Suppose you have an inexpensive noisy mechanical switch that you wish to monitor using your STM32. Normally you would use a simple Digital Input for this. However in this case, you chose to use both a digital input and an analog input so that you can observe the noisy behavior of the switch. Assume it is a simple2 terminal switch where one terminal is grounded (so grounded when closed) and you are measuring the other terminal. The objective of this question is to poll the switch every 1ms and see how the values of the digital read relate to the values read by the analog read. 1. Setup a new project in PlatformIO, using MBED and your STM32F429 board. 2. Using the MBED framework, set up 3 GPIOS (don't forget any required configurations): a. One analog IN (to read the switch) b. On digital IN (to read the switch) c. One digital OUT (connected to either an on-board LED or an external LED) 3. Using the Timer HAL provided by MBED (timer, ticker, timeout etc.) set up a recurring function call that runs every 1ms that will read the switch state on both analog and digital inputs 4. Write a short algorithm that you will use to determine if the switch is open or closed, by reading the analog input only. 5. Compare the output of the algorithm in 4. with the value read from the digital input. If the values match, leave the LED (digital OUT) OFF. 6. If the values from 4. and that read from the digital IN differ, then light up the LED. 7. Essentially, when you run the code, the LED will only light up if the two values differ meaning that the switch value is unreliable. 8. Submit your main code file.