A small portable device featuring timer, clock, and calendar functions, equipped with a simple and functional interface and a truly long battery life.
Want to turn your circuit ideas into real designs? Check out a free tool that makes drawing schematics, adding symbols & preparing PCBs fast.
Learn how to make a simple hand-cranked power generator from scratch using basic materials like DC motors, a wooden base, an LED panel, and common household items. This step-by-step DIY project ...
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