Horst Gether @ edn.com writes about how the simple and well established 3.5mm jack can be used for data-rich communication between headset and mobile device. The 3.5mm phone jack is a well-established standard in the audio industry and continues to get strong support from users in...

6V Lead acid (SLA) battery charger project is based on BQ24450 IC from Texas instruments. This charger project takes all the guesswork out of charging and maintaining your battery, no matter what season it is. Whether you have a Bike, Robot,  RC Car,  Truck, Boat,  RV, Emergency...

Thanks to a partnership with Nordic Semiconductor - the world's most successful open-source ecosystem for education, Maker, and Internet of Things (IoT) markets -, Arduino announced its new board, Arduino Primo, including native Bluetooth Low Energy wireless connectivity and NFC...

While building an ultra-low power application, sensitive hardware and software validation is required to reach system and long battery life. Testing will need an interaction with the tested parts, like simulating input pins of the target application. These difficulties could be solved...

SeeedStudio has published a PCB design manual to help makers and engineers design better PCBs. The guide covers many aspects of PCB design for manufacture summarizing the experience of their PCB service over the last 9 years. PCB Design for manufacture -...

Apple said goodby to 3.5mm audio jack in Iphone 7 by adding the audio signal to USB plug besides the other functionalities. While Iphone is a pioneer brand, a lot of manufacturers in the near future will drop that analog jack. However, your ear responds to analog signals only. So either...

moosepr @ hackaday.io writes: My attempt to get the smallest, simplest GameBoy style device, based on the pi Zero. Pi Zero Gameboy = GameBoy Zero -...

A Programmable LED dimmer from Soldernerd: Around one and a half years ago I’ve designed and built various LED dimmers for both white and RGB LEDs. Then late last year someone approached me asking if I could make an RGB dimmer for him, too. But my designs were really tailored to...