PJON, pronounced like the iridescent sky rats found in every city, is a cool one wire protocol designed by [gioblu]. [gioblu] wasn’t impressed with the complications of I2C. He thought one-wire was ...

Our old math teacher famously said, “You have to take what you know and use it find what you don’t know.” The same holds true for a lot of microcontroller designs including [rgco’s] clever metal ...

YouTube channel How To Mechatronics has created a great tutorial with full instructions on how to create your very own Arduino powered 3D wire bending machine. Created using 3D printer parts, a ...

A while ago I received a couple of I/O port expander modules that use the I 2 C protocol. Using that Chinese module, you can use only the SDA and SCL pins of your Arduino, or any microcontroller ...

Jealous of your Nexus S-owning friends and their fancy NFC chips after yesterday's Google Wallet announcement? Well tech tinkerer Joe Desbonnet has whipped up what he dubs "poor man's NFC" using an ...

As a preview of his latest book, Arduino Project Handbook: 25 Practical Projects to Get You Started, Mark Geddes takes us through the project to create a simple laser trip wire alarm. You've probably ...

Electric Paint is an electrically conductive liquid wire, which can be used as a cold-soldering medium or conductive adhesive. Non-toxic, solvent-free, and water-soluble it can be used for prototyping ...

Jiri Praus has created an Arduino-powered CNC machine that can precisely bend brass wire, and even features a set of rollers to help straighten the wire before any precision bends are made. This ...