6 Bit LED Digital Elektronische Uhr Kit AT89C2051 PCB Modul Produktionsanzug Zum Selbermachen
11,85 €
The PCB circuit design is more reasonable and beautiful, the circuit board is made of FR-4 glass fiber board with a thickness of 1.6mm, and the board is hard and sturdy. ③Alarm clock function: short press S1 twice, the display state is 22:10:00, and the colon is long on.
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