5PCS TM1637 LED Display Module 4 Digit 7 Segment 0.56 inch Time Clock Indicator Tube Module Red Blue Green Yellow White For Arduino
This module is a 12 foot with clock display four common anode tube (0.56 inch) display module, driver IC is TM1637, only two signal lines can make the MCU control 4bit 8 digital tube.
The control interface electrical level is 5V
1PCS Blue+1PCS Red +1Pcs Green +1pcs Yellow +1 Pcs White TM1637 4-Bits Digital LED Clock Tube Display For Arduino