8-Bit Digital LED Tube 8-Bit TM1638 Key Display Module For AVR Arduino USA
Was $4.63
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$4.31
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Features: 100% brand new in factory packaging 8 keys, 8 LEDs, common cathode LED digital tube. TM1638 Chip Only requires 3 x IO ports for operation. Read the relevant register to send display data or test button so it saves the MCU resources effectively. Keys are sensitive Effective display. Specifications: Voltage range: DC5.0 V-12.0 V Temperature range: -10 - 70C Expect life: 50000 hours Material: Glass fiber reinforced plastic PCB Color: Blue as picture show Package included: 1 x 8-Bit Digital LED Tube 8-Bit TM1638 Key Display Module
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