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

In this quick Arduino tutorial I will explain how you can control a relay using the Arduino Board, one 1K and one 10K resistors, 1 BC547 transistor, one 6V or 12V relay, one 1N4007 diode and a 12V fan ...

The relay module will need 5V from Arduino to power up and will get input from four different digital pins of the Arduino. Now let’s connect the relay module to your home appliance. Take the positive ...

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 ...

An Arduino project for turning on/off a relay at a scheduled time. The project uses the Adafruit Feather and a real-time clock to ensure accuracy. This project is essentially a hand-made version of ...

Circuit and working of the voice controlled home automation system Circuit diagram of the voice-controlled home automation system is shown in Fig. 3. The circuit consists of Arduino Mega 2560 board ...

Arduino sends commands to this relay driver transistor and then light bulb will turn on/off accordingly. Visitor Counter Circuit Diagram The outputs of IR Sensor Modules are directly connected to ...

Visitor Counter Circuit Diagram The outputs of IR Sensor Modules are directly connected to arduino digital pin number 14 (A0) and 19 (A5). And Relay driver transistor at digital pin 2. LCD is ...