TM1638 Chip Key Display Module 8 Bits Digital LED Tube Electronic Module Board with Five Dupont Wire

TM1638 Chip Key Display Module 8 Bits Digital LED Tube Electronic Module Board with Five Dupont Wire
sku: 2008840
$6.70-2%
$6.57
Shipping from: China
   Description
Features 8 Bits 8 keys 8 LEDs 8 digital tubes common cathode LED digital tube With TM1638 Chip this module gather more than three common peripheral circuits The advantage is only three IO ports will be occupied when it drives doesn t need to work for scaning display and key scaning It only need to read the relevant register to send display data or test button so it save MCU resources effectively Keys are sensitive and display effectively Specification Weight 28gMaterial Glass fiber reinforced plastic PBT shell PA bladesHow to connect VCC GND 5V power supply STB CLK DIO IO port Package include 1x LED Display Module5x Dupont Wires
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