To supply targeting data for the launcher, an Arduino Uno uses an ultrasonic sensor ... would serve as a useful classroom demonstration of radar-like targeting techniques to a young audience.

Eric Rogers] is a radar-systems engineer who just happens ... From there, the base unit can be controlled by the Arduino via an RS232 interface. There are some bugs in the system right now.

Disclosure: Some of our articles include affiliate links. If you buy something through one of these links, Geeky Gadgets may earn an affiliate commission. Learn about our Disclosure Policy.