Relay Shield for Arduino V2.1
DFRobot Relay Shield V2.1 is a completely new design which is capable of controlling 4 relays at a time.
(SEM IVA 2.31€)
DFRobot Relay Shield V2.1 is a completely new design which is capable of controlling 4 relays at a time.
A Water Flow Meter Sensor 6mm Hose designed for your Drinking Water Machine!
LDR Light Sensor with Relay