New series of Sunon fans with IP68 protection brings reliability even to conditions, where a usual fan doesn´t withstand too long… Still more noise and vibrations and in extreme case even a total malfunction – this is a typical “end” of the fan after a long-time operation...

This design of acoustic sound receiver features low power operational amplifier. It has rail-to-rail input/output and 0.85mA supply current per amplifier. It uses piezo speaker as its microphone that can be attached to easily due to its size and dimension. The circuit is comprised...

by Ardumotive_com @ instructables.com: Today I will show you how to make your own 7 segment - 2 digit - thermometer with Arduino uno and DS18B20 temperature sensor. I prefer to build my own arduino based circuit by using the ATmega328p uno possessor, but this is optional for you....

by Sinjin Dixon-Warren @ chipworks.com: The Intel® RealSense™ gesture camera represents another foray by Intel into the consumer products space. The camera has been incorporated into the Lenovo ThinkPad Yoga 15. Intel disclosed at IDF14 that the device is formed using three...

More exactly, we talk about switching-off a device. Marquardt 1550 Eco Switch enables this extraordinarily easily. Do you know a situation, when a seemingly usual thing is fact not that usual... Whether it´s a car with a hybrid drive or a lot of devices which we meet every day...

by packetbob @ instructables.com: I decided to put together a toaster oven and wanted something that could handle large boards and possibly do small production runs. Doing a web search, you will find many options for toaster oven reflow controllers. They range from one-off designs...

Rui written an article on how to build your own PCBs using a CNC machine. Rui Cabral writes: The PCB manufacturing method i used before buying my CNC machine was the lithography method and worked as follows: First i printed the board design on an acetate sheet. This sheet was...

by Susan Nordyk @ edn.com: The LTC4015 synchronous step-down battery charger controller from Linear Technology offers charge current of up to 20 A, multiple-chemistry operation, and onboard digital telemetry. The controller transfers power from a variety of input sources, such as...