There’s a long history of devices originally used for communication being made into computers, with relay switching circuits, ...

This project proposes the creation of a standalone alarm system based on an Arduino Nano board (ATmega328P) combined with a BK A7670E 4G GSM module. The system allows for remote activation and control ...

In electronic and industrial automation systems, relay modules play a crucial role by allowing low-power control signals to switch high-power devices. Selecting between a 5V relay module and a 12V ...

WiFIRCard is a credit card-sized ESP32-S3 board designed for home automation with two relays and a few GPIOs (headers and screw terminals) that can be controlled over WiFi 4 or an IR (infrared) remote ...

Abstract: Facial recognition technology now days is used to identify or verify individuals based on their facial features. It works by analysing key facial landmarks and comparing them with a stored ...

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

LILYGO T-Connect Pro is a DIN rail-mountable, ESP32-S3-based industrial IoT controller with Ethernet, WiFi 4, Bluetooth 5.0 LE, and LoRa connectivity, as well as CAN Bus, RS232, and RS485 interfaces.

Radio Frequency Identification is widely used in contactless payment cards, National Highway Tollgate systems, and in security passes. By integrating an RFID reader with an Arduino, you will be able ...

What is an automotive relay? In simple terms, an automotive relay is a small cube shaped electronically operated electromechanical switch. It uses an electromagnetic device to mechanically maneuver a ...