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Why Knowing the Pin Configuration of the Microcontroller (Arduino Uno) is Critical for Your IoT Projects | by Sony Alfathani | Medium
![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
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