Other
“Classic AC 230 V Timer project can be used in all application requiring a timer of up-to 3 Minutes to operate or control any AC mains load of up-to 200 Watts. This project is based on the Classic 555 Timer …
“Within the relative chaos of my domestic arrangements, I have one small oasis of perfect order. One thing that I can call ‘organised’ and ‘fully functional’. One thing that I can touch and know that it is reliable and ready …
“So I was asked by someone if I can make something that will start a motor at a fixed time. Ok … easy. But the motor should start in each day at a different hour or perhaps Monday and Friday at …
“Sending data from a microcontroller is a pretty common requirement in a lot of the projects I work on. One way of doing it is sending serial data out from the uC to a serial to usb converter chip to …
“When I first built the Heart rate measurement through fingertip project, the infrared LED and photodiode used for finger photoplethysmography were actually from salvaged parts, and therefore, I could not provide specifications for them in the article. As a result …
“LUX Meter project has been design to measure the illumination. Illumination is luminous flux falling on surface area of photo diode. This illumination converted to corresponding voltage using Op-Amp circuit.”
“This week I have been working on another of my standard footprint 50mm x 50mm boards - it is a general purpose wireless module carrier board:- Fobble. That’s a BLE Fob - for anyone who misses the pun. In the last …
“What ? The Mega-processor is a micro-processor built large. Very large. How ? Like all modern processors the Mega-processor is built from transistors. It’s just that instead of using teeny-weeny ones integrated on a silicon chip it uses discrete individual ones …
“Mullard 3-3 is quiet popular 3W tube amplifier introduced by Mullard Ltd in 1956. A schematic and design detail of this amplifier is available in “Mullard Circuits for Audio Amplifiers” book and in National Valve Museum article. This amplifier is …
“It should come as no surprise that I really really want a Tesla. Or really any Electric Vehicle for that matter. The only problem at the moment is that my daily commute takes me 20 minutes on foot each way …