Electronics
Connect the control signal wiring to Raspberry Pi
Connect the input to your power supply
Solder the pins to your ADC
Connect your SDA and SCL to the respective place at raspberry pi
Connect ADR to GND
Connect SIG to A0 on your ADC
Connect solenoid to mosfet output
Solder the wiring to the solenoid
If you're done assembling and testing you should remove the breadboard if you chose to use it and solder everything together or use wago connectors