Geometric chuck was a particular device that stacked up a number of rotating wheels which vary in speed and their offset to a particular central shaft. This was in order to machine ornate designs ...

Description: In this project I did a Christmas jumper with rgb LEDs, this can also be a creative clothing project or whatever you want. It uses rgb LEDs that are controlled by an Arduino-based ...

A Raspberry Pi home automation project enables controlling lights, sensors, and smart devices via open-source software, turning any house into a smart home.

Light painting is a technique which allows you to “draw” on a photograph by moving a light past the camera during a long exposure shot. While it can be difficult to master, light painting allows for ...

Chapter 1, page 11 This code is basic but allows the reader to gain insight into key elements for several other projects in this book. It combines two pieces of code that are listed in the examples ...

This project shows how to build a light gauge that uses an LED bar graph to show the measured brightness level. The function “gauge()” is a good example of using “if” statements to analyze sensor ...

Depending on how you view them, red light cameras are a great way to get people to drive carefully, or an utter nuisance. We agree with the latter opinion, as does [Dave], so he built a handy little ...