Color: as picture show
*Only need 3-wire control.
*Adapts TM1638 digital tube drive chip. Common anode LED digital tube.
*Only need three common IO and could drive, no need MCU scan, save MCU sources.
*With 8 8digital tube (including decimal point).
*2*8 16 buttons.
*Support 8 degree brightness adjustment.
If you need, please click this button below.
1 x 8 Bits LED Digital tube Module Keyboard Scan and Display Module TM1638 MCU
8 Bits LED Digital tube Module Keyboard Scan and Display Module TM1638 MCU