This is a DIY digital alarm clock kits. It is equipped with the 0.56" 4 digit LED module and AT89C2051 chip. It can train your soldering skills during assemble, once finished, it will be a digital alarm clock with seconds correction, hourly chime function perfect for electronics fans, school electronics teaching.
Working Voltage:DC 3-6V
PCB Board Size:52X42mm
Functiion:seconds correction,alarm clock,hourly chime function(8:00-22:00)
1X 4 Digit Alarm Clock Kit
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This is a DIY kit, it need the user know the basic soldering skills of electronic components. We do not provide the assemble instructions. But we have the function setting instructions and will send to you through email, please check your email box, if you do not receive it, please feel free to contact us.) Any question or comments during use this item, or meet delivery problem, please do not hesitate to email us as well, we will answer you within 12 hours during the business days.
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Equipped with 4 digit 0.56" red LED module specially designed for the digital clock
52 X 42mm FR-4 PCB board with large solder joint and pre-marked electronic components name, enable the soldering process easier
Programmed AT89C2051 MCU chip, precise time display, supporting seconds correction,hourly chime function and twice alarm clock setting
DC5.5*2.1 power port with 3-6V power supply, come along with the USB cable, easier to get the power supply support Perfect for Electronics learner training or school teaching
Ship it out in 1 business day by e-packet with tracking information and 7-17 business days delivery time usually