Bluetooth Switch Relay 12V
This is a 12V relay that you can switch using the built-in JDY-30 bluetooth slave module. By using a bluetooth terminal app on your phone, you can wireless open or close th..
Latching Relay 12V Single Channel
A latching relay is different to a normal relay - it only needs a low pulse to change between open and closed - you don't need a continuous current to keep it open.
Sparkfun 4 Way Relay Board Qwiic Ready
The Qwiic Quad Relay is a product designed for switching not one but four high powered devices from your Arduino or other low powered microcontroller using I2C...