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TM1637 4-digit 7-segment LED display module
TM1637 4-digit 7-segment LED display module with 2-wire interface, adjustable brightness, and Arduino compatibility—ideal for clocks and counters.
The TM1637 4-Digit 7-Segment LED Display Module is a compact and easy-to-use display solution for showing numeric data in embedded and microcontroller-based projects. Powered by the TM1637 display driver IC, it requires only two control pins (CLK and DIO), making it ideal for projects with limited I/O pins.
This module features a bright 4-digit 7-segment LED display with a built-in colon, suitable for displaying time, counters, sensor values, voltages, and timers. It supports adjustable brightness levels and delivers stable performance with low power consumption.
Fully compatible with popular platforms such as Arduino, ESP32, ESP8266, Raspberry Pi, and STM32, the TM1637 module is widely used in digital clocks, timers, counters, DIY electronics, and educational projects.

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- Modular stepper motor drivers:Â 3
- Limit switches:Â 6
- Micro-stepping:Â 1/16
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- Compact design.
- Runs on 12-36V DC. (At the moment only the Pololu DRV8825 drivers can handle up to 36V so please consider the operation voltage when powering the board.)
- Please note that this is an unassembled kit and needs soldering.
- Latest Arduino CNC Shield Version 3.51
Arduino LilyPad 328 ATmega328P Main Board 16M Compatible with Arduino
- Microcontroller: ATmega168 or ATmega328V
- Operating Voltage: 2.7-5.5 V
- Digital I/O Pins: 14
- PWM Channels: 6
- Analog Input Channels: 6
- DC Current per I/O Pin: 40 mA
- Board will run from 2V to 5V.
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