USD 3.32/pieceUSD 0.99/pieceUSD 0.99/pieceUSD 0.39-0.54/pieceUSD 0.49/pieceUSD 0.61/pieceUSD 0.63/pieceUSD 0.49/piece

Please read before buying:

Because ordinary parcels do not have tracking information, so encountered the peak season of logistics, ordinary parcels will be extended to arrive, so if you mind the speed of logistics, please pay the registration fee, with faster logistics speed. When encountering slight product damage, bent pins, and scratches on the case, we will not accept refunds of disputes if they do not affect use . If you mind this situation, please do not purchase my product. When you buy my product, it is the default acceptance of this article! ! ! So we will not accept your dispute.

AT89C2051-based of four electronic clock kit

Kit Model: YSZ-4

Supply voltage: 3V-6V

PCB Size: 52mm * wide 42mm

Function:

1. Seconds correction (for precise School)

2. Switch to every minute independent display interface

3. whole point of time (8-20 o’clock chime can be turned off)

4. Two alarm settings (you can turn off the alarm function)

Kit Features:

A. 0.56 inch special red digital clock for display;

B. Import AT89C2051 for master chip;

C.1.2mm thick PCB made from military grade FR-4 board;

D. accurate travel time, travel time error range error -1 to +1 seconds every 24 hours.

Package included:

100% Brand New

1x Electronic Clock DIY Kits

1x Manual

NOTE:

This product of the microcontroller program has been written, we will not provide the source code or procedures.

This produce is DIY kits, not the end product! We don’t provide technical assistance please make sure you are familiar with the product before purchasing.

1pcs C51 4 Bits Clock Electronic Production Suite DIY.

If need more parts Pls click and submit the order.If you need more quantity,Pls contact us. If you mind the price,If some parts can not find out in my store,Pls contact us,we still have many parts don’t published.

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