by Xukyo | 3 May 2021 | Tutorials
The RC522 RFID module is a smart card reader which, among other things, allows to activate a mechanism when the right card is presented to the reader. In this tutorial, we will see the management of an RC522 RFID module with a NodeMCU ESP8266 card. Prerequisite:...
by Xukyo | 3 May 2021 | Tutorials
The RC522 RFID module is a smart card reader which, among other things, allows to activate a mechanism when the right card is presented to the reader. In this tutorial, we will see the management of an RC522 RFID module with an ESP32 NodeMCU card. Prerequisite:...
by Xukyo | 24 Nov 2020 | Tutorials
Every computer is equipped with an internal real time clock that allows it to know the date. Arduino type microcontrollers do not have PSTN. The DS3231 module gives the Arduino the ability to calculate the date, allowing it to control time more precisely. Hardware...
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 | 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...
