Plug the RFID module into the breadboard with enough space around it. Connect the VCC pin to the Arduino's 3.3V (not 5V), and ...

Each of the 14 digital pins on the Arduino Uno can be used as an input or output ... Provide 8-bit PWM output with the analogWrite() function. SPI: 10 (SS), 11 (MOSI), 12 (MISO), 13 (SCK). These pins ...

So, let’s start by watching this 7 minutes video to see the entire system in action: The resetAlarm integer is the Arduino pin where we connect the button that is used the reset the alarm. The relay ...

After all, the Arduino boards come with a host of benefits that make them an excellent choice for a wide array of applications. They feature analog pins for reading analog components (e.g ...