This assignment is about observing some operation of the microcontroller on the oscilliscope. Operations observed in this assignments are UART communication and PWM generation.
UART
The board is programmed to continously send a character to the computer. We connected the TX pin to the oscilliscope to observe the waveform of the communication. The image below shows the observed waveform.
PWM
The board is programmed to generate a PWM signal for controlling a servo motor. The pin is hooked to the oscilliscope and the waveform is observed multiple times to see the change in the duty cycle. As shown in the images below, the duty cycle increases as the on time increases
