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AT89C2051-based of four electronic clock kit
Supply voltage: 3V ~ 6V
PCB Size: 52 x 42mm
Function:
Seconds correction (for precise School)
Switch to every minute independent display interface whole point of time (8-20 o'clock chime can be turned off)
Two alarm settings (you can turn off the alarm function)
Features:
1. 0.56 inch special red digital clock for display
2. Import AT89C2051 for master chip
3. 1.2mm thick PCB made from military grade FR-4 board
4. Accurate travel time, travel time error range error -1 to +1 seconds every 24 hours
Package include:
3x Electronic Clock DIY Kits
Note:
This produce is DIY kits, not the end product! You need to have some electronic knowledge and ability.
We don't supply EN manuals.
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