Let's Make Robots!

Tips & walkthroughs

 

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UPDATE: I decided to remove the H-Bridge part, now the motors are directly connected to the AA batteries, and the Arduino is connected to the 9V battery. This … Read more
Made a robot with 2 wheels, and need a "coaster", half a tennis ball or something? This must be the best sollution!
I admit I have not tried this, but it just struck me: You know the kind of robot.. well - like the "start here-project"; You have 2 wheels, and perhaps you need … Read more
This is a nice little hack I discovered that allows you to use LEDs on your Picaxe-28 robot without taking up any other pins.   Read more
*********************************************************************************************** update 26/4/09 … Read more
How to find documentation for your Picaxe products.
I think Picaxe is a great product. But somebody should kick their web department. Sometimes people buy a Picaxe product in another shop, and do not get the manual … Read more
Make a robot sense stuff in dark or light conditions.. guided by visible light
Update: I am tired of it being named "FritsLDR", I cannot post to people "Try using FritsLDR", it is just too self centered. And I would just love to see some more … Read more
Sometimes you want something extra in your servo and you have to build one for the purpose
(If Google video is down, video is here) I like servos! However, sometimes you want what a servo does, but you need one that is special: Very strong, very fast, … Read more
I may seam very advanced or "Intelligent" when a robot is navigating it's way out of a tough corner, but here is how
Sometimes I have gotten feedback like "Wow, it even does 3-point turns".. or "5 point turns".. or "It is even getting itself out of trouble" when I have shown … Read more
Provides power for breadboarding, testing, etc
I was tired of wasting batteries while testing my robots and other circuits, and having to dig out voltage regulators every time I needed 5v or 12v for a circuit, … Read more
Keeps you from looking everything up time and time again
Here is a cheat sheet that I'm working on putting together. This wasn't meant to be professional quality, just something I can look over at instead of having to … Read more
Make your Ping))) sonar work!
So you've made your first robot with an infra red sensor and decide to upgrade it to ultra sonic. after a trip to Radioshack you look at the sensor you bought and … Read more
If you have trouble when soldering, attaching wires, whatever, this might be the perfect solution. I'll be building one of these myself in a few weeks so I'll be … Read more
This walkthrough explains the basics of soldering, really important thing to learn if we want our robots to be tough!
here's the best one i've found so far,it really helps a lot. http://www.curiousinventor.com/guides/How_To_Solder Read more
Update! Aparently there is a huge difference in the glue-sticks. Take that into consideration regarding everything in this post. However, I had some of the "bad … Read more
Learn the artform of hot-gluing!
So.. You just bought a hot glue gun, and you think it is just a piece of cake using it? Well, it is actually an artform :) Seriously; Step one, before you start … Read more
Update: Solarbotics has made this kit, were you will get all the vital parts needed for this project, at the best total price available out there :) Welcome, funky … Read more
Turn an ordinary (cheap?) RC-car into a Robot Wall Racer
Using a
UPDATE: Code now attached above + Ant has send me some tiny relays, I think they would work in this, and you could make everything 1/4 the size of what I did. Ask … Read more

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Thought I would edit this and put it back on the front page. There seems to be quite a lot of PID talk at the moment, may be helpful to someone. Read more
UPDATE: Mintvelt has made a remarkable new invention in this field, you want to check that out after reading the below! If you want 2 robots to detect and find each … Read more