I might need two, since they come in clear and blue.
This is a Propeller Activity Board that is "new", but old stock from Propellerpowered, so outside of a little shelf dust on the package, it's
The S2 robot is one of the finest products Parallax has ever produced. Parallax has sold over 17,000 S2 robots and itís quite popular in education
I am in search of a ultrasonic sensor that I can mount onto my remote control lawn mower to prevent it from hitting objects and people when I am using