Open this page at https://devegied.github.io/pxt-tm1637/

Digit Display (TM1637)

makecode Digit Display (TM1637) extension for micro:bit

LED Digit Display Module with 1-6 (normal four) 7-segment LED, it can show numbers. It has TM1637 chip controled with a 2-wire interface.

Original author: shaoziyang https://github.com/makecode-extensions/TM1637

Usage

In your micro:bit makecode project click on Extensions under the gearwheel menu search for https://github.com/devegied/pxt-tm1637 and import

API

• create(clk: DigitalPin, dio: DigitalPin, intensity: number, count: number) create a TM1637 object.

  • clk, any DigitalPin
  • dio, any DigitalPin
  • intensity, set display brightness, range [0-8]
  • count, digit count, range [1-6]

• on() turn on the display.

• off() turn off the display.

• clear() clear content of the display.

• showDigitAt(num: number, pos: number) show a digit in given position.

• showNumber(num: number) show a interger number on display.

• showHex(num: number) show a hex number on display.

• showDP(pos: number, show: boolean) show or hide dot piont at given position pos is dot point position, [0 - count] show, True will show DP, False will hide it

• intensity(val: number) set display brightness.

• lightSegmentsAt(segments: number, pos: number) light indicated segments at given position segments is display segments to light pos is the position of the digit segments value can be calculated by adding segmen values:

Demo

Blocks preview

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License

MIT

Copyright (c) 2018, microbit/micropython Chinese community

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