Do-it-yourself exercises ------------------------ Do-it-yourself exercises are embedded in lessons. For convenience here are links to the respective exercises. - :ref:`Do-it-yourself exercise 1: Alien contact with audio` - :ref:`Do-it-yourself exercise 2: A proper Hello, world.` - :ref:`Do-it-yourself exercise 3: Brightness control by PWM` - :ref:`Do-it-yourself exercise 4: K.I.T.T. scanner bar` - :ref:`Do-it-yourself exercise 5: Asking for data with buttons` - :ref:`Do-it-yourself exercise 6: Etch-A-Sketch` - :ref:`Do-it-yourself exercise 7: Potentiometer app` - :ref:`Do-it-yourself exercise 8: DAC with PWM` - :ref:`Do-it-yourself exercise 9: Photoresistors with ADC` - :ref:`Do-it-yourself exercise 10: Demonstration of noninverting amplification` - :ref:`Do-it-yourself exercise 11: Using the LF398N for sample-and-hold` - :ref:`Do-it-yourself exercise 12: A bandpass filter`