teensy

LEDs controlled by a midi keyboard

The MD25MU0101 is a 25 Pedal, MIDI/USB, Pedalboard. See Psalte.com.It's design utilizes an Arduino Teensy LC Micro-controller, 3 ea. 8 channel multiplexors and 25 Hall effect sensors. The microcontroller code including tests are in the repo.

Teensy 2++ C code to drive LCD displays based on the HD44780 controller Supports both normal and tall font modes, one or two text lines, hardware scrolling and cursor operations, and creating custom characters.