0.56 Inch 4 Bit Red Digital Tube Electronic Clock DIY Electronic Production Suite Main chip: AT89C2051 Power Supply voltage: 3V-6V 1.2mm thick high quality FR-4 PCB PCB dimensions: Length 52mm * Width 42mm With second correction for precision calibration Minute and second can be displayed independently 8:00-20:00 point hours timekeeping

Digital 4 Bits Electronic Clock Production Suite Diy Kit

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SKU: 32824189159

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