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Hi! Friends, Today one more interesting project on solar, photovoltaic cell based lead acid battery charging circuit. Hope you all are enjoying building practical circuits. Call Us at +91 9831092629 for any electronics circuit design, PCB, PCBA & prototype development job works across the globe. Visit www.compudrivesystem.com for our profile & more circuits.



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Hello Friends.. Today I am uploading a Simple Circuit Of NAND Gate Using Transistor & Diodes. So Enjoy Digital With Analog Concept. Call Us For Any Prototype Circuit Design & Development Work, Visit Our Website www.compudrivesystem.com to check our profile.



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Hello Friends!! Today I am posting a useful concept of current limiting circuit using a transistor. I use it in many applications. You can contact US for Professional Circuit Design, Our Domain areas are IoT, GPS/GSM, Bluetooth, RF, Mixed Sensors, Robotics, Bio-Medical, SMD Circuits, Wearable, OFC, Solar, Automotive , PCB Design, Industrial Control Circuits. Visit - www.compudrivesystem.com for our Profile.



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Hello my friends!! Today's I am uploading a remote based circuit to drive a auto return actuator motor to automate the door locking mechanism. Compu Drive System Kolkata India are into Electronics Circuit Design and Prototype Development Domain over 3 Decades. Visit- www.compudrivesystem.com to take a glimpse of our profile.



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Hello Friends! Today I am uploading a simple circuit to drive a load working at 12V or higher voltage with a darlington transistor then the control circuit working at 5V. These are called as voltage level shifting circuit. Contact Us For Prototype Circuit Design & Development Work, Visit Our Website compudrivesystem.com to check our profile and more circuits.



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Hello Friends!! Today I am Posting A Weekend Circuit, It's 12V 30 Amps Power Supply Using A LM7812. So a Small Puzzle, Can You Find A Mistake In It. You can contact US for Professional Circuit Design, Our Domain areas are IoT, GPS/GSM, Bluetooth, RF, Mixed Sensors, Robotics, Bio-Medical, SMD Circuits, Wearable, OFC, Solar, Automotive , PCB Design, Industrial Control Circuits. Visit - www.compudrivesystem.com for our Profile.



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Hello Friends!! Thanks for Your Lovely Emails & Whatsapps, This Circuit is a Control Circuit Of LED Moving Message Display, Without Using A Micro-Controllers, Bases on a NE555 working as a Clock Gen. CD4040 acting as a Address Counter & a Programmed ROM acting as 7 or 8 Bit Data for The Shift Register. Call Us For Any Prototype Circuit Design & Development Work, Visit Our Website compudrivesystem.com to check our profile and more circuits.