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!

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.

Start coding online with the Arduino Web Editor, save your sketches in the cloud, and always have the most up-to-date version of the IDE!

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

Step by step on how to program a ATtiny85 microcontroller with Arduino Uno development board.

Arbitrary waves can be drawn, edited, saved, opened and uploaded to the Due via USB, or the Due can run alone controlled by pots & switches.

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

Clock LCD display adjustable.

Make your hardware push data to a Google spreadsheet.

Regulated smart constant current charger for 9V NiMH rechargeable batteries.

Arduino's great, but how in the world do you do two (or more) things at once on separate intervals? You need protothreading!

An unofficial tutorial for getting started with the MKR1000 board as there are no official one yet.

Program your Arduino with an Android device over Bluetooth HC05.

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.

Logic Analyzer, for Arduino, other AVR and STM32 with a very nice working processing interface, you could run it also on any Android device.

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.

Using a phone as a makeshift GSM module.

This project explains how to update ESP8266 firmware to support AT commands of AI-Thinker vendor.

Task scheduling is a transformative way to write maintainable code for Arduino and other AVRs. No more spaghetti code. C++ tutorial.

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

Based on Blockly and BlocklyDuino, here's a multilingual enhanced version with supervision, upload, multi-level blocks, etc.