Control Serial Relay Board Raspberry Pi through USB port


Hello, Working with serial relay controller which is connected with DC motor used in electronic valve and was thinking to connect and control these serial Relay board with Raspberry Pi but need to design Serial to USB controller circuit and looking for IC which will be suitable make this kind solution possible easily. Any suggestion to make these kind of solution possible will be very helpful


Hello Mandy,
Have a look at our part number 336-3692-ND (CP2102N-A01-GQFN20)

-J Lawrence


The most common solution for this is dongle based, like this.

Another common and nice package is to use one of these as it has all the circuitry to support usb and drops right into the db9 footprint.