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Arduino-to-Arduino Communication (via Serial Connection)

This tutorial shows how to establish a serial connection connection from an Arduino to another Arduino. Each Arduino has a tact switch and an...

Control Fairy LED Strings with a Relay Module and an Arduino

This tutorial shows how to control so-called "fairy LED strings" (also called LED strings, fairy lights, fairy LEDs etc.) with an Arduino. The idea...

WS2813 vs. WS2812B + “WS2813 Mini”-based RGB LED Ring Tutorial

The WS2812B from the WS2812 series has been my favorite RGB chip when it comes to projects where lighting in different colors is involved....

Arduino Tutorial: Making the KMR-1.8 SPI (TFT Display) work!

Recently, I had the idea to make a digital picture frame—one of these kinds which load images from SD cards and show each image...

How to do statistics with an Arduino? (Arduino -> SD card -> R)

In this tutorial it is shown how to do statistics with data that comes from sensors which are connected to an Arduino. For this...

Arduino-Tutorial: How to use the RDM630/RDM6300 RFID reader

Seeedstudio's RDM630 and the RDM6300 are two different types of RFID readers, even though they often get mixed up. Besides the similar names, another...

Tutorial: Serial Connection between Java Application and Arduino Uno

In this tutorial, I demonstrate how to build up a serial connection between a Java Application and an Arduino Uno. The tutorial is divided...

DIY: Y-Adapter Jumper Wire

In a lot of situations, it would be useful to have a Y-shaped jumper wire to split signals. For example, many variants of the...

Example Application: GY-521 module (MPU-6050 breakout board) and Arduino Uno

Wiring scheme and source code of an GY-521 (MPU6050) example application.

Arduino Tutorial: HX711 Load Cell Amplifier (Weight Sensor Module) + LCM1602 IIC V1 LCD

In this tutorial, it is shown how to utilize an Arduino Uno, a HX711 breakout board, and a load cell in order to measure...

Arduino Tutorial: IR Distance / Line Tracing / Line Tracking Sensor (MH Sensor Series/KY-033/TCRT5000)

In this tutorial, it is shown how to use an IR distance sensor with an Arduino Uno. The todays sensor comes in many names:...

Augmented Arduino Car

Last Christmas I received the Elegoo car (Version 1) which is small car based on the Arduino platform. The car comes with an Arduino...

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