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Relay-4-Zero

Specifications:

  • 4 - High quality 3V Relay and loads up to 2A/24V DC or 2A/120VAC
  • LEDs for indicating status of each relay
  • Standardized shield shape and design
  • Raspberry Pi 4, 3, 2, and ZERO compatible 40-Pin Stacking Header

Installing Relay 4 Zero library:

  • Open Terminal and download the code by writing:

    git clone https://github.com/sbcshop/Relay-4-Zero.git

  • Your code will be downloaded to '/home/pi' directory.

  • 'test1.py' is example code for Zero Relay. Run test file and controll your devices with ZeroRelay

Pin Description:

Relays are connected to the pins of the Rasberry Pi. Description of the pins connection is shown below.

Relay Board Pin
Relay1 Pin 31
Relay2 Pin 33
Relay3 Pin 35
Relay4 Pin 37