Circuit Diagram and Working: In this Arduino Relay Control Circuit we have used Arduino to control the relay via a BC547 transistor. ... Demonstration Video and complete code for Arduino Relay Control ...

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 ...

5. Build your own Mars Rover Robot using Arduino: This cool looking Arduino Project presents the construction of an Arduino-based Mars rover, emphasizing design, components, and assembly.It highlights ...

Contribute to maheshsrao/relay-rtc-arduino development by creating an account on GitHub. ... Search code, repositories, users, issues, pull requests... Search Clear. ... 3d printable Board for ...

Fig. 6: QR code for Arduino source code. Then, connect the power supply to Arduino Uno either through its USB cable or 12V battery. Also, connect 12V power to all three relays, as shown in the circuit ...

This is a simple Home Automation project using the DIY micro-controller (Arduino), Bluetooth Wireless Module and Relay. This setup can be used to control the relay from Android mobile phones using the ...

Here, ULN2003 relay driver IC is being used to drive both relays. The circuit can fill half a liter of water/fuel in 16 seconds, and so one liter in 32 seconds, and so on, taking 80 seconds for 2.5 ...