Popsicle Stick Switch

A momentary contact Single Pole Single Throw (S.P.S.T.) switch that is based on a Popsicle Stick. It is easy to build and the builder learns how a switch works. Read more »

Call-Aid

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  • 12/18/2012 @ 11:06 pm

Our client was an individual with multiple sclerosis, an autoimmune disease that targets the covering on the axons of neurons, damaging connections to the brain and spinal cord. Our client uses a wheelchair as a form of mobilization around the room. For assistance purposes, it is necessary to have some... Read more »

The 1933 FrankenCam

I’ve owned this 1933 Ensign Pocket 20 camera for 37 years and not taken one single solitary picture on it. Is it possible I could somehow repurpose it to take digital pictures? In this guide you will learn how to take an old bellows camera and turn the lens into... Read more »

Operating Railroad Grade Crossing Signal

It seems that no matter how much things change, one thing that is always constant is a kid’s fascination with all things trains. When my son was about 4 years old he was fascinated by passing trains. Even more captivating to him was the railroad crossing signals which would flash... Read more »

Tiny Wanderer “Moth”

Adding CdS photocell sensors to your Tiny Wanderer robot allows it to see a spectrum of light that is similar to what humans perceive. With two sensors, the robot can monitor two directions for light level differences and be programmed to either turn to or to avoid high light levels.... Read more »

9-Watt MR16 LED Lamp

I have a range of new LED lighting kits and parts available. I have designed street lights / down lights / pool lights / commercial lighting kits as well. Keep a lookout as I will be bringing out more LED lighting kits from my design range. Now you can build... Read more »