https://www.electronicsforu.com World's go-to platform for electronics and embedded design, news and development Thu, 18 Sep 2025 09:59:51 +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/raspberry-pi-fm-transmitter https://www.electronicsforu.com/electronics-projects/raspberry-pi-fm-transmitter#respond Wed, 17 Sep 2025 09:24:11 +0000 https://www.electronicsforu.com/?p=173212 The Raspberry Pi, a versatile single-board computer, can be transformed into a functional FM transmitter without the need for any separate transmitter HAT or additional hardware. This is achieved by leveraging the Pi’s built-in peripherals, such as the general clock output or PWM (Pulse Width Modulation) generator, to produce VHF (Very High Frequency) signals in […]]]> https://www.electronicsforu.com/electronics-projects/raspberry-pi-fm-transmitter/feed 0 https://www.electronicsforu.com/electronics-projects/motion-led-controller https://www.electronicsforu.com/electronics-projects/motion-led-controller#respond Sat, 02 Aug 2025 05:37:12 +0000 https://www.electronicsforu.com/?p=169862 Decorative lighting has become quite popular, with options such as LED surface panels, strip lights, COB lights, spotlights, and profile lights that are widely used in residential and other interior design. Lighting choices vary based on client needs, offering flexibility to both homeowners and designers. This smart lighting controller serves as a chasing panel solution […]]]> https://www.electronicsforu.com/electronics-projects/motion-led-controller/feed 0 https://www.electronicsforu.com/electronics-projects/air-conditioner-power-saver-circuit https://www.electronicsforu.com/electronics-projects/air-conditioner-power-saver-circuit#respond Fri, 01 Aug 2025 11:37:48 +0000 https://www.electronicsforu.com/?p=169845 This air-conditioner (AC) power saver circuit can control the operation of two separate AC units, reducing energy consumption during preset periods and cutting overall load and electricity bills. Compact and cost-effective, it is especially useful for large rooms or halls where two ACs are installed, enabling load balancing and energy savings without compromising comfort. Fig. […]]]> https://www.electronicsforu.com/electronics-projects/air-conditioner-power-saver-circuit/feed 0 https://www.electronicsforu.com/electronics-projects/automatic-anchor-light https://www.electronicsforu.com/electronics-projects/automatic-anchor-light#comments Mon, 23 Jun 2025 11:11:00 +0000 https://www.electronicsforu.com/?p=20062 Federal and international regulations require boats to carry lights between sunset and sunrise and during conditions of restricted visibility. The number and colours of the lights vary with the size of the vessel. Many commercial vessels carry special lights that identify them to others. This is important because the right-of-way depends on the types of […]]]> https://www.electronicsforu.com/electronics-projects/automatic-anchor-light/feed 8 https://www.electronicsforu.com/electronics-projects/automatic-evening-light-timer https://www.electronicsforu.com/electronics-projects/automatic-evening-light-timer#respond Mon, 02 Jun 2025 13:30:10 +0000 https://www.electronicsforu.com/?p=164315 Designing a circuit to switch on a light at dusk and off at dawn is straightforward, and many such designs have been featured in EFY. However, lights controlled this way remain on all night, resulting in wasted electricity and reduced lamp lifespan. In most homes and business premises, outdoor lights are turned on at dusk […]]]> https://www.electronicsforu.com/electronics-projects/automatic-evening-light-timer/feed 0 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/blind-stick-without-code https://www.electronicsforu.com/electronics-projects/blind-stick-without-code#respond Thu, 01 May 2025 11:32:19 +0000 https://www.electronicsforu.com/?p=162096 A stick for the blind proposed here is an assistive device that helps visually impaired individuals navigate safely. It features an infrared (IR) sensor that detects obstacles and activates a buzzer to alert the user. A 9V battery powers the circuit for convenient operation. Lightweight and portable, the stick enhances mobility by providing real-time feedback […]]]> https://www.electronicsforu.com/electronics-projects/blind-stick-without-code/feed 0 https://www.electronicsforu.com/electronics-projects/diy-doppler-radar-speed-detector https://www.electronicsforu.com/electronics-projects/diy-doppler-radar-speed-detector#respond Thu, 01 May 2025 11:28:44 +0000 https://www.electronicsforu.com/?p=162081 Measuring the speed of moving vehicles and objects is critical for ensuring road safety, conducting traffic analysis, and supporting research applications. Conventional systems are often bulky or costly, whereas current requirements emphasise compact, efficient, and affordable alternatives. This system offers a portable, wireless speed detection solution based on the Doppler effect. It analyses frequency shifts […]]]> https://www.electronicsforu.com/electronics-projects/diy-doppler-radar-speed-detector/feed 0 https://www.electronicsforu.com/electronics-projects/pwm-signal-isolation-module https://www.electronicsforu.com/electronics-projects/pwm-signal-isolation-module#respond Thu, 01 May 2025 10:39:07 +0000 https://www.electronicsforu.com/?p=162138 This PWM (pulse width modulation) signal isolation module is built around the widely adopted 6N137 high-speed optocoupler. The device combines a high-efficiency input LED with an integrated optical photodiode detector IC to ensure robust signal isolation. The advanced 6N137 variants incorporate an open drain NMOS transistor output (photodetector logic gate), offering lower leakage than traditional […]]]> https://www.electronicsforu.com/electronics-projects/pwm-signal-isolation-module/feed 0 https://www.electronicsforu.com/electronics-projects/ai-helmet-detection-system https://www.electronicsforu.com/electronics-projects/ai-helmet-detection-system#respond Thu, 01 May 2025 10:06:11 +0000 https://www.electronicsforu.com/?p=162109 In industrial settings, safety helmets are a critical element of personal protective equipment (PPE), acting as the final barrier when other measures fail. Safety departments enforce PPE rules across process plants, especially among large numbers of contract workers. While training builds hazard awareness, studies show supervision plays a stronger role in accident prevention. To address […]]]> https://www.electronicsforu.com/electronics-projects/ai-helmet-detection-system/feed 0