Guru
Joined: 05/03/2018
Location: NetherlandsPosts: 5994
| Posted: 10:00am 03 Nov 2025 |
Frank,
Check the voltage at the solenoids. When it is 5V or 12V, you will have to attenuate it to 3.3V before connecting it to a pico IO pin.
Volhout
P.S. If you look at the wiring it feels like the solenoids are in a matrix (3 rows, 4 columns) since the wire does not get thicker between solenoids 2,3,4 in a string. Maybe visual illusion. Maybe not.
Edited 2025-11-03 20:05 by Volhout