Features:

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:
   
Package included:

1 x AT89C2051 Digital 4 Bits Electronic Clock Electronic Production Suite DIY Kit

For anything problem about product, price, shipping or order status, pleasecontact us via eBay message.Just contact us using the "Ask the seller a question" link on eBay.
 

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  1. We believe our items are so outstanding. We are convinced you will be happy with your Purchase.
  2. If you do not satisfy with our items. Please simply return to us within 30 Days in original condition. Just pay for the returned postage. Then we can issue full refund to you after the returned item arrived at our warehouse.
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* Just contact us using the " Ask the seller a question" link on eBay.

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