C51 4 Bits Electronic Clock Electronic Production Suite DIY Kits

If you need to purchase multiple items please click on the link below 3Pcs ID 20105245Pcs ID 201052310Pcs ID 2010522Description AT89C2051 based of four electronic clock kitSupply voltage 3V 6VPCB Size 52 x 42mmFunction 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 Features 1 0 56 inch special red digital clock for display2 Import AT89C2051 for master chip3 1 2mm thick PCB made from military grade FR 4 board4 Accurate travel time travel time error range error 1 to 1 seconds every 24 hoursPackage include 1x Electronic Clock DIY KitsNote This produce is DIY kits not the end product You need to have some electronic knowledge and ability We don t supply EN manuals