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OCTOPUS Infrared Receiver Sensor(EF04009)


This is a simple infrared receiver sensor,and mainly receives infrared signal through HS0038 infrared diode. HS0038 is particularly sensitive to the infrared signal, and it can receive the infrared signal very swiftly.

ELECFREAKS Octopus Infrared Receiver Sensor


Standard 3-pin GVS port is easy to plug.


Pins DefinitionS-Sigal V-VCC G-GND
Working Voltage3V
Size38.9 x 23.5 mm


Outlook and Dimension

Quick to Start

Materials required and connections diagram

Connect to P1 port as the picture shows.

Take sensor:bit for examples


Step 1

Click "Advanced" in the drawer of the MakeCode to see more choices.

We need to add a package for programming, click "Extensions" on the bottom of the drawer and search with "ir-receiver“ in the dialogue box to download it.

Note: If you met a tip indicating codebase will be deleted due to incompatibility, you may continue as the tips tell or build a new project.

Step 2

Programming as the picture shows



You can also download it directly:


If pushing the switch button on the controller, the micro:bit shows a "smile" face; if pushing the four direction keys, the micro:bit shows it accordingly.

Relevant Cases

Technical Files