In this quick Arduino ... can use this code example to introduce a delay in your circuit. The variable “stayON” is used to delay() the program execution with the desired amount of time. In our case ...

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 ...

You simply connect your components to the board, use a software called Arduino ... a relay for the bulb, a resistor for the LDR, and some wires to connect everything together. As for the code ...

Her code allows you to configure the type and number of RFID cards required to trigger one of the Arduino’s digital pins, which usually would be connected to a relay to fire off whatever device ...

It’s a fairly simple project, too: just hook an Arduino ... the power relay on top of the enclosure, ready to use with your fan or whatever appliance you’re looking to trigger.