I have compiled a complete list of categories on this website to help you quickly find and navigate the electronic circuits you're looking for. Let’s get started.
Arduino Projects for Engineers
In this category I have introduced comprehensive Arduino circuit designs for EEE and BE students. These include detailed explanations, images, and online support, which are ideal for final year projects, hobbyists, and engineers. READ MORE...
Audio and Amplifier Projects
In this category, I have written articles on Hi-fi amplifier designs ranging from 3W USB to 1200W for live performance, which discusses tone generator and power amplifier circuits for various applications such as horns, alarms, bells, music, sound etc. READ MORE...
Automation Projects
In this section, I will help you learn how to build a range of automation circuits, from simple LED blinking to complex motion detection. We will learn through clear visuals and my hands-on experience, to develop a strong foundation in automation concepts for future innovation. READ MORE...
Automobile Projects
In this category, I have presented articles through which you can explore the electronic circuits used in most modern vehicles. From cars to two-wheelers, today's automobiles work with complex electronic systems. Discover the latest automotive electronic circuits to enhance your travel experience in your vehicles. READ MORE...
Battery Charger Circuits
In this category, I have discussed over 100 well-researched automatic battery charger circuits (6-48V). Using these circuit designs you can ensure safe, optimal charging of your batteries with precise voltage regulation. READ MORE...
Datasheets and Components
In this category, I have explained you comprehensive component datasheets to ensure your project success. Critical parameters like voltage, frequency, impedance, and temperature range are detailed in these datasheets which are ideal for hobbyists, students, and engineers alike. Here, I will help you to create a strong theoretical foundation for successful electronics projects. READ MORE...
Electronics Tutorials
These electronic tutorials under this category are researched by me on BJTs, MOSFETs, capacitors, resistors, logic devices, LEDs, all in one place.
If you have trouble understanding any of these principles, just leave a comment and I will be most happy to guide you through with the explanations. READ MORE...
Free Energy Projects
In these posts, we will discuss devices claiming to produce more energy than consumed. We will go deep into the history of free energy research and explore experimental circuits, which challenge conventional energy laws and investigate unconventional energy sources. READ MORE...
Disclaimer: Free energy remains a highly debated topic. Scientific consensus supports the law of conservation of energy.
Games and Sports Circuits
Through this category I will help you to build interactive game and sports gadgets, with detailed circuit diagrams for creating exciting electronics projects. Let us turn our hobbies into hands-on creations. READ MORE...
Grid and 3-Phase Circuits
Are you interested to understand the fundamentals of 3-phase power systems? In this category I will help you to learn about symmetrical power distribution, phase relationships, and the role of the neutral point. We will together explore the core concepts of grid electricity supply. READ MORE...
Health-Related Circuits
Are you looking to build DIY health monitoring devices? In this category I have presented many health related circuits such as heart rate sensors, health trackers, and more. These articles will help you to learn basic electronics for practical applications in healthcare. READ MORE...
Disclaimer: These projects are for educational purposes only. Consult a healthcare professional for medical advice.
Home Electrical Circuits
In this section I have discussed articles which you can use to enhance home safety and comfort with practical electrical circuits. Here, I will enlighten you about voltage protection, overload prevention, and theft deterrence systems such as ELCB designs, automatic voltage cut-offs, and sensor-based security solutions. READ MORE...
Indicator Circuits
Do you want to master the art of visual feedback? In this category I get the opportunity to help you to learn how to design and troubleshoot LED, lamp, and relay-based indicator circuits, so that you can understand circuit behavior and create clear, informative LED and lamp displays. READ MORE...
Inverter Circuits
In this category I am happy to provide you with a comprehensive collection of DC-to-AC inverter circuit designs. From small-scale 12V battery inverters (100-500W) to high-power solutions (1000-5000W), we will explore various topologies and specifications for efficient power conversion. READ MORE...
Lamp and Light Circuits
The posts included under this category are written by me which mainly discusses power of LEDs with practical circuit designs to drive these LEDs. Here I will try my best to teach you how to build energy-efficient LED bulbs and get the benefits of long-lasting, high-brightness illumination. You will also learn about LED characteristics, circuit components, and assembly techniques so that you can reduce your electricity bills while enhancing your living space. READ MORE...
Meter and Tester Circuits
I this category I have posted articles which might help you to build your own essential test equipment. Let's all learn how to construct analog and digital multimeters using op-amps, discrete ICs, or Arduino-based designs. Here we gain a deep understanding of measurement principles and techniques, which may be essential for any electronics enthusiast or professional. READ MORE...
