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

DDS (Direct Digital Synthesis) Analog Devices AD9959 4-Synchronized Channels DDS Arduino Shield for Arduino MEGA 2560

Interface an Arduino Mega with an IDE drive or CF Card! It is easier than you might have thought!

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

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.

DIY Arduino hot air SMD rework station.

Learn how to submit your Arduino-based project. It may even get featured on the Arduino social channels!

FreeRTOS, simple, easy to use, robust, optimised for Arduino IDE. Full access to FreeRTOS capabilities, within classic Arduino environment.

A time switching battery powered solar charged circuit, used to power an Arduino Uno and some peripherals.

We used a TI FDC1004 breakout with an Arduino to measure liquid level in a bottle using the capacitance between two adhesive copper strips.

One port to read them all!

In this tutorial, I will show you how to install the dark theme for your Arduino IDE for the reason of overexposure to the screen light.

If you can't find a voltmeter at home or anywhere else, then this hack is for you!

Simple Arduino Uno - ESP8266 software serial integration.

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

I want to make a CD spot welder for battery packs or other stuff that cannot be soldered.

An Arduino powered floppy disk controller and reader/writer for making and writing disk images from and to old AmigaDOS floppy disks.

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

This is a tutorial on how to make it work.

Things you should know using ESP8266 WiFi module for its safety and easiness as it's very delicate module to use.

The cheapest micro soldering station in the world, using a cheap USB soldering 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.

An ultimate tutorial for beginners on how to connect and use an ESP8266 via Arduino and program it to blink an LED using the Blynk app.