“Shortly after the first mechanical clocks were invented in the 14th century, inventors started looking for ways to represent the motion of the heavens. Thus, the astronomy clock was created. Perhaps the best known astronomy clock was created in Prague …

“TLID stands for “time left in day”. The idea for this project came from a frustration with my sleep schedule in college. I would work late into the night and wake up at 10, 11, and even 2 the next …

“This instructable describes how to make an ultrasonic radar-style display using an Arduino microcontroller, an ultrasonic sensor, and a small stepping motor. An optional sensor modification allows multiple objects to be detected with each ping. Construction is simple … all you …

“A device to quickly crack PIN codes on Ford automobiles with a PIN entry keypad, and to demonstrate the shortcomings of this system. The Five Finger Code Finder is an electromechanical device and software designed to efficiently find the PIN …

“The Earth Clock is a project I made in order to visualize the face of the earth exposed to the sun in real time! In the nature the sun-rays are almost parallels because the sun is far away, that is …

“We’re going to make a robust robotic arm which can lift weights and move it. Lets get started with this cool stuff.”

“Gears never fail to capture the interest of anyone observing them. The inspiration for this clock was a minimalist approach to a gear clock. By simply hanging an incremented gear onto a small driven gear and letting gravity and mathematics …

“The easiest way to build a remote controlled Strandbeest Model! You’ve seen the kits available for around $10 or less for a Strandbeest wind walker, but what if there is no wind? In this tutorial, I go over how …

“Home Appliances is now controlled by Arduino and Bluetooth this is totally possible. Now just download Arduino Home Controlling App on Your Smartphone and enjoy. This is very simple and easiest project to make. You need some electronics like Arduino …

“In this Instructables I want to show how to make a simple and cheap arduino plotter that can draw on eggs or other spherical objects. In addition, soon Easter and this homemade will be very handy”