User Manual
12/20/2018 1 Channel Relay 3V Relay Module for Micro:bit - ElecFreaks
https://www.elecfreaks.com/estore/1-channel-relay-3v-relay-module-for-micro-bit.html 1/1
Quick Start
Hardware Connection
Connect the relay module to P1 on octopus:bit using a jumper cable.
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 make
the normally open contact close and the normally closed contact open. Thus, we are able to control
the connection of contact switch through code.
Link of the whole program: https://makecode.microbit.org/_Lvega7TP6ggz