(basic wiring, pinout, and output signal) Adding Arduino to your rotary encoder. Now that your rotary encoder hardware is up and running it’s time to tell your Arduino what to do with the encoder ...

The Arduino Wire library is a core aspect of Arduino's integrated development environment, or IDE, and is a must-have if you're using sensors or extra microcontrollers in your project.

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-wi… ...

Well tech tinkerer Joe Desbonnet has whipped up what he dubs "poor man's NFC" using an Arduino, some magnet wire, and any compass-equipped Android smartphone (which is almost all of them).

That is, instead of just wiring the current loop to +5V or +12V and ground through a current sense resistor, it will draw something between 4 and 20 mA all the time, but if you power the loop from ...