I created a PCB that is pin compatible with the Dout board but is designed for driving solenoids using different parts for either a Sink or Source mode drivers. Hoping to use these boards for driving Stop Action Magnets (SAM's) in my organ projects. It also allows me to isolate the logic grounds from the driver power grounds. It uses the MIC2981 or the ULN2803 driver chips. I used them because the pin configuration is similar and they seem to be available, at least for now. This board is la