Mini Circuit Projects
Are you looking for simple, fun, and educational circuits using your junk box basic components, that may be ideally suitable for beginners? In this category we will explore a variety of projects using transistors, resistors, capacitors, and popular ICs like 555 timers, 741 op-amps, and LM324, and learn electronics fundamentals while creating practical circuits. READ MORE...
Motor Controller Circuits
The articles included in this category explores the intricacies of motor control systems. Here, I will be happy to help you learn about PWM-based speed regulation, motor types (brushed, brushless, induction), and control techniques. You will understand motor related challenges like noise suppression and the role of feedback mechanisms, and advanced topics like field winding control and brushless motor commutation. READ MORE...
Oscillator Circuits
In this section I will guide you and help you to create your own electronic waveform generators circuits. From basic principles to hands-on projects, we will together discover how oscillators transform DC power into pulsating AC/DC signals. You can find out different types of oscillator circuit diagrams, with real-world applications. READ MORE...
Circuits for Pets and Pests
Are you looking for innovative electronic solutions to manage pests without harmful chemicals. No worries, I am here to explain you how to build your own ultrasonic repellents, motion-activated deterrents, and other devices to protect your home and garden. Also, you will come across circuits designed to be safe for pets and enhance their living environment. READ MORE...
Power Supply Circuits
Through the articles presented in this category, you can master the technology of power conversion. Let me help you to learn how to build AC-to-DC adapters using both traditional transformer-based and modern switch-mode power supply (SMPS) techniques. Here you will explore compact, lightweight, and efficient designs and get a comprehensive understanding of power supply fundamentals and practical implementation. READ MORE...
Remote Control Circuits
Do you want to add excitement and convenience to your projects with remote control capabilities. In this category we will learn to build our own wireless systems using step-by-step guides and circuit diagrams. Let's master infrared, radio frequency, Bluetooth systems, from simple on/off control to complex multi-channel remote control operations. READ MORE...
Security and Alarm Circuits
In this category I am happy to provide you with articles discussing comprehensive range of security and alarm circuits designed to safeguard your home from various threats. From intrusion detection to electrical safety, you can find practical circuits for, Intrusion detection, Electrical safety, Environmental monitoring, Animal and pest control etc. READ MORE...
Sensors and Detectors
In this section we will explore a wide range of sensor based circuit diagrams, such as, Motion sensors, Temperature sensors, Light sensors, Gas sensors, Pressure sensors, Proximity sensors, And many more!
In this category I will show you how to interface sensors with microcontrollers and build practical projects. From simple light-activated switches to complex environmental monitoring systems, the possibilities are endless. READ MORE...
Solar Controller Circuits
Do you want to master the basics of how to harness renewable energy with practical circuit designs? In this category I have written articles which will help you to comprehensively learn regarding solar and wind power, battery charging, and innovative energy sources like kinetic and acoustic power generation. Let's find out how to build efficient solar chargers and inverters. READ MORE...
Temperature Controller Circuits
In this category I will try to help you to become an expert with the art of precise temperature control. Here you will learn to design circuits using triacs, SCRs, and thermostats for precise heating regulation, and explore thermistor and thermocouple-based sensing for accurate temperature feedback. We will together build systems for various applications, from resistive heaters to industrial processes. READ MORE...
Timer and Delay Relay Circuits
Are you interested to learn more about precise timing control with relay-based circuits. In this category I have put my efforts to create circuits for a variety of timer designs, from simple RC-based delays to advanced microcontroller-controlled systems. Let's together learn how to integrate timers with relays for practical applications like automation, security, and control systems, and build custom time-based solutions for our projects. READ MORE...
Transmitter Circuits
In this category, the articles are dedicated to the world of wireless communication with FM transmitter circuits. I have personally tested and discussed the procedures regarding how to build devices that can send signals without using wires and physical connections. Let's find out the fundamentals of wireless technology and create our own FM transmitters. READ MORE...
Voltage Control and Protection Circuits
Do you want to learn how to design circuits that can maintain stable voltage levels and protect against voltage and current surges? Sure, I will help you to get a comprehensive understanding of voltage control and protection principles with practical circuit examples, so that you can protect your devices and enhance system reliability. READ MORE...
Water Controller Circuits
Are you not sure how to efficiently manage water levels in tanks of all sizes?? Look no further! In this category I will help you to build reliable circuits for automatic pump control. Now you can get an in-depth knowledge regarding how to utilize sensors to monitor water levels and prevent overflow or underflow. These specially designed circuits are ideally suited for homes, apartments, and industrial applications so that you can optimize water usage and prevent wastage. READ MORE...