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Tutorial: How to use the HC-SR505 PIR sensor with the Arduino

PIR (Pyroelectric InfraRed) sensors measure infrared (IR) light that is radiating from objects in the detection area. The HC-SR505 is such a sensor. It very...

How to control an LED pixel strip (WS2812B) with an Arduino and the FastLED library

LED pixel strips are strips which have small LED modules mounted on it. One of these LED modules is the WS2812B which features a cascading...

How to control a DC motor with the Arduino Uno and the L298N Dual Motor Controller

In order to control a DC motor with the Arduino Uno, a motor controller module is required. Such module is needed, for various reasons: For...

How to use the “MicroSD Card Adapter” with the Arduino Uno

In this tutorial, it is shown how to read and write SD cards utilizing the "MicroSD Card Adapter" module and Arduino Uno. An major...

How to use the ultrasonic sensor/actuator “HC-SR04” with the Arduino Uno

In this tutorial, it is shown how to use the ultrasonic sensor (and actuator) "HC-SR04" with the Arduino Uno. The HC-SR04 has an ultrasonic transmitter...

How to use the RFID-RC522 module (RFID reader) with the Arduino Uno

RFID stands for Radio-frequency identification and can be used for many application that require an identification mechanism. In this tutorial, it is shown how...

How to build an optical/light barrier with the Arduino, the Keyes laser module (KY-008) and a laser receiver/detector module

In this tutorial, it shown how to build an optical barrier. The barrier detects any movement between the sender and the receiver. The sender is...

How to blink an LED using an Arduino Uno

An Arduino (Uno) can be used to blink an LED. In this tutorial, an LED is controlled which changes its light status every 1000ms. List of...

How to use an analog joystick (KY-023) with an Arduino Uno

The KY-023 (or KY-23) is an easy-to-use analog joysticks for the Arduino microcontroller. The joysticks features two dimensions (x and y axis) as well as a...

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