bong0

Twin-T based drum module

The bong0 is a twin-T based drum module with a LED acting as a nonlinear resistor to give it some interesting characteristics. The trigger input acts as a normal input to get your drum sound. The input marked ‘in’ can also be used, or you can jam a CV in there, or a gate or audio. You can just use the ‘in’ input without anything into the trigger.

Bong0 can also be used for basslines, drones and as a crude but useful VCO. It has about 20 passive components which are 0805 smd and 1 thru-hole TL072, meaning it is a good circuit for learning to solder smd parts and delivers way more fun than such a simple module should.

PCB US $8
panel US $20
assembled US $85

https://www.nonlinearcircuits.com/modules/bong0