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TM1638 Chip Key Display Module 8 Bits Digital LED Tube

TM1638 Chip Key Display Module 8 Bits Digital LED Tube

928931
$4.40 $9.99

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Features 8 Bits 8 keys 8 LEDs 8 digital tubes common cathode LED digital tube With TM1638 Chip this module gather more than three commonperipheral circuits The advantage is only three IO ports will be occupied when it drives doesnt 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 DIOIO port Package included 1 x LED display module withe cable

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