A drum trigger sequencer all powered by 1 button. Inside is 1 Arduino nano controlling the whole Shabang.
Below is the Stripboard layout.
HERE IS THE ARDUINO CODE :-
You can make this with a modular power supply, ignore the -12volts or whatever the -12 volt is, wire the +voltage to the plus and the gnd to the gnd and if the voltage regulator pops bummer. replace it. all good. :)
Below is a shopping list from rapid online.
ARDUINO NANO CHEAP AS CHIPS HERE
ILLUMINATED ARCADE BUTTON HERE
MINI JACK SOCKETS HERE
ENCLOSURE PRICEY BUT YEAH IF YOU WANT THE REAL DEAL HERE
POWER SOCKET HERE
ROTARY SWITCH HERE
10k POTENTIOMETERS HERE
10K RESISTORS HERE
1K RESISTORS HERE
2K RESISTORS HERE
You can add a jack in parallel with any of the buttons! even the big button, so you can add trigger control to reset for instance, or the big button control! even if you put a jack in parallel with the channel select. it will work :)