Demo Project: ESP-32 tm1637 driver LED library for the ESP-IDF

Introduction

This is a demo project for a library to control TM1637 LED 7-segment display using the ESP-32 IDF toolchain ESP-IDF.

Please note that this is actually a demo project. The library is in the components folder.

Features

• Display numbers
• Display raw segment data
• Scrolling text
• Simplified interface
• C++ Implementation

Software required

esp-idf v5.1.2 or later.

Installation

git clone https://github.com/cfrankb/esp32-tm1637plus-cpp
cd esp32-tm1637plus-cpp/
idf.py set-target {esp32/esp32s2/esp32s3/esp32c3}
idf.py menuconfig
idf.py flash

Suggested wiring for the TM1637 LED display

TM1637	wirecolor	GPIO Pin
CLK	white	18
DIO	yellow	19
GRN	black	GRN
VCC	red	3.3v or 5v

Tested hardware

Part #	Size	Pins
5643BS-1	0.56"	12
8041BS-1	0.80"	12
8401BS-1F	0.80"	14

Source Code

The source is available from GitHub cfrankb/esp32-tm1637plus-cpp.

License / acknowledgement

The code in this project is licensed under the MIT license - see LICENSE for details.

Initial idea based on the Micropython implementation library, written by Mike Causer Copyright (c) 2016 https://github.com/mcauser/micropython-tm1637

The project is also based in part on this ESP-32 ESP-IDF library: https://github.com/petrows/esp-32-tm1637