![Photo taken on November 23, 2020 shows Arduino Uno, an open-source microcontroller board based on the Microchip ATmega328P microcontroller and developed by Arduino.cc, in Zagreb, Croatia. It has 14 digital input/output pins ( Photo taken on November 23, 2020 shows Arduino Uno, an open-source microcontroller board based on the Microchip ATmega328P microcontroller and developed by Arduino.cc, in Zagreb, Croatia. It has 14 digital input/output pins (](https://c8.alamy.com/comp/2KXJPTP/photo-taken-on-november-23-2020-shows-arduino-uno-an-open-source-microcontroller-board-based-on-the-microchip-atmega328p-microcontroller-and-developed-by-arduinocc-in-zagreb-croatia-it-has-14-digital-inputoutput-pins-of-which-6-can-be-used-as-pwm-outputs-6-analog-inputs-a-16-mhz-ceramic-resonator-cstce16m0v53-r0-a-usb-connection-a-power-jack-an-icsp-header-and-a-reset-button-arduino-is-an-open-source-electronics-platform-based-on-easy-to-use-hardware-and-software-arduino-boards-are-able-to-read-inputs-light-on-a-sensor-a-finger-on-a-button-or-a-twitter-message-and-turn-2KXJPTP.jpg)
Photo taken on November 23, 2020 shows Arduino Uno, an open-source microcontroller board based on the Microchip ATmega328P microcontroller and developed by Arduino.cc, in Zagreb, Croatia. It has 14 digital input/output pins (
![Amazon.com: CANADUINO 2 x Atmega328P-PU Replacement Chip for Arduino UNO R3 - Bootloader : Electronics Amazon.com: CANADUINO 2 x Atmega328P-PU Replacement Chip for Arduino UNO R3 - Bootloader : Electronics](https://m.media-amazon.com/images/I/61rHqf5M0QL.jpg)
Amazon.com: CANADUINO 2 x Atmega328P-PU Replacement Chip for Arduino UNO R3 - Bootloader : Electronics
![atmega328 - Can I use the microchip of Arduino Uno as a standalone microcontroller - Arduino Stack Exchange atmega328 - Can I use the microchip of Arduino Uno as a standalone microcontroller - Arduino Stack Exchange](https://i.stack.imgur.com/lGgBR.png)