/diy/ - Do It Yourself

>>1690853

buying a mechanical timer aint gonna impress no bitches.

>>1690850

try a couple of things
- instead of connecting grounds directly, connect thru a 10K resistor.
- AC couple your signal to the 'duino, while adding a DC bias. in other words, add C1, R1, R2 and the 5V supply as per this diagram. forget the rest of the diagram.