Use Arduino, an OLED display and an AD9833 DDS module to create a useful wave generator for your lab.

Relay VS Transistor.

Discharge a fully charged Lithium-Ion cell through a resistor while measuring the current flowing through the resistor to calculate capacity

Program an AVR-IoT WG board externally instead of the onboard debugger. I had to workaround as I bricked my nEDBG debugger on my AVR-IoT WG.

Improved version of the soldering iron controller for Hakko 907 iron. To simplify building the controller, LCD screen is implemented.

Need fast cheap laser rangefinder for your Arduino project? You can use a laser tape measure for this!

A small device that will help you sorting resistors without wasting time with their color code.

The soldering iron controller based on arduino that implements PID method to keep the temperature of the iron.

Use the IO Expander and Relay Expander with the Arduino to control up to 65,280 relays!

A bit more accurate than __TIME__.

Control 256 relays! Seeing is believing!

The software library to calculate moon age, sunrise and sunset time.

An arduiNOOB friendly tutorial for beginners on daisy-chaining.

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

Probably the most useful Arduino project I've ever made! A automatic tester for a product I sell.

This code performs FFT with good accuracy.

A programmable, portable, rechargeable power supply based on Arduino featuring an OLED display for viewing V.I.P. of projects/prototypes.

A simple to build, but very sensitive electromagnetic field detector.

FreeRTOS, simple, easy, robust, and optimised for Arduino IDE. Using FreeRTOS Semaphores to share and protect physical resources.

Make your own mini oscilloscope at home. It’s simple and easy to do!

Showcasing our spot welder, which is controlled by an Arduino Nano.

The Companion IC is a very cool looking Clock + Ohmmeter + Capacitance Meter + Diode Tester!

Measure rotation speed (RPM) with Optocoupler and Encoder disk and Arduino - Quick and Easy!

On this simple tutorial, we will explore how to discover colors using an Arduino and the TCS 3200 sensor, displaying it on an LCD.