3Pcs C51 4 Bits Electronic Clock Electronic Production Suite DIY Kits

3Pcs C51 4 Bits Electronic Clock Electronic Production Suite DIY Kits

Description:

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)

Feature:

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

Package included:

3 x 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.