You can read the state of a button using Arduino and a few lines of code. The actual state is shown in the Serial Monitor window as 0 or 1, 0 meaning the. ... You can use other pin if you want to and ...

41 thoughts on “ Dual Core Arduino For More Pins ” Mike Rogers says: August 31, 2012 at 4:54 am I2C ... read/write to an SD card, etc while the manager is doing other stuff.

This articles describes how you can use I2C (TWI) communication, Arduino and temperature sensors to measure 3 different temperatures. It can be very helpful when you want to measure the outside, ...

[Trent M. Wyatt]’s CPUVolt library provides a fast way to measure voltage using no external components, and no I/O pin. It only applies to certain microcontrollers, but he provides example Ar… ...

PWM pins work the same way across all Arduino boards, so you don't need to go out of your way to buy a Mega if you already have a board supporting PWM. On the Uno, Nano, and Mini, the PWM pins are ...

Here the LED pin is connected to the Arduino pin D8. The tag_UID is unique for each tag and replace it with your own tag’s UID. You can get the UID by using the Dumpinfo example. In the setup() ...