DIY Digital Clock Kit Light Control Industrial Control LED Elecronic

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Description:

0.56 inch special red digital clock for display.
AT89C2051 for .
1.2mm thick PCB made from 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.

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