Pi Learning
Ultrasonic Range Sensor
In preperation for the PiTank (or PiBot V2.0) i purchased 2 of these little ultrasonic range finder modules (google HC-SR04) for a few quid each so that i could create a simple collision detection system.
As you can see from the photo the wiring is very simple connect the +v to the 5v rail...
PiLights
So i was a little restless one evening and decided to play with some LEDs (i had them sitting around along with the resistors for quite a while but have been preoccupied with the control of my PiBot) but of course just having some LEDs turn on or off when i say is a little boring so i made it...