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 ...

So you finally decided to hop on the Arduino bandwagon ... frequently used hardware like basic electronics (e.g., resistor, diode, capacitor), input (e.g., push button, ultrasonic sensor, keypad ...

PIC, AVR, and Arduino are ubiquitous in projects these ... Instead of going with a microcontroller he built the circuit around a 555 timer. What he really needed in this case is a flip-flop ...

Arduino boards can most definitely ... for powering your circuit, and a reset pin for connecting a push button to reset the UNO in case you can't use the one on-board. Save for the ports ...

Did you know that you can use Arduino to turn on an LED when you press a button? Well, it is true, you can do this! Leaving the joke aside, let me show how you can achieve this. You will need the ...