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“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 …
“An electronic sun-dancing sun tracker. A maker is always sensitive to new and funny things. One day, I watched a video in which a sunflower moves along with the sun. I had a sudden insight then. Why can’t I …
“In my previous tutorial, I showed you how to built and 24x6 LED Matrix, But the only problem with that was we have to upload entire new programme to change the message on the display which can be solved very …
“With this project, I tried to make my home “smart,” but took a different route, completely avoiding voice commands. In this project, I will show you how to start designing and coding for home automation using Node-RED on the …
“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 …
“One of the best ways to learn how to use a new piece of test equipment is to use it. Sounds easy, right? The problem is, sometimes when you are in the middle of troubleshooting your circuit, figuring out what …
“I am pleased to offer instructions and material files for making a LightLogo Kaleidoscope! I have been thinking about doing this for many months and finally worked out a design. If you have any improvements on this design please do …
“Create a locking system that locks your room with your fingerprint and an access code on the cheap. Story Protect Your Room with Fingerprints for Under $20 In this tutorial, we will build a system that protects your room based …
“Do you ever feel unsafe in your own home, or do you need to protect your company? Maybe you could make a security system so all of these problems gets solved. In this instructable i tell you how. I mounted …
“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 …