Relay Bit - 4 Channel 3V Relay Board for micro:bit

The Relay Bit allows your BBC micro:bit to control low and medium current/voltage devices. It's a handy option for controlling devices that could not be directly controlled by micro:bit's Digital I/Os. The standardised shield form factor enables a smooth connection with the micro:bit. The board includes 4 relays for controlling up to 4 different devices, and includes helpful features such as LED indicators and a 90-degree micro:bit connector. Note: micro:bit board not included. Features

* 4x High-quality 3V relays for loads up to 2A/24VDC or 2A/120VAC

* Control up to 4 devices

* 90-degree micro:bit connector

* LEDs for each relay status

* Standardised shield shape and design

* Make your home IoT enabled

* Mounting holes provided

Board Features

Specifications

* Channels: 3

* Voltage: 3V

* AC control voltage: 120V @ 2A

* DC control voltage: 24V @ 2A

* Dimensions: 7x4.3x1.2cm (approx)

* Weight: 100g (approx)

Resources

* Product GitHub page

* Product video with instructions

* Pinout

* Relay 1: P12

* Relay 2: P13

* Relay 3: P14

* Relay 4: P15