Sell [KESOTO] DIY Kit 3V-5V AT89C2051 4 Digital LED Electronic Clock Parts best price

Description: 0.56 inch special red digital clock for display. Import AT89C2051 for master chip. 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.