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Turn your servo into a powerful linear actuator
Provided you have the tools and the servo you can built this for under a couple of bucks. The actuator extends with a rate of about 50mm/min. It is rather slow but … 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
changes that may effect shield choices
You may already be aware of this but I thought it might be useful to Arduino Nano users .. Something to be aware of when deciding on a Nano Shield: Recently, I … Read more
Makes an easy start to your pic project
Template files Continuing from here In the project wizard you will have selected an include file which holds all the definitions of pins and registers and a … Read more
Vacuum pen for SMD soldering
As I’m into SMD soldering for the moment I wanted a vacuum pickup tool. So the first thing I tried out was a manual pickup tool for eBay like this one That … Read more
Cheap and easy USB interface for programming and communicating with microcontrollers
My work with ATmega microcontrollers was based mostly on ATmega168 and ATmega328 with Arduino bootloader on custom boards. For programming and communication through … Read more
Joins a 5mm shaft with an 8mm lead screw
Introduction Couplings are expensive, but tubing and Shapelock (Polymorph) is cheap.  This is a cheap way to build a coupling between a 5mm stepper and an M8 … Read more
I planned to use tactile sensor on my arduino based robot. In the end I used IR sensors instead. anyway, there are applications where tactile sensor is the right … Read more
Walkthrough about remote control a robot with an Android phone
What it does? This walkthrough demonstrate how to control an Arduino based robot from your Android cell phone. Different remote modes can be realized. Directy from … Read more
regulates my battery voltage, supplies 6V for motors and servos, 5V for logic
This walk through is heavily based on OddBot's walk through, "Once you've decided on batteries, how do you regulate the voltage?" I highly recommend that you read … Read more
Provides you with cheap alternative energy.
 Well, I just thought I'd post what I've learned about solar panels in the past month. They are actually quite simple to make and will cost you alot less then … Read more