Let's Make Robots!

Tips & walkthroughs

Navigates and tracks objects using Infrared
Mr. General is based on my original LMR robot Bot 08M which was my attempt at a "Start Here" robot using the picaxe 08M processor. This walkthrough will explain how … Read more
slowing a shutdown in a circuit from instant to a few seconds
I thought I'd do this as a tip after Geir Andersen posted on the circuit redesign for his UAV. The need was to maintain a supply long enough on shutdown to flush … Read more
Works like LIDAR - uses a wiimote
  First RADAR then LIDAR now WiiDAR ! Read more
This is just a very simple way of getting a sense of distance
This may be extremely simple, but then again, some one out there might get inspired by this thing that I just "found", so I decided to share :) Actually I started … Read more
  Here I will try to help begginers with the most attractive electronic device the LED. :D First of all the definition of a LED: An LED or Light Emitting Diode, … Read more
Get more components on a small breadboard
You may just look at the picture and say "well, duh!" and not need an explanation, but here it is for those that want it... Read more
guide light, conduct air, be tubey
When your project, like mine, needs a tube pipe to fit exactly around something, consider making your own. I could not find anything with the exact inner diameter … Read more
rik's picture
   One thing I do before I even start to order parts is to get a notebook.  In it I write down ideas, parts, prices, where to buy from, where to find data … Read more
I was inspired by Chuck McManis and his BJT-based H-bridge tutorial and I wanted to build a similar H-bridge based on MOSFETs. The design goal was for the H-bridge … Read more
jip's picture
You can detect footsteps, and the world below!
I just discovered geophones by watching the video. Check it out, Geophones, it's the latest. You can make one by hanging a magnet in a rubber band, and let it … Read more
A quadrature encoder, also known as an incremental rotary encoder measures the speed and direction of a rotating shaft. Quadrature encoders can use different types … Read more
Cylon bouncing light bar using PWM signals to control the LED brightness
The impressing reason why i bring this tip to your attention is the ability for the propellor chip to drive 32 PWM channels without even battering an eyelid … Read more
In this tutorial, I'll show you how to use the Parallax Serial Terminal for debugging with the Propeller.  This builds on my other tutorials which you can find … Read more
Gives you a wireless connection to your robot
Recently I tried to set up a wireless link between my laptop and a robot so that I could upload new sketches and adjust certain parameters of the program while the … Read more
Wireless telemetry + video with 3 resistors and 6 feet of hookup wire
Using a
The Prop can generate NTSC, PAL, or VGA video signals.  Most users connect to their TV through a baseband (RCA jack) input.  Baseband is great for a wired … Read more
Well, it can grip stuff, and your robot can use it as hands!
**Watch the video!** To make this project you will need: Read more
When making a Sumo-style robot, make it celebrate it's victory easily
Sumo robots are very, very fun to make (and always make 2). Tip on programming your Sumo robot so it is more fun to watch: Unfortunatly I had my sumo-period just … Read more
visualizes uC data - if your robot is part puter - you can use Alerts to change behavior
  For the robot enthusiast nothing is more helpful than your trusty Oscope.  Equivlent to the a cowboy's trusty steed. Your faithful oscope will deliver you out … Read more