Have you ever wished to have an extra pair of hands in the lab to handle the camera while you are focused on your project? In this article we will build an automated assistant camera, which can automatically move to specific positions chosen previously or, alternatively, pan continuously from the top of the workbench. The…
In this project we will see how to make a simple bike dashboard that allows you to view speed, turn on rear and front lights and enable turn signals. The system is based on an Arduino Mega which controls two 1.3 “OLED displays to view data, several segments of WS2812 led strips used as lights…
In this project we will see a table football that detects the goals from both doors and displays the result on an android tablet. The circuit is very simple: an Arduino Mega detects goals through two photoresistors and two laser diodes. Arduino sends the necessary data to the Android tablet via the USB connection. More…
The author’s goal was to build a huge floor piano using readily available and inexpensive materials. The result is astounding considering it was built entirely at home. The current version cost him $ 300 per octave (mainly due to the wood and translucent acrylic, and about $ 50 for electronics) and $ 50 for the…
Today is the world of internet social networks. We have many social platforms E-mail, Facebook, Instagram, Twitter and so on. For security reasons we should not use the same password for these platforms and some platforms require us to create passwords that are difficult to remember. It is better to write it down in your…
The Maslow is a large format CNC router capable of cutting wood and other materials with precision and repeatability, based on a digital file. A CNC (computer numerical control) machine allows manufacturers to automate the cutting process in woodworking and other manufacturing operations. Once the Maslow is built and the software installed, you will have…
In this project we will see how to recreate the Snake game on a matrix of LEDs. After loading, the game will automatically start with the snake in the lower left corner. An apple will randomly spawn and you can start moving the snake with a joystick. We have an 8 x 12 matrix of…
The following project consists of a small computer for children which, upon entering the correct name, displays the respective image and sound. The project is based on an Arduino Mega, which receives the signals from a keyboard and displays the writings on a 16×2 character display and the images on a 2.8 “LCD display. The…
The goal of this project is to create a complex communication system between three microcontrollers (MKR1000, Mega 2560 and Raspberry Pi B) to simply control a robotic car via SSH on a computer. The idea is to have a computer connected to a Raspberry Pi via ssh, which in turn is connected as a client…
Nixie valve display watches will have their vintage appeal but we know how delicate they are due to the glass and the high voltage needed to make them turn on. This project makes the Nixie watches more resistant, with a more modern look thanks to the RGB LEDs used to display the digits and which…
In the world of homebrew synthesizers, there are plenty of noiseboxes and grooveboxes that make all kinds of wacky and wild noises. However, common projects like the Auduino and Atari Punk Console are often limited in that they can’t readily be programmed to play multiple notes or any sort of discernable rhythm. Nick Poole changes…
With this project I want to demonstrate the idea of a Turing machine with as much clarity as possible. I tried to build a machine that is simple to program and easy to understand. I guess that was my lofty goal for this project. The brain of the project is an Arduino Mega. More info
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