(a) Figure 3 shows the component used to create a pedal system for electric toy car. The speed of the car is controlled by a potentiometer. As an engineer you need to design a prototype for moving forward only based on the value from potentiometer. 3 Emitter Collector (a) (b) (c) Figure 3: (a) DC Motor, (b) TIP120 NPN Darlington and (c) Potentiometer (i) Construct a complete schematic diagram to interface with microcontroller by using two DC motor, two TIP120 and one potentiometer. Make sure all the labelling is included. (ii) Draw your flowchart for the electric toy car pedal system. (iii) From (i), develop a complete structured programming language by creating the function (def) for the DC motor movement based on analog value from potentiometer.

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Author:James Kurose, Keith Ross
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Chapter1: Computer Networks And The Internet
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(a) Figure 3 shows the component used to create a pedal system for electric toy car. The
speed of the car is controlled by a potentiometer. As an engineer you need to design a
prototype for moving forward only based on the value from potentiometer.
www.pololu.com
Base 1
3 Emitter
Collector
Collector
3 Emitter
(b)
(c)
Figure 3: (a) DC Motor, (b) TIP120 NPN Darlington and (c) Potentiometer
(i) Construct a complete schematic diagram to interface with microcontroller by
using two DC motor, two TIP120 and one potentiometer. Make sure all the
labelling is included.
(ii) Draw your flowchart for the electric toy car pedal system.
(5 Marks)
(iii) From (i), develop a complete structured programming language by creating the
function (def) for the DC motor movement based on analog value from
potentiometer.
Transcribed Image Text:(a) Figure 3 shows the component used to create a pedal system for electric toy car. The speed of the car is controlled by a potentiometer. As an engineer you need to design a prototype for moving forward only based on the value from potentiometer. www.pololu.com Base 1 3 Emitter Collector Collector 3 Emitter (b) (c) Figure 3: (a) DC Motor, (b) TIP120 NPN Darlington and (c) Potentiometer (i) Construct a complete schematic diagram to interface with microcontroller by using two DC motor, two TIP120 and one potentiometer. Make sure all the labelling is included. (ii) Draw your flowchart for the electric toy car pedal system. (5 Marks) (iii) From (i), develop a complete structured programming language by creating the function (def) for the DC motor movement based on analog value from potentiometer.
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