MIDI PEDAL for ALESIS QUADRAVERB GT

This pedal is used to control my GT guitar effect prosessor. It uses program change midi command to communicate with target device. The pedal consist in 8 different switches which can be separately programmed to produce 8 different program change command.

Here below is a picture of midi program change command format

The heart of this device in a microconroller Motorola MC68HC711E9. This chip contains 12 K eprom, 512 bytes eeprom and 512 bytes ram with in. Program is made with assembler.