Play Super Mario Bros theme song on a piezo buzzer! It’s very simple and fun, and great as a beginner Arduino project.

Failed but still teaches a lot.

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

This is my 4th tutorial on how to drive a RELAY (not a relay module) with an Arduino.

Connect I2C Character LCD Display to Arduino and program it - quick and easy!

In this tutorial, I will be showing you how to get started with the small 0.91 and 0.96 I2C OLED displays using Arduino and NodeMCU.

Driving a Single Digit 7 Segment LED Display requires 8 of an Arduino's 20 or so I/O pins. Using a 74HC595 shift register only requires 3.

Just before creating my next tutorial, which will be using a PIR sensor, I thought I might create a separate tutorial for PIR Sensor.

This doorbell can operate without touch the switch.

I found limited documentation on the usage of a color sensor I recently purchased, so here is my attempt to make it more simple.

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

Standalone PC software to use your Arduino as an oscilloscope, supports up to eight channels, at rates up to 100 kHz.

Imitate musical instruments and make music with an Arduino and only few external components!

Publish your Arduino input in real-time so it can be accessible on the internet without taking care of server side.

Use the latest ATtiny processors in the Arduino Environment. These have the memory capacity of ATmega chips in smaller and cheaper packages.

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

Control 256 relays! Seeing is believing!

In this tutorial, I am going to talk about the PCF8574 8-bit GPIO port extender.

Make your projects colorful.

Hii friends Today I will Show You How To make Music Relative Strip Light

Connect Stepper Motor to Arduino and control it with Rotary Encoder - Quick and Easy!

Use FreeRTOS (simple, easy, robust, & optimised for the Arduino IDE) to reduce the power required for battery or low power applications.

An Arduino code that displays on a small 0.98" OLED SSD1306 Date/Time and also calculates and displays Salat Time for a given town

Build a treasure chest or use an existing storage box, attach a push-button quadrature rotary encoder (endless spinning dial) and lets go!