Sept.2018: New software upgrade v79.r14 CHARACTERISTICS. Adaptable to other single-cylinder bikes. Precision (0.5 to 1.5 degree). Software source unavailable (only .HEX). Advance curve is in EEPROM and can be freely modify Need a working charging coil/magneto for the capacitor. Need a battery DOWNLOAD PIC 16F628A 600 to 30000rpm Make the PCB: PCB Eagle v6 files Build the CDI: Schematic Partlist Draw the advance curve: Excel file Burn the PIC: .