Description:
- 0.56 inch special red digital clock for display.
- Import AT89C2051 for master chip.
- 1.2mm thick PCB made from military grade FR-4 board.
- Accurate travel time, travel time error range error -1 to +1 seconds every 24 hours.
- 4-digit LED display,ideal digital clock DIY kit for electronics enthusiasts, easy to install.
Specification:
- 4-digit electronic clock kit based on AT89C2051
- Material: Plastic, Electronic Components
- PCB Size: 52x42mm/2.05x1.65inch
- Supply Voltage: 3V-5V (5V Recommended)
- Function:
- Seconds correction (for accurate timing).
- Can switch to the minute and second independent display interface.
- Whole hour is reported (8-20 o'clock hourly, 3 seconds, can be closed).
- Two-way alarm setting (can turn off the alarm function).
Package Includes:
1 Set DIY Clock Kit
Note:
Pls allow an error of 1-3mm due to the difference of manaul measurement.