by Xukyo | 24 Nov 2020 | Tutorials
The WiFi Shield allows the Arduino card to connect to the internet via a wireless LAN. It integrates an SD card reader that allows to store data or a web page to drive the Arduino.The basis for creating connected objects is to connect them to a network such as the...
by Xukyo | 24 Nov 2020 | Tutorials
One of the most widely used information display elements in the Arduino world is the 16×2 LCD (Liquid Crystal Display). When manufacturing an electronic system, it can be interesting to have it give us some information about its status without having to connect...
by Xukyo | 24 Nov 2020 | Tutorials
It is possible to activate a system, such as an alarm, by detecting the presence of a person using a PIR motion sensor. In home automation, it is common practice to operate devices when a person enters a room. This is made possible by motion sensors such as the...
by Xukyo | 23 Nov 2020 | Tutorials
It is possible to emit sounds using a microcontroller by connecting a buzzer to one of its outputs. When you want to create a user interface, it is nice to have feedback according to the actions performed, whether it is a display, a light that lights up or changes...
by Xukyo | 23 Nov 2020 | Tutorials
LED ribbons are made up of a succession of addressable RGB LEDs, i.e. the brightness and colour of each LED can be set independently. There are several ribbon models: single colour, non-addressable, 5 or 12V, etc. Pay attention to the model you want to use. Hardware...
by Xukyo | 22 Nov 2020 | Tutorials
Capacitive sensors are commonly used in particular for object detection. They can, for example, detect the passage of an object on a conveyor belt or the level of a liquid in a tank. Closer to home, capacitive sensors are used in touch screens or as switches. In this...
by Xukyo | 3 Nov 2020 | Tutorials
The radio module NRF24L01 is a transceiver for establishing a connection and transferring data from one device to another via radio waves. Hardware ComputerArduino UNO x2USB cable A Male to B MaleNRF24L01 x2 Principle of operation The nRF24l01 module is a low-power...
by Xukyo | 2 Nov 2020 | Tutorials
An analogue sensor sends a voltage level, usually between 0 and 5V, representing a physical value. This voltage can be subject to measurement noise (electronic interference, electromagnetic interference, measurement accuracy, etc.). In some applications, you will need...
by Xukyo | 2 Nov 2020 | Tutorials
Anti-bounce or debouncing logic prevents the detection of parasitic changes of state of a sensor. When using sensors returning discrete states, such as a push button, it can happen, for mechanical or other reasons, that changes of state are detected that do not...