TM1637 7-Segment Display Driver

Author & License

• Author: Nima Askari
• Version: 2.0.0
• License: See the LICENSE file in the root folder.

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© 2025 Nima Askari - NimaLTD. All rights reserved.

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TM1637 7-Segment Display Driver Help

Pin Connections

Display Segment	TM1637 Pin
A	SEG1
B	SEG2
C	SEG3
D	SEG4
E	SEG5
F	SEG6
G	SEG7
. (Dot)	SEG8

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Installation

To install the package, add the following address to your STM32 package manager:

https://github.com/nimaltd/STM32-PACK/raw/main/NimaLTD.pidx

STM32CubeMX Configuration

Set CLK (Clock) and DIO (Data I/O) pins as:

• Mode: Output Open Drain
• Select: High-level initialization

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Usage

1. Declare a Display Instance

Create an instance for each display:

tm1637_t seg = 
{
    .seg_cnt = 4,
    .gpio_clk = GPIOA,
    .gpio_dat = GPIOA,
    .pin_clk = GPIO_PIN_1,
    .pin_data = GPIO_PIN_2,
};
.
.
.
tm1637_init(&seg);
tm1637_disp_str(&seg, "1234");