1 Channel Relay 3V Relay Module for Micro:bit

The 3V Single Channel Relay Module is part of the OCTOPUS series of electric bricks. Designed in line with the OCTOPUS electric brick series, it has the same shape, PCB positioning holes, and electric brick connectors. It uses a mini and high - quality HUIKE relay, enabling control of various home appliances and high - current load devices. It's a must - have accessory for electronic DIY enthusiasts. **Features** - High - current relay with a max current of up to 30A. - Runs on a 3V power supply, suitable for micro:bit. - Contact control with a normally open and a normally closed contact. - Easy wire connection. **Quick Start** **Hardware Connection**: Connect the relay module to P1 on octopus:bit using a jumper cable. Then insert micro:bit into the edge slot of octopus:bit. **Programming**: Click to open Makecode, write your code in the editor area. Set high electric level to P1 port to control the contact switch through code. The normally open contact will close and the normally closed contact will open. **Dimension**: [Not provided]

Using this 3V Single Channel Relay Module is quite simple. First, for the hardware connection, use a jumper cable to connect the module to P1 on octopus:bit. Then just insert your micro:bit into the edge slot of octopus:bit. When programming, open Makecode and write your code. By setting a high electric level to the P1 port, you can control the opening and closing of the contacts. Remember, this module runs on a 3V power supply, so make sure your power source is appropriate. For maintenance, keep it in a dry and clean place. Avoid exposing it to high humidity or extreme temperatures. If you notice any abnormal behavior like overheating or strange noises, stop using it immediately and check for any loose connections or damaged parts.