Micro:bit TM1637 display

Create a stopwatch with Micro:bit and display TM1637

Purpose of this tutorial:

In this tutorial we will see how to create a stopwatch with the micro:bit card and the TM1637 display:

  • When you press the A button of the Micro:bit, the stopwatch is triggered.
  • When the Micro:bit B button is pressed, the stopwatch stops and returns to the value 0.

Required Components

  • Micro:bit Board
  • TM1637 display
  • GPIO Extension Board
  • Connector Wires


To complete the mounting, connect:

  • the VCC pin of the display to the 3.3V pin of the micro:bit.
  • The GND pin from the display to the micro:bit GND pin
  • The DIO pin from the display to the micro:bit adapter pin P1
  • The CLK pin from the display to the micro:bit adapter pin P2

There are several mounting methods.

Mounting (1)

Mounting (2)

Makecode program

Here is the makecode program that allows you to create a stopwatch and display it on the TM1637 display.

Note: You must go to Extensions to import the TM1637 extension.

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