This function performs FFT with very good speed while maintaining accuracy.

DIY Arduino hot air SMD rework station.

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.

Get not only 5 volts but also 9, 12 volts (18 Watts max) out of any QC-compatible charger/power bank for supplying power hungry projects.

Connect up to 10 buttons using a single interrupt.

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.

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.

A voltage to frequency converter can realize an opto-isolated analog input for Arduino or other microcontroller systems.

Training board for essential logic gates.

This library creates an 8-bit IO port for Arduino by combining any 8 Arduino pins. With this library, one can send/get direct 8-bit data.

Thermistor as thermometer.

This project uses an ultrasonic distance sensor to create a pocket of wave interference where a small object can be levitated.

This post will take you through a step by step instruction on how to use the Rakwireless RAK811 lora module with Arduino

We live on a beautiful planet called earth, do you know how much is its weight? Lets find out.

How to make a benchtop pH meter with an Arduino Uno and the Gravity analog pH sensor from Atlas Scientific.

Protect lithium polymer battery pack from over discharge.

Purpose of this project is to write a code to control coin acceptor with Arduino so it can be used in other projects

This is for embedded software developers with a solid working knowledge of C or C++, but who struggle with large and complex projects.

Accukey lives!

Introduction to watchdog timer in microcontroller