensy) Forum
Using 1N137 for Arduino MIDI In : r/synthdiy
MIDI Input with 6N137, 6N138, or 6N139 — Kieran Reck
6N137 low output
3V3 Logic on ESP device · Issue #12 · alf45tar/PedalinoMini · GitHub
USB MIDI Adapter - Hackster.io
i2C to MIDI on Raspberry PI - General - lines
MIDI : buffers and such - MOD WIGGLER
