Researchers at EPFL in Switzerland have found that adding large organic compounds called guanidinium (CH6N3+) into methylammonium lead iodide perovskite solar cells can provide stable power efficiency of 19%, approaching that of silicon cells. by Nick Flaherty @ eenewseurope.com: The...

Torex Semiconductor’s XCL223 and XCL224 series of step-down converters pack an inductor and control IC in a single 2.25×1.5×0.75-mm package, simplifying board layout. Despite their miniaturization and reduced height, the synchronous converters deliver an output current of 400 mA or...

Ken Shirriff shares his experience with a low-cost, compact Linux computer PocketBeagle: The PocketBeagle is a tiny but powerful inexpensive key-fob-sized open source Linux computer. It has 44 digital I/O pins, 8 analog inputs, and supports multiple serial I/O protocols, making it...

The STEVAL-FCU001V1 board from ST is designed to support quadcopter drone designers with the latest solutions for motor control, sensors and and microcontroller. A complete sample FW project allows the designer to begin flying small and medium size quadcopters (with brushed or...

Le Potato Single Board Computer - Raspberry Pi Form Factor, 2GB RAM, HDMI 2.0, eMMC, Latest Android 7.1 Nougat, and Linux 4.9 LTS.The project is already funded and you can order your unit now. Our first Libre Computer Board, code name Le Potato, is designed as a drop in hardware...

Libre Computer launched a campaign about it's open source, $35 “Renegade” SBC which is a Raspberry Pi clone that runs Linux or Android 7.1 on a Rockchip RK3328 with up to 4GB DDR4. They claim to be the first SBC with up to 4GB of DDR4, 4K, Gigabit Ethernet, and USB 3.0 for the...

This project provides 12V output from any USB power source, like PC USB port, USB adapter or power banks. LM2577ADJ boost converter IC is the heart of the project. The IC can handle load up to 800mA, it’s advisable to use only 200mA load on output to be on the safe side. The LM2577...

This completely open-source LTE shield uses the latest and greatest CAT-M NB-IoT technology optimized for low-power IoT devices! by Timothy Woo @ hackster.io: With the emergence of low-power IoT devices with cellular connectivity and the phase-out of 2G (with only T-mobile supporting...