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![Arduino Protothreads [Tutorial] - The Robotics Back-End](https://roboticsbackend.com/wp-content/uploads/2019/01/arduino_schematics_leds_button_potentiometer.jpg "Arduino Protothreads [Tutorial] - The Robotics Back-End")
Arduino Protothreads [Tutorial] - The Robotics Back-End
Is there a way to have more than 14 Output pins on arduino? - Arduino Stack Exchange
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