Relay (sensor)

Regular price $10.00 Sale

Relay is a relay sensor. It can be used in isolation control.

*Compatible with the DIY and mCookie series.

Introduction of Pins

Servo Relay
General Pin Out Sensor / Trinket's Pin Out
PIN3 (SIGNAL-A) Digital Output
PIN4 (SIGNAL-B) Not Connected
  • General Pin Out is the standard pin out of a Sensor / Trinket connector.
  • Sensor / Trinket's Pin Out is this specific Sensor / Trinket's wiring in relation to the General Pin Out.
  • SIGNAL-A / SIGNAL-B are signals that could be digital input, digital output, analog input or analog output. Or special signals such as serial communication (SoftwareSerial, IIC (I2C), etc) or other special signals.
  • Not Connected refers to the Pin not being used for this particular Sensor / Trinket.
  • Read more about the hub module.


  • Used in isolation control of high voltage and high current signal.
  • With small size which is easy to install.


  • Voltage
    • Primary side input 5V working voltage
    • Secondary side output 10A 250VAC/10A 30VDC
  • Size
    • Size of the board:
    • 1.27mm-spacing 4Pin interface connected with sensorhub
  • Function description
    • Use relay to control the output of a larger voltage.
  • Connection
    • This sensor can be connected to the following interfaces of core: D2~D13,A0~A7