So the first thing you want to do is connect the clock pin to any pin on the Arduino.

Control interface: a total of 4 pins (GND, VCC, DIO, CLK), GND to ground, VCC for the power supply, DIO for the data input and output pins, CLK for the clock signal pin.

Display common anode for the four red LED.

The driver IC is TM1637 only two signal lines can make MCU control four Digit 8-segments LED can be used to display decimal, letters and so on.

Display device is a total of 4 red LED word tube.

4-digit LED display module with LED brightness adjustable and clock point.

4 M2 screw holes for easy installation.

In this tutorial we will discuss how to use the TM1637 digital display with an Arduino and NodeMCU ESP8266.

We have a readymade multiplexed seven segment display module the TM1637. Multiplexing seven segment display may be very time consuming for beginners as we cannot display multiple digits on the single seven segment display. The seven segment modules can be used in simple counter type projects, can also be used for the temperature display, etc. These LCDs and Oled display modules are expensive as compared to the digital display modules like for example the Seven Segment modules which are available in common anode and common cathode configuration.

I have also a very detailed getting started tutorials on how to use the 16×2 LCD and Oled display modules. TM1637 Digital Display Module with Arduino– I have been using different types of LCDs and Oled display modules in different types of projects. IoT digital Clock Nodemcu ESP8266 Code Explanation:.IoT digital Clock Nodemcu ESP8266 Complete code:.

Serial 7 segment display arduino