Cutting length measurement for circular saw
If you have a circular saw you probably use a tape measure every time you want to cut a piece…
A floor piano with Arduino Mega
The author’s goal was to build a huge floor piano using readily available and inexpensive materials. The result is astounding…
DIY Pulse Oximeter
The oximeter is a tool that allows you to calculate the percentage of oxygen saturation in the blood based on…
Automatic brightness on the computer with Arduino
Have you ever wondered why smartphones are called smartphones? Because they are smart, right? They do some jobs automatically, intelligently.…
Automatic reel winder
If you often happen to make solenoids, tesla coils, inductors, electromagnets or coils in general, you may want to consider…
Automatic food dispencer for pet with Arduino
The idea for this project came to its creator when he began researching the principle behind commercially available pet dispensers;…
Measuring 20V signals on an Arduino Uno with a quantizer
As we know, Arduino Uno includes a 10-bit ADC (analog-to-digital converter) inside its ATmega328p, which takes a signal between 0…
PRO MIDI 1284P developer’s board
We develop and test applications with the Pro midi 1284P board. Recently we have introduced and described a new prototyping…
Long range autonomous boat
This project was inspired by the vision of a real boat equipped with various sensors capable of measuring the depth…
Seismograph with Raspberry Pi
In this project we will see how to build a professional quality seismograph, completely open source, based on Raspberry-Pi and…