Arduino Fans

Description

4 Bits 7 Segments 0.36 inch Digital Tube Red LED Display Module With Double Dots Clock Display TM1637 for Arduino

• 4 Bits 7 Segment LED Digital Tube Display (Red)
• Adjustable 8 Levels Brightness control
• Level Control Interface for 5V or 3.3V
• 4 M2 Screws Positioning Holes for Easy Installation
• Use to be Display 12/24 hours Digital Clock
• Can be attached with any micro controller, Arduino, NodeMCU, ESP32 etc.
• Size 42mm x 24mm x 12mm

Control Interface: A total of four pins (GND, VCC, DIO, CLK), GND to ground, VCC is the power supply, DIO of data input and output pin, CLK is the clock signal pin.

Digital tube: 4 common anode score points with 0.36 inches LED, red highlights.

Positioning holes: 4 M2 screws positioning hole diameter is 2.2mm, the positioning of the module is easy to install, to achieve inter-module combination.

Use tm1637.h library for Arduino, NodeMCU , ESP8266, ESP32