ITEC40091 - Embedded Systems - Pedestrian Mode - Engineering Assignment Help

Assignment Task :

I. Project Requirements (ITEC40091)
You will work in a group of two on the project to design an embedded system using the Arduino and other sensors available in your starter kit. You are also required to justify your design solution by describing into sufficient detail the rationale for each decision.  

II. Assessment Scenario/Problems

1. Smart Traffic Light, 2. Smart Street Light, 3. Smart Parking System
Details of one project is given, other projects will be quite similar in format.

The following defines the three modes of operation Smart Traffic Light:
1. Regular Mode: - This is the regular mode of operation. In this mode, the three lights (Red, Yellow and Green LEDs) should operate in the following order. The Red LED lights for 2 seconds, followed by the Yellow LED for 1 second, the Green LED for 2 seconds and then the Yellow LED again for 1 second. The cycle should repeat until the mode changes.

2. Pedestrian Mode: - This mode uses the SRF05 Ultrasonic Range Finder to detect the proximity of any object. The lights should operate as defined in the regular mode UNTIL an object is detected less than 10 cm from the TLC. The buzzer should then beep and the Yellow LED must blink ON/OFF (flashing intervals of 0.1 sec) repeatedly 10 times. The buzzer should then stop beeping and the operation of the lights (not the system) must behave as it would in the regular mode.

3. Night Mode: - This mode uses the Light Dependent Resistor (LDR) to determine how much light falls on the TLC. Using the LDR, the TLC should operate in the regular mode if the amount of light is above a set threshold, defined by you the designer. When the light intensity drops below the threshold, the Red LED should turn ON and stay ON UNTIL an object approaches the TLC. The Green LED MUST turn ON and stay ON for as long as the object remains in close proximity to the TLC

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