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Using a water level sensor with Arduino

Using a water level sensor with Arduino

The water level sensor is designed to detect water, it can be widely used to detect precipitation, water level in a cavity or even liquid leakage. The sensor is mainly composed of three parts: an electronic connector, a 1 MΩ resistor and several lines of bare wire....
Using a flame sensor with Arduino

Using a flame sensor with Arduino

The KY-026 flame sensor module detects flames using an infrared receiver that will pick up light emissions from heat sources. This tutorial is applicable to all Arduino compatible boards. Material ComputerArduino UNOUSB cable A Male/B MaleFlame sensor KY-026 Principle...
Using a Hall effect sensor with Arduino

Using a Hall effect sensor with Arduino

The KY-024 Hall effect linear magnetic sensor reacts in the presence of a magnetic field. It is equipped with a potentiometer to adjust the sensitivity of the sensor and provides two analog and digital outputs. Material ComputerArduino UNOUSB cable A Male/B MaleHall...
Managing a 4×4 Analog Keyboard with Arduino

Managing a 4×4 Analog Keyboard with Arduino

Whether it’s a calculator or a building keypad, we commonly use numeric keypads. The 4×4 numeric keyboard is a matrix of 16 buttons whose states can be detected by a microcontroller. This module requires only one analog input from the microcontroller unlike the...
Using the PN532 RFID reader with Arduino

Using the PN532 RFID reader with Arduino

The NFC module PN532 is a smart card reader that, among other things, activates a mechanism when the correct card is presented to the reader. It can be found in smartphones, for example. The RC522 module is certainly the best known RFID module in the Arduino world,...