In the video after the break, [Eduardo] demonstrates his extremely simple setup for using ultrasonic ... second Arduino to read. But how does it work? Looking through the source code for the ...

Based on a Nordic Semiconductor 32-bit ARM system-on-chip that has built-in support for Bluetooth 4.0, the RFduino runs the same code as Arduino UNO and DUE boards, and it works with any type of ...

And if you love science and technology, you won’t find a better hobby than these monthly Arduino projects from ... a distance detector that uses an ultrasonic sensor, a reflex game that lets ...

Watch the demonstration video below to learn more about the ultrasonic race timer and its creation. Powered by an Arduino Nano development ... your race criteria. All code for the project has ...