Goodbye calibration! Digitization of pH test paper! This is a pH meter that reads the color of the pH test paper.

Step by step approach is followed so that any hobbyist or design engineer can have a better understanding of the basic concepts.

In this project, you can measure typically up to 48V. It is recommended to use Arduino digital voltmeter as “0-48V DVM”.

A homemade semi-automatic antenna tuner for HF controlled by an Arduino Nano.

Track display for a Commodore 1541 floppy drive (retro hardware).

A simple self contained Scalar Network Analyzer. It is used for testing and alignment of RF circuits, including amplifiers and filters.

Make a Linux distribution that is focused on the development of Arduino and IoT. It's a Distro for Arduino.

A maker kit designed for Egyptian girls who want to learn electronics.

Arduino Nano-based, password-protected AC Main Console.

The purpose of this project was to the control an automatic gate with Arduino Nano using finite state machine method and interrupts.

An SPI config change for using a Nokia LCD.

A simple yet effective demonstrator of a gear pump endorsed with Arduino Nano + MPU6050 accelerometer to measure vibrations.

Make a cheap variable power supply using the buck converter.