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microprocesser and interfacing course Q. No. 5: A flex sensor provides 10 kΩ of resistance for 0° flexure and 50 kΩ of resistance for 1350 of flexure (see Figure below). This sensor is used in a design to measure the flex angle of the bowling arm of a cricket bowler. Continuous sensor readings are required at a frequency of 1 KHz or greater. The desired accuracy of angle measurement is 0.5 degrees. (10 Points) a) Design a circuit to convert the resistance change to a voltage change (hint: consider a b) Then design a transducer interface circuit to convert the output from the flex sensor c) Choose appropriate values for the system clock, the ADC pre-scalar, and Vref for ADC voltage divider). circuit to voltages suitable for the ATmega32 ADC system d) What is the resolution of your ADC and how much accuracy do you get? e) Provide block diagram of hardware and flow chart for the software section. Resistance 50 40 30 Fuly Fleeed 20 180 NEUTRAL 10 15 30 45 60 75 105 120 135 Angle in Degrees Show all calculations Important note for Questio short pseudocode if you think it is necessary for elaboration purpose. The marks will be given on the bases of practicality of your proposed solution. n No.5: Dont write any C or assembly code. You are only allowed to write

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