Comimark 1Pcs AT89C2051 Digital 4 Bits Electronic Clock Electronic Production Suite DIY Kit

Description

Features:

AT89C2051-based of four electronic clock kit

Kit Model: YSZ-4

Supply voltage: 3V-6V

PCB Size: 52mm * wide 42mm

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.

Package Included:

1 x AT89C2051 Digital 4 Bits Electronic Clock Electronic Production Suite DIY Kit