AT89C2051 Digitális 4 bites elektronikus óra elektronikus gyártási csomag DIY készlet

AT89C2051 Digital 4 Bits Electronic Clock Electronic Production Suite DIY Kit
Features:
AT89C2051-based of four electronic clock kit
Kit Model: YSZ-4
Supply voltage: 3V-6V
PCB Size: 52mm * wide 42mmFunction:
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
401018257577 - ali110 (280)