The driver chip is TM1637. Only 2 signal lines are required to enable the single-chip microcomputer to control a 4-digit 8-segment digital tube. Features: 1. The display device is a 4-digit common anode red-digit digital tube, which can be used to display decimals, letters, etc. 2. The digital tube 8 grayscale adjustabley. 3. The control interface level can be 5V or 3.3V . 4. 4 * M2 screw positioning holes for easy installation. 4 M2 screw holes for easy installation. It features a 4-bit LED display that can be easily interfaced with Arduino boards, making it perfect for DIY electronics, clock displays, or timers in projects... Description: The module is a 12-pin 4-digit common anode digital tube (0.36 inch) display module with clock dots. Display device is a total of 4 red LED word tube. Buy 8-Digital Display Module, 8 Digit Tube LED 7 Segment Display Module 5 V 74 Hc 595 Drive Chip 0 56 In Red Chip Display 0.36" Inch TM1637 4-Digit Tube LED 5 Color Digital Display Module For Arduino Uno The driver IC is TM1637, only two signal lines can make MCU control four Digit 8-segment LED. Genuine U.S. ARMY PATCH: PHYSICAL FITNESS EXCELLENCE- FULL COLOR 2.5 Round VTG ; Original/Reproduction. Original ; Theme. Militaria ; Accurate description. 4.9 Control port: 4 common anode score points GND to ground VCC for the power supply DIO for the data input and output pins CLK for the clock signal pin Parameter: Power supply voltage: DC 3.3V-5V Module current: 30-80MA (when 5V power supply) Positioning holes: 4 M3 screw positioning holes (hole diameter: 2.2mm) Package Included: 6* 4-Bit LED Digital Tube Module
