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If you’ve ever worked with N20 gear motors, you already know the struggle—adding an external motor driver module increases wiring, takes up space, and makes your design messy. In t...
Many electronic circuits require a voltage higher than the available power supply. For instance, when only a 12V battery or adaptor is available but a circuit requires 20V to 24V,...
This FM radio receiver project demonstrates the practical application of RF engineering and analog signal processing principles. Designed to operate within the standard Very High F...
Measuring the speed of a rotating object is a common requirement. Knowing the speed of table and ceiling fans, as well as kitchen appliances such as mixers and grinders, can often...
Drones are widely used across several fields, including aerial photography, surveying, inspection, agriculture, and recreation. Despite their growing importance, many drones develo...
The rotary switch-selectable timer for industrial and domestic applications is designed as a robust and practical timing device for systems that require fixed delays with minimal u...
Many IoT (the Internet of Things) devices require a reliable secondary power backup. If the primary supply or battery is depleted or suddenly disconnected, the device must still co...
Nuclear leakage detection and radiation monitoring have become critical as the world generates increasing amounts of nuclear waste. Almost every country produces nuclear waste, whe...
Controlling a robot with direction, speed, individual wheel movement, and more through a single FPC wire makes the overall design compact and efficient. The system can also be conf...
Earlier, we designed a smart energy meter that used a current sensor to measure current. In that version, we manually set the voltage range to calculate power usage and generate bi...
An audio spectrum analyser is an electronic instrument or device that measures and displays the amplitude of an input signal as a function of frequency. It provides a visual repres...
Flash Bee is an easy-to-make DIY handheld lightning detector based on off-the-shelf parts such as the XIAO ESP32C3 board and the Round Display for XIAO, as well as a 3D-printed enc...
Espressif yourself.
Electrical circuits have always been a mystery to me. Those tiny components that look like Chiclets or jewelry beads somehow make a light blink, produce music, and detect motion. S...
An earlier version of this automatic gateman system, built around a camera-based design, was published on the Electronics For You website and can be accessed here. That system used...
This project is an automatic light-activated LED strip controller using an LDR, LM311 comparator, and NE555 timer. The LDR senses ambient light and, along with preset controls, set...
Automatic lighting systems are widely used to improve energy efficiency and convenience in residential and commercial applications. The presented auto dusk-todawn LED strip on/off...
In this project, we'll construct and test a microcontroller-based system that digitally generates analog signals.
Developed in the mid-1970s, National Semi’s LM386 collapsed a complete audio output stage into a single DIP-8 package running off a 9-V battery—and it became the first amplifier mo...
A ready-to-use reference design that helps engineers quickly develop reliable, compact, and efficient isolated DC-DC power supplies with reduced design complexity and faster time-t...
In today’s digital landscape, seamless connectivity and communication are essential for the smooth operation of various electronic devices. The USB to Serial TTL Converter with a...
A reference platform allows you to compare wired and wireless battery management architectures for EV battery packs with cell monitoring, balancing, and communication support. Texa...
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