2pcs 4 Bits TM1637 Digital Tube LED Clock Display Module Arduino Due UNO 2560

Description: The module is a common anode tube (0.36 in.) clock display module for driver IC TM1637, only two signal lines can make the MCU control 4 8 digital tube.   Module Features:  Display common anode for the four red LED Digital tube 8 gray adjustable Level control interface for 5V or 3.3V 4 M2 screws positioning holes for easy installation Size:42X24X12mm Interface 4 digital display module: (the last picture show) 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   Positioning holes : 4 M2 screws positioning hole diameter is 2.2mm.   Package Included： 2pcs 4 Bits TM1637 Digital Tube LED Clock Display Module For Arduino Due UNO 2560 R3