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My Dear Young Engineers, Hobbyist and Students. Today I am uploading very useful USB Battery Charger with single Lithium Ion Battery 3.7V to 4.2V, using a very popular IC MC34063 you can refer the PDF for technical details. Visit www.compudrivesystem.com for more interesting circuit & my Company profile.



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Variable interval timer are very important circuit from home to industry. I have used CD4060 IC with adjustable POT VR1 to adjust the time parameter. Visit my website www.compudrivesystem.com for more interesting circuits.



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Compu Drive System is over 3 Decades Non-Stop exploring Company, with Strong Expertise & Experience in Electronic Circuit Designing, Creating Embedded Systems, and Research & Development for Innovative Prototype Development Products related to the fields like Test & Measurements, Medical Equipment, Industrial Electronics, Automotive and Automation. We also undertake project work for Educational Institutes, Students & Hobbyist. Visit www.compudrivesystem.com. Call / WhatsApp +91 9831092629.




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Hello Engineering Friends!! It's all project submission time, so a PWM circuit to control the motor speed using timer IC 555. Work out in a breadboard and send the video over my whatsapp number +91 9831092629. The first presenter will get a gift. So hurry your time starts NOWWWWWW.....



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Hello Friends! A power supply with a soft start, I am uploading for my young engineers. We undertaking PCB Design, PCB Assembly & Innovative Prototype Development across the globe for the domains like Test & Measurements, Medical Equipment, Industrial Electronics, Automotive, Indian Army, Educational Institutes, Students & Hobbyist. Visit www.compudrivesystem.com.



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Over Last Three Decades Compu Drive System is associated with Electronics Research & Development, undertaking PCB Design, PCB Assembly & Innovative Prototype Development across the globe for the domains like Test & Measurements, Medical Equipments, Industrial Electronics, Automotive, Defence, Educational Institutes, Students & Hobbyist. Call / Whatsapp at +91 9831092629. Visit www.compudrivesystem.com.



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Hi! Friends, securing personal lovable gadgets & luggage some time becomes difficult, so placing electronics security alarm are bit more safe, there are endless possibilities, I am using a tilt sensor with a CD4538 multi vibrator IC. You can use it with your gf, wife, bike, car, laptop and all valuable assets. it's a concept need enlightenment from engineering brains. We are into electronics circuit design & prototype development since last 34 years. Visit compudrivesystem.com for more circuits and my company profile.