Features: Hardware components: Arduino, relay module, jumper wires, and external power source Code: Arduino code for controlling the relay based on sensor input or a manual switch Applications: Home ...

Looking for practical Arduino projects? This guide shows how to control a relay from your smartphone using an Arduino Uno — ...

1 Arduino board. Must be provided with a serial port in case the case of communication via the Serial. Must be provided with an Ethernet port or an Ethernet Shield 2 in case the case of communication ...

The Arduino takes this input, converts it into degrees Celsius, and compares it to a predefined threshold value, such as 40 degrees Celsius. In the first scenario, if the temperature reading from the ...