Although there are other ways to do this, [Rod] has decided to write up his method of using two Arduinos and the I2C protocol to expand an Arduino’s IO capacity. As seen in the picture above ...

Using an Arduino Pro Mini, a handful of buttons ... you to control the Si4735 from your microcontroller of choice over I2C. He’s currently tested it with several members of the official ...

This board offers seamless programming, robust performance, and broad compatibility for applications ranging from robotics to ...