1 Channel Relay 3V Relay Module for Micro:bit

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A compact 3V relay module designed for micro:bit projects, allowing you to control high-current devices like home appliances, motors, and lights. Part of the OCTOPUS series with st andard connector compatibility. The module features a high-quality HUIKE relay capable of switching up to 30A, with both normally open and normally closed contacts for flexible circuit control. The 3V operating voltage is perfectly suited for micro:bit's power output. Key Features High Current Capacity – Handles loads up to 30A for controlling powerful devices 3V Operation – Designed specifically for micro:bit power levels Dual Contact Types – Includes both normally open (NO) and normally closed (NC) contacts Easy Connection – Standard 3-pin connector works with octopus:bit and similar breakouts Compact Design – OCTOPUS series form factor with standard mounting holes Ideal For Home automation projects Controlling lights and motors micro:bit IoT applications Educational electronics projects Getting Started Connect the relay module to P1 on your octopus:bit using a jumper cable, then insert your micro:bit into the edge connector. In MakeCode, set P1 to high to close the normally open contact (and open the normally closed contact). View example program. Specifications Operating Voltage: 3V DC Maximum Switching Current: 30A Contact Configuration: 1× NO, 1× NC Relay Type: HUIKE miniature relay Connector: 3-pin OCTOPUS standard Dimensions Show more