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Ships within 48 hours · Estimated delivery Sep 15 - Sep 20
high 35mm/1
This product is of good quality and has a one-year warranty
durable and sturdy High- Quality Plastic Ends
Important note You must have two working original keys to add a new key with the DIY programming procedure
Comfortable Uses Unique Design
HiLetgo TM1638 8 Bits Digital LED Tube Display Module with 8 LEDs 8 Button keys for AVR Arduino ARM update_march2023 high 35mm/1HiLetgo TM1638 8 Bits Digital LED Tube Display Module with 8 LEDs 8 Button keys for AVR Arduino ARM 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 SCM peripheral circuits. The advantage is only three IO ports will be occupied when it drives. SCM doesn't need to work for scaning display and key scaning. It only need to read the relevant register to send
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