74hc595 4bit Digital LED Tube Display 7 Seven Segment Module Arduino

Working voltage: 3.3V-5 Using two 595 chips to drive the digital tube control, needs 3-way single-chip IO port , according to the digital tube display dynamic scanning principle PCB board size: 40mm * 22m The digital model: 0.36 4 Bits common annode (positive) Pin Definition: VCC: Power supply DIO: Serial Data Input RCLK: clock pulse signal SCLK: input clock signal GND: Ground GND: grounding Package Content 1 x Common Anode LED Display Board Digital Tube Display Module