![Standalone Arduino with ATMEGA328P / Serial working, but serial programming not (only once after buning bootloader) - Arduino Stack Exchange Standalone Arduino with ATMEGA328P / Serial working, but serial programming not (only once after buning bootloader) - Arduino Stack Exchange](https://i.stack.imgur.com/87HhA.png)
Standalone Arduino with ATMEGA328P / Serial working, but serial programming not (only once after buning bootloader) - Arduino Stack Exchange
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Arduino UNO R3 and Atmega328P pin out. Digital pins 11-13 are used for... | Download Scientific Diagram
Can't get serial communication working on Atmega328 - Networking, Protocols, and Devices - Arduino Forum
Tools Electronics and Tech. - Arduino Uno is a microcontroller board based on 8-bit ATmega328P microcontroller. Along with ATmega328P, it consists other components such as crystal oscillator, serial communication, voltage regulator, etc.
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