Category Archives: How to

Robot Kat for you to print and make

Please see this PDF for instructions

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Antweights Robots for Geeks

Here’s the slides to a presentation that I made, entitled “Antweight Robots for Geeks“

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All about batteries

This page attempts to explain batteries: the different types that you will encounter in robotics and some terms associated with them. There are five types of rechargable batteries used in robots. Words in red are explained in the glossary below.

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How to build a combined charge plug and on/off switch

The Charge-switch This solution was to solve a triple problem: the rules require an on/off switch, secondly, how can one charge the battery in a sealed case without continually opening and closing the case. Lastly, this charge-switch needs to be … Continue reading

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How to build Dynamite

I was asked to provide a price list for Dynamite. As I had just rebuilt it from scratch I thought I’d describe the process, with prices.

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How to build a voltage regulator

When I switched to Lithium Polymer batteries I had to deal with the increased voltage, as I had previously been running at 4.8 volts (four NiMh cells) and the receiver and servos were not rated for the higher voltage, and … Continue reading

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How to build a sliderail

This documents how I dealt with the problem of transferring circular to linear motion wih a sliderail. Electra’s slide rail looks like this 

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How to use the Spektrum 2.4 GHz radio control system

This page is about the Spektrum remote control system, and how to apply it to robots: in my case, antweight robots, although I’m sure most of this applies to other weight categories.

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How to attach a Lego style wheel to a Sanyo style motor

These instructions show you how I attach a Lego wheel like this to a motor like this (We call these motors Sanyo copies, because are all similar to the first ones of this type that we saw which were made by Sanyo). Warning: … Continue reading

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How to attach featherweight wheels

These instructions show you how to attach a featherweight robot wheel (in this case a 125mm diameter wheel) to a drill motor. It’s just my made-up technique and it may be far from the best method. We’ll see how good … Continue reading

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