Description
Digital tube led color:green. clock function:Voice timekeeping function, hourly timekeeping function, temperature display (correction), alarm clock, night light, automatic brightness adjustment, date/week display, power-off memory.
Single chip microcomputer:STC15W408AS DIP-28,Clock IC:DS1302 DIP-8.32867hz crystal oscillator,CR1220 button battery with power off memory function,USB turn 5V power input.
Tutorial: The product contains a paper manual. Scan the QR code on the manual to enter the web manual, including detailed welding step diagrams and welding step videos, and instructions for setting the clock
Light sensor function: when the light is low at night, the digital tube becomes dark automatically; when the light is strong, the digital tube becomes bright. If the photoresistor is short-circuited, the digital tube can be lit all the time.
widely used in schools to help students learn basic mechanical and electronic the analysis of the circuit, understand the working principle of the circuit, learn to train electronic skills, welding training.
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