Sketch of transistor tester project from Karl-Heinz Kübbeler, so it's much simpler to study, modify, verify and upload to an Arduino.

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

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

Clock LCD display adjustable.

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

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.

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

Make your hardware push data to a Google spreadsheet.

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

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

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

Program your Arduino with an Android device over Bluetooth HC05.

With modern I2C Protocol for the LCD, minimizing the wiring. A Basic Version with the UNO and a feature rich Version with the MEGA2560.

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

A general tutorial on installing Arduino bootloader on ATmega8 AVR microcontroller and programming it using Arduino IDE.

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 the existing RA-02 LoRa breakout board can be a challenge, due to all the required wires, required logic level converters etc...

Using a phone as a makeshift GSM module.

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

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.

Extension to Ben Eater's breadboard computer that allows saving/loading programs and works as a monitor, assembler and disassembler.

This project illustrates switching using a transistor.

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