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Tips & walkthroughs

 

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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
Have you ever made a robot that ran fine when you held it, but when you put it on the floor it moved really slow (or not al all)? Hmm… Did you use a motor … Read more
The AVR is a microcontroller developed by Atmel. Its an 8-bit RISC μController based on the Harvard architecture which physically seperates the data storage … Read more
Learn from first principles how to select and program virgin PICs in RISC assembly.
Using a
What's one of those? A Microchip PIC is an example of a microcontroller. Basically, a tiny but very complete computer in a single chip. The PICs have their own … Read more
Coil guns operate on a force of energy called Joules. You can convert joules into any force of energy, such as horse power, etc. The basics of a coil gun … Read more
So i finally managed to have the Picaxe USB Cable working under linux. Not the programming editor of course, just the serial connection. You can use it to … Read more
There are various different chips which are commonly used with the Picaxe chip. Here I attempt to explain what each one does, where it goes and why you might care. … Read more
If you are designing something so complex that you actually have to think (!?!).. and you get frustrated about how ugly you draw :) .. or perhaps you'd like to … Read more
This walkthrough is meant for someone who has never used a breadboard before. When complete you should be able to make a basic circuit (light an LED). List of … Read more
First off I'm no expert but I have gotten a bit wiser about what resistors are good for and how to find the right ones for a specific purpose. I will tell you about … Read more
This is part III of a series I call “How to build your first robot”.     This part is not so much instructions of how to build & program, that was in Part … Read more
Datalogger Description This little program can be used during the development of robots or other electronic devices. It can display a graph based on input from a … Read more
JKA has made an Java applet that takes serial output from any Microcontroller, and displays it in much better ways than the low-tech version I posted earlier. The … Read more
Just a quick tip on belt tracks, if you'd never did them before, and want to try :) Simple; one wheel in each side follows a motor, rest is free to turn. Motors can … Read more
Well, my 28x board is on its way and I have a good chassis to work with, so I will be building my first really cool robot soon. The problem I have is that the … Read more
(JKA is working on something more fancy than this, an applet for download)   If you are using Picaxe, I am sure you know, use, and appreciate the function … Read more
RC-servo to motor conversion   This is a smart little trick i had read about in the magazine "Elektor Electronics" a year ago. In 15 minutes you can turn your … Read more