Electronics
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The Negotiator II: A PCB Business Card Built to Unlock 48V Power Delivery From Any USB-C Charger Electronics and mechanical engineer Anas Malas has redefined networking hardware with The Negotiator II, a smart printed circuit board (PCB) business card that doubles as a portable USB Power Delivery (USB PD 3.1) lab power supply. Measuring just 2 mm thick, the wallet-sized card features nearly 200 surface-mount LEDs, dual USB-C ports, and live telemetry displays for voltage, current, and… |
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This ESP32-S3 Real Life Color Picker Brings the Digital Eyedropper to the Real World With RGB and HEX Values Tech Talkies Youtube channel has built a handheld color picker using the ESP32-S3 that can scan the color of a real-world object and show its RGB and HEX values on a small display. Users can point the device at a surface, capture its color, and see the result without relying on a phone camera or computer. This makes it useful for designers, makers, artists, and anyone who wants to quickly… |
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This ESP32-P4 Turns a DJ Controller Into a Laptop-Free DJ System With Two Music Decks and Audio Mixing A maker has built a standalone DJ system using the ESP32-P4, allowing a Pioneer DDJ-FLX4 DJ controller to work without a laptop running DJ software. The open-source Pajoniiir project uses a Guition JC4880P443C_I_W board with an ESP32-P4 and 4.3-inch touchscreen. It reads music from a USB drive exported from Rekordbox and supports MP3, WAV and FLAC files. The system can run two DJ decks at the… |
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This DIY Twilight Photometer Uses an LED and ADA4530 to Measure the Ozone Layer’s Peak Height from the Ground Forrest M. Mims III has built a DIY twilight photometer that estimates the height of the ozone layer by measuring changes in the brightness of the sky before sunrise or after sunset. The project was inspired by the need for a simpler ground-based method of studying the atmosphere. Mims has worked with professional ozone-measuring instruments and wanted to create a smaller and less complicated… |
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This YouTuber Overclocked a 30-Year-Old Nintendo 64, Added Wireless Controls, and Upgraded It With HDMI Output YouTube creator Zac Builds has modified a Nintendo 64 by combining several hardware upgrades aimed at making the nearly 30-year-old console more practical to use with modern displays and accessories. The project retains the original N64 motherboard while adding a RetroGEM HDMI modification, USB-C-based power delivery, internal wireless controller support, CPU overclocking and improved cooling… |
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Global Researchers Joins Rat-Race to Find Solutions to Tons of E-Waste Generation Every Year Substituting the batteries and USB connections on an old mobile phone, for example, could significantly control the rising e-waste every year Global researchers have now joined the rat-race to find an appropriate solution to the problems of escalating tons of electronic wastes. According to experts, there are 50 million of e-waste produced every… |
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Electronics Component Manufacturing Ecosystem in India: Where we are and What can we expect? China leads globally in ESDM sector output and with its highly competitive pricing, often supported by government subsidies, India has no choice but to buy from there. Overview of electronic components manufacturing in India The electronics manufacturing service industry is one of the fastest growing industries in the world… |
