3. Press the reset button on the Arduino couple of times and re-upload the code. 4. Disconnect and reconnect the Arduino to the PC. 5. Restart the Arduino IDE. If any of this does not work, it might ...

In the Arduino UNO board, the main component is the ATMega328P. Near the MCU you can see a 16MHz resonator which will give the ATMega328P the clock signal to work. ... Reset Button. As the name ...

Power on the Arduino Uno board. The LCD display will prompt you to enter a six-digit password. Use the keypad to enter the password. If the entered password is correct, a success message will be ...

You'll typically only work with a few of its main parts: the USB port, power port, reset button, and pins. ... the site even allows you to browse through projects that only use an Arduino UNO.

Fig. 1: Circuit of Arduino-based shadow alarm. The latest Arduino Uno (refer Fig. 2) is a microcontroller board based on ATmega328. It has 14-digital input/output pins (of which six can be used as PWM ...