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Showing posts from 2018
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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.



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Hello Engineering Friends! Today a concept of automatic battery charging circuit. Hope you will try it. Your Like, Share & comments are most important. For more reference and concepts of different circuits visit www.compudrivesystem.com. Call me at +91 9831092629 for any electronics circuit design & new Ideas. We are the leaders in electronics, mechatronics & IOT based prototype development. We also undertake B tech, M tech & PhD Project design.



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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.



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Hello Friend's!! 27 Series of PROM & EPROM today's young generation are mostly not aware off, the most widely used ROM from 1980's till date specially the industrial sector, My this Standalone ROM copier circuit I developed in the year 1995, many of my student's made it & learned writing data in ROM using a breadboard. Today the ROM has changed from parallel data ROM to Serial ROM with 24 and 25 series. Just wanted to share my old memories. Be blessed and enjoy developing circuits. Love You All. We are electronics circuit designers since last 3 decades and have touched almost all domains in electronics and mechatronics. Visit www.compudrivesystem.com.



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Hello Friends, To Make This Weekend more Enjoyable Today I am Posting A Simple Audio Amplifier Circuit Using IC NE5532. Call Us For Any Prototype Circuit Design & Development Work, Visit Our Website compudrivesystem.com to check our profile.



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Hello Friends! Today A Simple Inverter Circuit, Using 12-0-12 1A, Transformer 220 V Use In Reverse with Very Popular Timer NE555. Happy Developing. Love You All for your Emails, WhatsApps, Phone Calls and of course Your Share, Likes and Comments. Visit My Website For More Electronics Circuit www.compudrivesystem.com.



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Hello Friends! Today A Simple Dual Flip-Flop Switch Activated Relay Using IC CD4013. You can contact US for Professional Circuit Design, Our Domain areas are IoT, GPS/GSM, Bluetooth, NFC, RF, Mixed Sensors, Robotics, Bio-Medical, SMD Circuits, Wearable, Microcontrollers, 3D Print, OFC, Solar, Automotive , PCB Design, PCBA, Mechatronics, Industrial Control Circuits. Visit - www.compudrivesystem.com for our Profile.



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Hello! Today A Small Circuit To Detect Mobile Phone Activity Detector range 3-4 Mtrs. Contact US for Professional Circuit Design, Our Domain Areas In Prototype Development are IoT, GPS/GSM, Bluetooth, NFC, RF, Mixed Sensors, Robotics, Bio-Medical Instrument, SMD Circuits, Wearable, Micro-Controller Based Development, 3D Print, OFC Applications, Solar, Automotive, PCB Design, PCBA, Mechatronics, Industrial Control Automation Circuits, HMI. Visit www.compudrivesystem.com for our Profile. Call +91 9831092629.



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Hello Friends! Today A Small Circuit To Generate Sparks Using Igination Coil. We are into Professional Electronics Circuit Design and Prototype Development works since Last 3 Decades across the Globe. Call US for developing your Ideas to product at +91 9831092629. Visit www.compudrivesystem.com for our profile.



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A Simple and wonderful application of 8 Bit Static Shift Register IC 4021. We do Professional Electronics Circuit Design and Prototype Development works since Last 3 Decades across the Globe. Call US at +91 9831092629. Visit www.compudrivesystem.com for our profile.



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Hope Every One Had A Nice Diwali, So my today's post is related to Light & LED. A Good Circuit Based on MAX7219 to Drive 8*8 LED Matrix. The Serial Data Can Be Given Using Any MCU. We do Professional Electronics Circuit Design and Prototype Development works since Last 3 Decades across the Globe. Call US at +91 9831092629. Visit www.compudrivesystem.com for our profile.



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For College Students a useful circuit a serial Port with MCU interface. We are into Professional Electronics Circuit Design and Prototype Development Domain Since Last 3 Decades, across the Globe. Call US at +91 9831092629. Visit: www.compudrivesystem.com for our profile.



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Hello Friends! Today I am uploading a Simple Hi-Frequncy 12V Battery Operated Coil Heater Circuit. We are into Professional Electronics Circuit Design and Prototype Development Domain Since Last 3 Decades, across the Globe. Call US at +91 9831092629. Visit: www.compudrivesystem.comfor our profile.



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Today A High Efficient LED torch Circuit Using MAX660. The MAX660 CMOS charge-pump voltage converter is a versatile unregulated switched-capacitor inverter or doubler. We are into Professional Electronics Circuit Design and Prototype Development Domain Since Last 3 Decades, across the Globe. Call US at +91 9831092629. Visit: www.compudrivesystem.com for our profile.

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Hello Friends!, Today A Simple Circuit Based On Op-Amp IC 741, Automatic Light Control with Trigger Threshold Adjust. You can contact US for Professional Circuit Design, Our Domain areas are IoT, GPS/GSM, Bluetooth, NFC, RF, Mixed Sensors, Robotics, Bio-Medical, SMD Circuits, Wearable, Microcontrollers, 3D Print, OFC, Solar, Automotive , PCB Design, PCBA, Mechatronics, Industrial Control Circuits. Visit www.compudrivesystem.com for our Profile.



