![atmega - Can I use ATmega328 TX/RX pins to drive an R2R network and still use the serial port to program the MCU? - Electrical Engineering Stack Exchange atmega - Can I use ATmega328 TX/RX pins to drive an R2R network and still use the serial port to program the MCU? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/DPXRN.png)
atmega - Can I use ATmega328 TX/RX pins to drive an R2R network and still use the serial port to program the MCU? - Electrical Engineering Stack Exchange
![Amazon.com: Nano V3.0, Nano Board ATmega328P 5V 16M Micro-Controller Board Compatible with Arduino IDE (Nano x 3 with USB Cable) : Electronics Amazon.com: Nano V3.0, Nano Board ATmega328P 5V 16M Micro-Controller Board Compatible with Arduino IDE (Nano x 3 with USB Cable) : Electronics](https://m.media-amazon.com/images/I/81XOyyGywEL.jpg)
Amazon.com: Nano V3.0, Nano Board ATmega328P 5V 16M Micro-Controller Board Compatible with Arduino IDE (Nano x 3 with USB Cable) : Electronics
![ATMEGA328P with Arduino IDE: Serial communication doesn't work in combination with delay()-function | AVR Freaks ATMEGA328P with Arduino IDE: Serial communication doesn't work in combination with delay()-function | AVR Freaks](https://www.avrfreaks.net/sites/default/files/Breadboard%20Only%20ATMEGA%20big.png)
ATMEGA328P with Arduino IDE: Serial communication doesn't work in combination with delay()-function | AVR Freaks
![Can't get serial communication working on Atmega328 - Networking, Protocols, and Devices - Arduino Forum Can't get serial communication working on Atmega328 - Networking, Protocols, and Devices - Arduino Forum](https://aws1.discourse-cdn.com/arduino/optimized/4X/4/7/2/472fbded81361e3936fa5ac00bf36a877581c629_2_690x433.jpeg)
Can't get serial communication working on Atmega328 - Networking, Protocols, and Devices - Arduino Forum
![Simplest ATmega328P / Arduino PCB schematic for PC serial communication - Electrical Engineering Stack Exchange Simplest ATmega328P / Arduino PCB schematic for PC serial communication - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/I0DMC.png)