Goodbye calibration! Digitization of pH test paper! This is a pH meter that reads the color of the pH test paper.
Project showcase by hminowa
A small device that will help you sorting resistors without wasting time with their color code.
Project tutorial by Federico Vivaldi
Want to remove the hassle of using command-line every time you need to upload a new firmware? Now you can!
Project tutorial by Cian B
We used a TI FDC1004 breakout with an Arduino to measure liquid level in a bottle using the capacitance between two adhesive copper strips.
by Team ProtoCentral
Connect up to 10 buttons using a single interrupt.
Project tutorial by Svizel_pritula
Single tap, double tap, triple tap, four-tap, Hold, Single tap and hold.
Project tutorial by Najad
This project aims to provide insight into the workings of a digital oscilloscope. This project is designed to be an education tool.
Project showcase by wayri
Retro Atari 65XE plus Arduino Leonardo as USB-keyboard for a modern computer. It will leave the opportunity to use this Atari in native mode.
Project tutorial by iot4c
For the new curriculum that focuses on the energy transition at Dirksen University of Applied Science, we developed a demo
Project tutorial by keesp
Sample code on how to interface with the SN74HC165N IC so as to save data pins when dealing with a large amount of simple digital inputs.
Project tutorial by Matt Moore
Why are even the modern day cars are not equipped with biometric entry system? Here is an attempt on a Toyota C-HR.
Project showcase by Rajeev Velikkal
Build a 6x6 grid with an MPR121, expanding possible inputs from a mere 12 to 36!
Project tutorial by Arduino “having11” Guy
A symmetric power source for audio amplifiers controlled by the Arduino's PWM with max output +-30v 10A.
Project showcase by Joao_Claro
A battery charge checker on the base of Arduino
Project tutorial by Anton Nogin
Balancing an inverted pendulum on a cart with a DC motor. A perfect project for studying mechanical engineering and feedback control theory.
Project showcase by zjor
Sketch of transistor tester project from Karl-Heinz Kübbeler, so it's much simpler to study, modify, verify and upload to an Arduino.
Project tutorial by plouc68000
This is a mostly printed 3D Printer very suitable for a hobbyist. It's an easy and cheap way to get into 3D printing.
Project showcase by John Weers
FreeRTOS, simple, easy to use, robust, optimised for Arduino IDE.
Full access to FreeRTOS capabilities, within classic Arduino environment.
by Phillip Stevens
More complex microcontroller projects often require a menu-driven interface. This library for XOD can help autogenerate them from a diagram.
Project tutorial by Matthew Hamer
DIY Arduino hot air SMD rework station.
Project tutorial by Alexander and Maker B R
A time switching battery powered solar charged circuit, used to power an Arduino Uno and some peripherals.
Project in progress by Igor Fonseca Albuquerque
Learn the techniques that reduce memory usage allowing your programs to run smaller Arduino based systems.
by John Bradnam
Sometimes you need to generate a analog signal from a digital source a DAC or a digital to analog converter helps you do this.
by Vimanse Dissanayake and Chathura Yapa Bandara
How to connect multiple Atlas sensors to a single Arduino serial port.
by Atlas Scientific
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