https://www.electronicsforu.com World's go-to platform for electronics and embedded design, news and development Wed, 10 Sep 2025 04:53:42 +0000 en-GB hourly 1 https://wordpress.org/?v=6.8.2 https://www.electronicsforu.com/wp-contents/uploads/2016/03/cropped-Screen-Shot-2016-03-07-at-13.29.14-1-1-32x32.png https://www.electronicsforu.com 32 32 https://www.electronicsforu.com/electronics-projects/433mhz-wireless-relay-switch https://www.electronicsforu.com/electronics-projects/433mhz-wireless-relay-switch#respond Wed, 03 Sep 2025 10:07:37 +0000 https://www.electronicsforu.com/?p=172312 This cost-effective 433MHz wireless relay switch circuit allows remote relay control using an RF transmitter and receiver module. It is ideal for scenarios where wired connections are impractical or undesirable, such as remote lighting, wireless home automation, garage door control, or DIY IoT devices. The system utilises a widely available, low-cost 433MHz RF transmitter-receiver pair. […]]]> https://www.electronicsforu.com/electronics-projects/433mhz-wireless-relay-switch/feed 0 https://www.electronicsforu.com/electronics-projects/emg-based-wrong-posture-muscle-strain-detector https://www.electronicsforu.com/electronics-projects/emg-based-wrong-posture-muscle-strain-detector#respond Mon, 23 Jun 2025 12:16:00 +0000 https://www.electronicsforu.com/?p=71117 Due to excessive fatigue, bone fracture or any other injury, our bodies at times experience muscle aches. In order to heal fast, doctors advise restricting the stretching of certain muscles and keeping them at rest as much as possible. So today, we are going to make a smart Wrong Posture and Muscle Strain Detector device […]]]> https://www.electronicsforu.com/electronics-projects/emg-based-wrong-posture-muscle-strain-detector/feed 0 https://www.electronicsforu.com/electronics-projects/low-cost-drone-powered-by-esp32-cam https://www.electronicsforu.com/electronics-projects/low-cost-drone-powered-by-esp32-cam#comments Sat, 21 Jun 2025 07:24:00 +0000 https://www.electronicsforu.com/?p=65518 A low-cost drone equipped with a camera opens up many new possibilities with respect to its applications, such as crop monitoring, video surveillance and recording, and many more. However, such drones come at a very high cost (5 to 10 times more expensive) and also have limited functionalities concerning AI, ML, or image processing.  So […]]]> https://www.electronicsforu.com/electronics-projects/low-cost-drone-powered-by-esp32-cam/feed 3 https://www.electronicsforu.com/electronics-projects/automatic-contactless-switch-for-smart-home https://www.electronicsforu.com/electronics-projects/automatic-contactless-switch-for-smart-home#comments Sun, 08 Jun 2025 06:54:00 +0000 https://www.electronicsforu.com/?p=65275 In this article, we’ll create a touch-free switch that uses particular hand gestures to operate domestic appliances such as lights and fans. This smart switch employs a gesture-detecting sensor to read hand gestures and transform them into commands. To begin with, for our smart contactless switch, we’ll need the following materials: Bill of Materials Let’s […]]]> https://www.electronicsforu.com/electronics-projects/automatic-contactless-switch-for-smart-home/feed 43 https://www.electronicsforu.com/electronics-projects/eee-projects-ideas https://www.electronicsforu.com/electronics-projects/eee-projects-ideas#comments Mon, 26 May 2025 09:30:00 +0000 https://www.electronicsforu.com/?p=25142 Engineers are always in search of new electrical project ideas, and finding meaningful projects makes that search worthwhile. Listed below are the latest electrical projects for engineering students. Many of them may deal with a higher power than electronics engineers are accustomed to, hence the emphasis on safety first. These hand-picked innovative Electrical Projects are […]]]> https://www.electronicsforu.com/electronics-projects/eee-projects-ideas/feed 81 https://www.electronicsforu.com/electronics-projects/two-digit-counter https://www.electronicsforu.com/electronics-projects/two-digit-counter#respond Tue, 01 Apr 2025 11:10:17 +0000 https://www.electronicsforu.com/?p=160156 A two digit counter is an electronic device that counts from 00 to 99 and displays the count on two 7-segment displays. With each clock pulse, the displayed value increments, resetting to 00 after reaching 99. The first decade counter controls the units digit, while the second manages the tens. POC Video Tutorial This configuration […]]]> https://www.electronicsforu.com/electronics-projects/two-digit-counter/feed 0 https://www.electronicsforu.com/electronics-projects/hardware-diy/vehicle-number-plate-detection-using-matlab https://www.electronicsforu.com/electronics-projects/hardware-diy/vehicle-number-plate-detection-using-matlab#comments Thu, 13 Feb 2025 08:38:00 +0000 https://www.electronicsforu.com/?p=71639 The project presented here can be used to detect a vehicle’s number plate from the images stored in a database. That is, it aims at detecting the license plate of a vehicle and then extracting the information regarding that vehicle using MATLAB software, as shown in Fig. 1. The purpose of motor vehicle registration by […]]]> https://www.electronicsforu.com/electronics-projects/hardware-diy/vehicle-number-plate-detection-using-matlab/feed 7 https://www.electronicsforu.com/electronics-projects/hardware-diy/fire-extinguishing-robot https://www.electronicsforu.com/electronics-projects/hardware-diy/fire-extinguishing-robot#comments Wed, 08 Jan 2025 16:45:00 +0000 https://www.electronicsforu.com/?p=7928 Fire has always been important to human progress, yet it may be harmful if not handled. While firefighters combat massive flames, early intervention at home can often avoid serious accidents. This project describes the creation of a prototype fire-extinguishing robot that intends to combat domestic fires in their early phases. Fire Fighting Robot – Circuit […]]]> https://www.electronicsforu.com/electronics-projects/hardware-diy/fire-extinguishing-robot/feed 12 https://www.electronicsforu.com/electronics-projects/hardware-diy/soccer-robot https://www.electronicsforu.com/electronics-projects/hardware-diy/soccer-robot#comments Sat, 04 Jan 2025 19:51:00 +0000 https://www.electronicsforu.com/?p=6136 This soccer robot can move forward, reverse, forward-left, forward-right, reverse-left and reverse-right with the help of an Android phone.]]> https://www.electronicsforu.com/electronics-projects/hardware-diy/soccer-robot/feed 5 https://www.electronicsforu.com/electronics-projects/arduino-based-wireless-frequency-meter https://www.electronicsforu.com/electronics-projects/arduino-based-wireless-frequency-meter#comments Thu, 28 Nov 2024 18:22:00 +0000 https://www.electronicsforu.com/?p=57806 This project demonstrates an Arduino-powered wireless frequency meter that can measure the frequency of sinusoidal AC transmissions ranging from 50Hz to 3kHz. Figures 1 and 2 show prototype representations of the transmitter and receiver, respectively. The block diagrams of the transmitter and receiver sides are shown in Figs 3 and 4, respectively. Wireless Frequency Meter […]]]> https://www.electronicsforu.com/electronics-projects/arduino-based-wireless-frequency-meter/feed 6