5Pcs C51 4 Bits Electronic Clock Electronic Production Suite DIY Kits

5Pcs C51 4 Bits Electronic Clock Electronic Production Suite DIY Kits
sku: 2010523
$13.59
Shipping from: China
   Description
Description 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 5x 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
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