This sketch calculates the speed of an oncoming entity using the frequency reading of a CDM324 Doppler radar module, and displays the speed (kph) in a single P10 LED matrix.
- DMD Library: A library for driving the Freetronics 512 pixel dot matrix LED display "DMD", a 32 x 16 layout.
- TimerOne: A collection of routines for configuring the 16 bit hardware timer called Timer1 on the ATmega168/328.