ITEM NAME:C51 4 Bits Digital Electronic Clock Electronic Production Suite DIY K JR Description: Based on AT89C2051 four digital clock kit Supply voltage: 3V-5V PCB dimensions: length 52mm * wide 42mm Function: 1 second correction (for precise timing) 2. The minutes and seconds can be switched to stand-alone display interface 3. The whole point of time (8-20 o'clock chime can be turned off) 4. The two alarm settings (turn off the alarm clock function) Kit Features: A dedicated clock using 0.56-inch red LED for display;. B. import AT89C2051 as the master chip; C.1.2mm thick PCB by the military grade FR-4 made of sheet metal; D. accurate travel time, travel time error range of error per 24 hours -1 to +1 seconds. Package Included: 1 x Hot sale C51 4 Bits Digit Electronic Digital Clock LED Production DIY Kit Parts.1 x Hot sale C51 4 Bits Digit Electronic Digital Clock LED Production DIY Kit Parts. The two alarm settings (turn off the alarm clock function). 1 second correction (for precise timing). Based on AT89C2051 four digital clock kit.
