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CASTROBOT - Computer ASsisted Targetting Remotely Operated roBOT
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I wanted to radically change the Mr. basic model, but still keep as much as possible of the original kit. Starting from left on the main picture, you can see a big … Read more

Zen Master

I'm building a robot with many different voltages here.

I have managed to avoid voltage regulation by cheating, I run the motors that are rated for 4.5 volts at 6 volts from a RC NiCd battery, and I use an RC Electronic Speed Controller that can give 5 volts to the RC receiver, the wireless camera and the Picaxe. I feared that this might be a problem and turned to the all knowing LMR forums for help. And help I got...

Fritsl answered:

RC power for my picaxe

I'm using RC ESC's to drive the motors in my current robot project. These speed controllers has a built in power regulator (called a BEC) that is meant to power your RC receiver. I've measured and the voltage produced is a steady 5.03 Volts.

Can any of you think of a reason why I couldn't or shouldn't use this as power source for my Picaxe 28x1 ? 


Can't seem to insert hyperlinks with Opera browser on my old iMac, so here are a link if you wanna read more about RC ESCs or BECs


finding cheap RC ESC (speed controller)

I love RC ESCs. They are electronic speed controllers that you connect to a servo output on a RC receiver or a micro controller, and they give you full step free control over a big motor in both direction. Most of the ones made for RC cars work in the voltage range 6-8.4Volts, but there are several alternatives for people who plan to run up to 24 volt motors in almost constant stall at a gazzilion amps (read robot war contenders).

But I'm the eternal cheapskate, and wants the cheapest there is.. So far I've found this 

This was basically just a test to see if the rubber track set from Tamyia would fit on a Mr. Basic frame. It took about an 30 minutes while watching TV, to test out … Read more


So, I've been to London, UK.

The entire department at work went there for "seminar" which means we did two 30 minutes meetings, And spent the rest of 3 days shopping, sightseeing, going to concerts and other touristing...

Our plane back was delayed and the bunch of us spent the time talking about what we'd done. Some had bought shoes and clothes, one girl had bought jewelery, one had bought records, and so on..

What about yourself? -someone asked me:

Basic progress

Here are a map of parts in the Mr. Basic kit

Mr.Basic manual page 3
So far I've dicharded:
The wheels (13&14)
The bumper (17)
The battery holder (18)
The front axle shift metal fixer (20)

and I've mutilated/hacksawed/drilled:
an Axis joint device (5)
both Front axles(7)
The Chasis (11)
one Decelerated pinion chassis (12)

And I know some of the copper tubes (22&23&24) have a dark future ahead dating my trusted hacksaw.

ROV parts

I'll do some research into building a ROV.

I'll start by finding nearby vendors and usefull online tips. 

Since I  live in Norway many of the links posted here will be worthless for anybody but myself, but then again, this is my blog, why should I care?

Relay Wiring for "H" Bridge Relays 

tube for sceleton 

ROV submarine

I playing with the idea of building a ROV.

A ROV is a Remotely Operated underwater Vehicle.

I plan to start simple, with a webcam connected to a computer, and 3 motors with propellers controlled by switches, all of it strapped to a frame of sealed plastic tubes. Something close to this instructable

But the robot geek in me wont stop there! I want to build:

A moisture sensor (to warn if the electronics compartment has sprung a leak) 

very fast grippers

This has to be the fastest robot hands I've seen...