Display LED digital TM1638 8-Bit tube board 3-Wire 16 Keys (t.7210S)

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Specificații în limba engleză:

TM1638 is an LED ( Light Emitting Diode Display ) drive control special circuit with keyboard scanning interface.

It integrates MCU digital interface, data latch , LED high voltagedrive,keyboard scanning and other circuits.

Mainly used in high-end display drive of refrigerators, airconditioner home theaters an other products.

Product name:TM1638 scanning module
Adopt TM1638 digital tube driver chip to drive common anode LED digital tube.
The biggest advantage: only 3 ordinary lO can be driven,no MCU scanning is needed, which saves MCU resources.
With 8 8-segment digital tubes (including decimal point).
2*8total 16 keys.
Support 8 levels of brightness adjustment.
Using power CMOS process
Display mode 10 segments x 8 digits
Key scan(8×3bit)
Brightness adjustment circuit (duty cycle 8 levels adjustable)
Serial interface(CLK,STB,DIO)
Oscillation mode:RC oscillation (45OKHz+5%)
Built-in power-on reset circuit
Weight:34 g
Size: 68mmx68mm (approx)

Function Introductios:
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 digital tube (including decimal point).
2*8 16 buttons.
Support 8 degree brightness adjustment.

Atenție!

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