Here's a nifty hack to add a shaft encoder directly into a servo box. Parts:1. Servo - Preferrably a Futaba or Tower Systems2. Drill3. Photointerrupter - Rat. Shack #276-142 (NOT the package with the diode and transistor separate),or any standard 'U' shaped photointerrupter …
This article shows how to use an ADC chip on your next project. Introduction For this this project you can either choose to use the MAX186 or the MAX187. The differences between these two chips are described below. The MAX187 is an 12 bit o…
This article shows how to hook up a LCD screen to your microcontroller. LCD displays are a great way to add output to your robot - they can be a very useful debugging aid and also can make controlling the robot much easier (setting options, vi…
One of the single most expensive components that go to make up an amateur mobile robot is its power source. Of course, I'm speaking of the batteries that supply the current necessary to power motors, sensors and processors on board the robot (unless any of you have worked the bugs out of cold fusio…