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Hello Friends! Today a simple circuit on multiple bell switch. You can contact me for Professional Circuit Design Our Domain areas are IoT (Internet of Things), GPS / GSM, Bluetooth, NFC, RF, Mixed Sensors, Robotics, Bio-Medical Instruments & Applications, Analog & Digital Circuit Design, Micro SMD Circuits, Wearable, Microcontrollers, 3D Print, CAD designing, OFC, Solar, Automotive Electronics, PCB Design, PCBA, Mechatronics, Industrial Control Circuits and Re-engineering of Industrial Electronics Circuits. Visit- www.compudrivesystem.com for our Profile.



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Today I am posting a conceptual H-Drive Circuit Idea which has 100's of application in DC & AC circuits. Call us for electronic circuit diagram and prototype development in any domain across the globe. Visit www.compudrivesystem.com for more circuits.



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Hello Friends! Today is the last circuit for this week, next Monday we will be back till then Happy Durga Puja To ALL.
Today's circuit is a simple temperature balancing USING 741 opamp. So everyone have a enjoyable week With MAA DURGA. Contact Me for any professional circuit design / prototype development. Visit www.compudrivesystem.com for more circuits.



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Today a small circuit to understand fundamental functioning of LM3914. Call Me at +91 9831092629 for any electronics circuit design / prototype development. Visit www.compudrivesystem.com for my company profile & loads of circuits for engineering and hobbyist friends.



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Today's circuit is voltage converter from 12V car battery to 3.5V, 1 watt used to drive LED. Visit www.compudrivesystem.com for my company profile and hundreds of useful circuits.



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Hi! Engineering Friends. Lets start the week with a Digital Toggle Switch Circuit, Single bell switch to put a circuit on / off. Visit www.compudrivesystem.com for my company profile and more interesting circuits and ideas. Call me at +91 9831092629 for any prototype development or circuit design.



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Today a small circuit to control DC motor direction. For more circuits and circuit ideas visit www.compudrivesystem.com. Don't feel shy to like, share and comment, If you like my regular effort. That's a energy tablet to me.



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Hi! friends, A very useful conceptual circuit design to indicate a fuse blown in a 12V line. Visit www.compudrivesystem.com for more circuits and my company profile. Get in touch with me at +91 9831092629 for any circuit / product design at a reasonable price. We shape your dreams into product.



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Today's Circuit is again a interesting one, It's Quiz Control Circuit based on Timer 555 for 3 groups. We are a company based in Kolkata India undertaking Electronics Circuit Design and PROTOTYPE design job works across the globe. Visit www.compudrivesystem.com for our company profile and hundreds of circuit & ideas for young engineering students.



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Hello Friends, Today I am posting a important regulator circuit. LM2596 DC-DC BUCK Converter, with 40V Input and 1.2V to 35V adjustable Output with 3A current handling, A very useful regulator for normal usage. For any professional level paid circuit design do call +91 9831092629 or visit www.compudrivesystem.com for my company profile.



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Today I am posting a very sensitive sound activated switch based on timer IC 555 and audio sensor as piezo. Do contact US at www.compudrivesystem.com for any Circuit Design and prototype development job works worldwide.



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Today I am posting a small circuit based on Mosquito Repellent circuit. We into electronics circuit design and prototype development works across the globe. Visit www.compudrivesystem.com for my company profile and for more interesting circuits.



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2 transistor BF199 based FM circuit. Please everyone find the fault in the circuit.



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Hi! Friends today a time delay circuit after a switch on based on the value of C5 and Resistance R2. For more useful circuit's visit www.compudrivesysem.com.



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My dear friends from the world of electronics, thanks for your love and respect, today a concept of free energy...try it, it's a wonderful concept. Compu Drive System a world wide name in designing electronics circuit & prototype development. Visit www.compudrivesystem.com for my company profile.



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Dear electronics friends, today I am again there with a very small and useful circuit Static Electricity Detector based on timer NE555 and N Channel MOSFET. Contact Me At +91 9831092629 For Any Circuit #Design#PrototypeDesign & #Development Work Across The Globe. Visit www.compudrivesystem.com for more circuits.



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Hello Friends!! again a very important circuit, Low voltage cut off circuit, Hi! what should be the Zener Diode voltages to cut off at 9V? Call at +91 9831092629 for any paid circuit design and prototype development works in electronics and mechatronics. Visit www.compudrivesystem.com for my company profile and lot many free circuits.



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A small circuit concept of security multiple inputs, the output can be feed to a MCU with a tricky code. I am a professional circuit designer and mentor to electronics, call me at +91 9831092629 for any prototype design and development or visit my website for more circuits and my company details www.compudrivesystem.com.



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Hello Friends!! A simple & small circuit based on touch sensor bell alarm. Visit www.compudrivesystem.com for more circuits.



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Hello friends, today a important circuit analog decoded switch a very widely used circuit in industry and small applications. Contact Me At +91 9831092629 For Any Circuit