An Arduino Uno relay module controls high-power devices by switching electrical circuits on or off. It's commonly used for home automation, industrial automation, and controlling lights, motors, or ...

Fig. 1: Author’s prototype for Smart Electric Iron Circuit and working. As shown in Fig. 2, the circuit built around Arduino Uno Board1 includes single-changeover relay module MOD1, MPU6050 module ...

The hardware is consists of an Arduino microcontroller (here an Arduino Uno R3) and a pre-wired soil moisture sensor module. The soil moisture sensor module , built around the LM393 comparator, gives ...

Two versions of the new 32-bit Arduino UNO board will be offered: UNO R4 WiFi and UNO R4 Minima with the only difference being the former getting an ESP32-S3 module for wireless connectivity. Arduino ...

In this paper, we will be focusing on how we can use a Arduino UNO or a NodeMCU board and a GPS module to track vehicles and relay its exact location with the help of Google Maps, which can help us in ...