https://www.electronicsforu.com World's go-to platform for electronics and embedded design, news and development Tue, 23 Sep 2025 12:03:23 +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/li-fi-project-data-transmission https://www.electronicsforu.com/electronics-projects/li-fi-project-data-transmission#respond Wed, 03 Sep 2025 11:20:48 +0000 https://www.electronicsforu.com/?p=172363 Light fidelity (Li-Fi) is a widely adopted form of wireless communication that uses optical energy to verify device functionality. A key challenge lies in establishing communication between two heterogeneous devices over extended distances, especially under full daylight conditions. To capture the laser module’s intermittent light transmission on video, the BITDELAY is intentionally set to 10ms. […]]]> https://www.electronicsforu.com/electronics-projects/li-fi-project-data-transmission/feed 0 https://www.electronicsforu.com/electronics-projects/airpod-standalone-fm-earbud https://www.electronicsforu.com/electronics-projects/airpod-standalone-fm-earbud#respond Wed, 03 Sep 2025 11:12:19 +0000 https://www.electronicsforu.com/?p=172331 Earlier in this series, a compact FM radio was created using a touch display. From there, the design moved forward with an FM radio integrated into an earbud—though that version had a limitation: the earbud had to be reprogrammed each time the channel needed to be changed. Now, the design journey continues with a fully […]]]> https://www.electronicsforu.com/electronics-projects/airpod-standalone-fm-earbud/feed 0 https://www.electronicsforu.com/electronics-projects/object-recognition-distance-measurement-using-raspberry-pi https://www.electronicsforu.com/electronics-projects/object-recognition-distance-measurement-using-raspberry-pi#respond Wed, 03 Sep 2025 10:47:35 +0000 https://www.electronicsforu.com/?p=172400 Imagine a vehicle cruising at 54 kilometres per hour, roughly the speed of an object moving 0.5 metres per frame at 30 frames per second (0.5×30×3.6=54 km/hr). Mounted on the vehicle’s roof is a compact, high-performance vision system built around a Raspberry Pi 5 board and a Hailo-8L AI accelerator. This real-time setup detects objects […]]]> https://www.electronicsforu.com/electronics-projects/object-recognition-distance-measurement-using-raspberry-pi/feed 0 https://www.electronicsforu.com/electronics-projects/compact-ac-dc-converter-design https://www.electronicsforu.com/electronics-projects/compact-ac-dc-converter-design#respond Wed, 03 Sep 2025 09:57:05 +0000 https://www.electronicsforu.com/?p=172379 The increasing use of IoT devices and smart appliances has driven demand for compact and efficient power solutions. Traditional AC-DC converters tend to be bulky, fixed-voltage, and often inefficient. This module offers a compact AC-DC solution with over 75% efficiency and selectable output, ideal for IoT systems and small appliances. POC Video Tutorial The circuit […]]]> https://www.electronicsforu.com/electronics-projects/compact-ac-dc-converter-design/feed 0 https://www.electronicsforu.com/electronics-projects/compact-buck-converter-wearables-iot https://www.electronicsforu.com/electronics-projects/compact-buck-converter-wearables-iot#respond Sat, 02 Aug 2025 06:11:25 +0000 https://www.electronicsforu.com/?p=169802 A buck converter is a DC-DC power device that efficiently steps down a voltage to a lower level. It uses an inductor, resistors, and a capacitor to regulate the output, making it particularly suitable for wearable electronics and IoT devices. This project is covered by the following Open Source license: Creative Commons Non-Commercial Similar Adaptations. […]]]> https://www.electronicsforu.com/electronics-projects/compact-buck-converter-wearables-iot/feed 0 https://www.electronicsforu.com/electronics-projects/astra-advanced-satellite-for-telemetry-remote-access https://www.electronicsforu.com/electronics-projects/astra-advanced-satellite-for-telemetry-remote-access#respond Sat, 02 Aug 2025 05:49:54 +0000 https://www.electronicsforu.com/?p=169872 Advanced Satellite for Telemetry and Remote Access (ASTRA) is a CubeSat model designed to offer hands-on experience in satellite technology. It serves as a practical platform for learning and innovation in space systems. POC Video Tutorial While conventional education often leans heavily on theory, it can leave students underprepared for real-world engineering challenges. ASTRA addresses […]]]> https://www.electronicsforu.com/electronics-projects/astra-advanced-satellite-for-telemetry-remote-access/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/hardware-diy/earbud-size-fm-radio https://www.electronicsforu.com/electronics-projects/hardware-diy/earbud-size-fm-radio#respond Fri, 01 Aug 2025 11:04:03 +0000 https://www.electronicsforu.com/?p=169823 In the June issue, the construction of a ‘Miniature Watch-Style FM Radio’ delivering stereo FM output was described. Building on that concept, the next objective was to create an even smaller FM radio compact enough to fit inside an earbud. However, the complete design proved too complex for a single article and is therefore being […]]]> https://www.electronicsforu.com/electronics-projects/hardware-diy/earbud-size-fm-radio/feed 0 https://www.electronicsforu.com/electronics-projects/smoking-alert-system https://www.electronicsforu.com/electronics-projects/smoking-alert-system#respond Thu, 31 Jul 2025 12:12:39 +0000 https://www.electronicsforu.com/?p=166817 Over the past few years, smoking prevalence among adults in India fell from 14.0% (2009-2010) to 10.7% (2016-2017), thanks to public smoking bans, advertising its harms, and higher taxation. Despite this, tobacco use remains high—particularly smokeless varieties—and occasional public smoking still occurs in parks, train toilets, and office cabins. This system deploys an automated detector […]]]> https://www.electronicsforu.com/electronics-projects/smoking-alert-system/feed 0 https://www.electronicsforu.com/electronics-projects/home-automation-esp32 https://www.electronicsforu.com/electronics-projects/home-automation-esp32#respond Wed, 30 Jul 2025 13:18:00 +0000 https://www.electronicsforu.com/?p=167585 In today’s era of the Internet of Things (IoT), smart home automation has evolved from being a luxury to an accessible and essential part of modern living. This project demonstrates a scalable and real-time home automation system built around the powerful IndusBoard Coin, a compact development board based on the ESP32-S2 microcontroller. The system allows […]]]> https://www.electronicsforu.com/electronics-projects/home-automation-esp32/feed 0