Michael Dunn discuss about a circuit that smooths ripple and noise but doesn't regulates the output. A well known power supply circuit is the capacitance multiplier. It doesn't regulate, but instead reduces ripple & noise while the output tracks at some fraction of the input...

Save time by re-using existing packages and symbols . There are thousands of devices in the 'default' library that comes with EagleCAD but whaddyaknow, the exact package/device you need isn't always going to be one of those thousands. However, instead of making a brand new device...

by Raymond Genovese @ www.allaboutcircuits.com: The idea of a single chip radio is intriguing. The prospect is especially interesting to me because, frankly, I envy the analog skills I associate with building a radio receiver. When I browsed the circuit literature in the area, I came...

Sensirion, the world’s leading manufacturer of humidity, temperature and flow sensor solutions, presents its second generation WLCSP (wafer-level chip-scale package) humidity sensor: the SHTW2. The SHTW2 humidity sensor comes in a flip chip package – an established technology that...

This project will turn your favorite music into light effects, a microphone picks up the sound and gives  light effects with 6 Red LEDs, ideal for creating fun atmosphere at parties & discos. Supply 9V-12V DC. Features Supply 9V-12V DC (PP3 9V Battery) On Board Preset...

"webgeeks" show us how to setup an Arduino UNO on a breadboard - aka bare minimum arduino: If you are like and me and enjoy building electronic projects then you might have worked with the Arduino Uno. The Arduino uno is the most popular micro controller of the series and has a large...

Daniel Eichhorn writes: The “ESP8266 OLED SSD1306″ is an open source library which allows you to control those pretty OLED modules from our beloved ESP8266 module. Fabrice Weinberg cleaned up all the ugly pieces of code which I initially wrote caused by my near C/C++ illiteracy. He...

Bluetooth is typically a low power, medium range device, in fact it can reach up to 10 meters. Bluetooth operates on the same frequencies as WiFi, 2.4Ghz.Connections are normally one to one meaning no group communication is allowed by the protocol. The connection is established by a...