Update README.md

rbalykov · Oct 9, 2021 · dbd2540 · dbd2540
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-# neutrino-midi
+# bluepill-midi
 
-USB-MIDI interface with three uart/midi ports.
+USB-MIDI interface with three midi ports.
 (c) 2019, GNU GPL v3.
 
 Built on STM32F103C8 (Blue Pill Board).
@@ -9,7 +9,8 @@ Compiling:
 - git clone
 - make
 - make flash
+- connect UARTs to MIDI optocouplers
 
-Hardware spec:
+Hardware schematics:
 - https://learn.sparkfun.com/tutorials/midi-tutorial/hardware--electronic-implementation
 - https://www.midi.org/specifications/midi-transports-specifications/5-pin-din-electrical-specs