4. OCTOPUS 1Channel Relay 5V(EF04026)#

4.1. Introduction#

OCTOPUS 1Channel Relay is a single relay electronic brick.


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#


4.6. Quick to Start#

Materials used and connection diagram#

Connect to the P1 port as the picture shows

Take sensor:bit for example


Program as the picture shows#



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

You can also download the links below:


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

4.7. Relevant Cases#

4.8. Technique Files#