4. OCTOPUS 1Channel Relay 5V(EF04026)

4.1. Introduction

OCTOPUS 1Channel Relay is a single relay electronic brick.

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4.3. Characteristics

The 3-pins ports is easy to plug and play. It can work with micro:bit in 3V.

4.4. Specifications

Item | Parameter :-: | :-: SKU|EF04026 Relay Supply Voltage|3V-5.5V Contactor Control |Light separation circuit Drive Circuit|Transistor drives circuit, high resistance of the pins Heavy Relay|DC 24V 2A，AC 120V 2A PCB location hole|Standard 3mm

4.5. Outlook and Dimensions

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4.6. Quick to Start

Materials used and connection diagram

Connect to the P1 port as the picture shows

Take sensor:bit for example

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Program as the picture shows

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Reference

Links: https://makecode.microbit.org/_5fRVFCVFUJmE

You can also download the links below:

Result

Press the button A or B to control the on or off of the relay.

4.7. Relevant Cases

4.8. Technique Files