Learn how to built a digital clock by putting all the parts and follow the instrution,
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.
NOTE:
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. 25
- What's included
- digital Clock DIY kit1x
- Schematic manual1x