Other
“Stand out from the crowd with these cool Interactive LED Shoes that are activated by movement. Choose from six different effects, to mix things up a little next time you are out on the town!”
“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 …
“This machine is designed to make the laser engrave in wood and opaque plastic, having an Arduino and the GRBL as machine automation basis. The machine axis are just the X and Y axis, which move a laser with power …
“This year’s (2015) Holiday card features a pop-up design back-lit by a LED and no wires! If you have the time, homemade cards are some of the coolest things to give people. The rise in the popularity of the …
“I recently make a variable power supply with LM 317 ( I will post it later). so now need a voltmeter that can tell me the out put voltage and fixed it with the power supply. I goto shops to find …
“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.”
“Hello friends this time im gonna show you how to make a detector for open wifi with the module ESP8266, this detector notifies you when an open WiFi or non encrypted is near to you, when it detects one kind …
“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 …
“This is an example of a supercapacitor flashlight that can be charged with a standard 1A smartphone charger.”