[Paul] wrote in to tell us about some interesting Arduino latency issues he helped nail down and fix on the Arduino. It seems that [Michu] was having some problems with controlling his Rainbowduino ...

An automatic toll gate system using Arduino revolutionises traditional toll collection by eliminating manual intervention.

So let’s say your using an Arduino in your project. You already have the hardware-based serial interface working with one portion of the project and need a second serial port for unrelated hardware.

I am still receiving many requests to post an Arduino Sound Machine project. I think now is the right time to prepare a primer for beginners. First, keep your expectations low, as I don’t have ...

I'm having a problem with sending serial data between multiple Arduinos and hopefully someone here will have some advice. So the setup is that I've got Arduino A which needs to send 6 bytes of data to ...