Q19. (Theory) What is the difference between analogWrite() and analogRead() in Arduino? What is PWM and why is it used? Give a practical IoT example for each. analogRead() and analogWrite() serve ...
Optiboot (an older version) is installed by default on the Arduino Uno and (as of 2018) official Arduino Nano boards. It can be installed on all older mega8, 168 or 328 based Arduinos. As of 2019, ...
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