All Parts
Gather up the parts needed for this build.
- Feather RP2040 USB Host
- 8 Channel I2C Solenoid Driver
- 2x 5V mini solenoids
- 2x JST-PH 2-pin cables
- STEMMA QT cable - 50mm long
- 2x short (2") stranded hook-up wires
Wires for Feather
Use the red and black colored spool of wires to create two wires that are approximately 2 inches (50mm) long.
Solder the black wire to the ground pin on the Feather and the red wire to the USB pin.
Cables for Driver
Cut the wires from the JST-PH cables so they're approximately 2.5 inches long (64mm). Use wire strippers to remove a bit of insulation from the tips of each wire.
Insert the black wire from the first JST cable to pin 0 and red wire to + positive pin.
Insert the black wire from the second JST cable to pin 1 and red wire on + positive pin.
Use a small flat head screwdriver to secure the wires to the screw-block terminals.
Connect Feather to Solenoid Driver
Insert the red wire from the USB pin on the Feather to the positive terminal on the solenoid driver's power screw block.
Insert the black wire from the GND pin on the Feather to the negative terminal on the solenoid driver's ground screw block.
Use a small flat head screwdriver to secure the wires to the screw-block terminals.
Page last edited June 17, 2025
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