A 4 sounds drumbox built around the CD4011 chip. Bass kick, High and low bonga and claves sound.
Each voice has a seperate output.
No CV
Single main output for the module
Push buttons to trigger the voices. The buttons are from THONK (https://www.thonk.co.uk/shop/low-profile-led-buttons/)
This version adds a gain change of the output buffers on each voice.