Exploring the Intricacies of Pedestrian Light Systems
Delve into the complexities of pedestrian light systems, from the coordination with traffic signals to the incorporation of smart city technology. Discover how these systems ensure safety and efficiency for pedestrians and drivers alike.
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Presentation Transcript
Pedestrian light
INTRODUCTION Hello, my name is Raihan Paravatty. I am 10 years old, and in 5th grade. I love to play basketball in school, and my favorite subject is math. When I grow up, I want to be an inventor and astronomer. In my free time, I like to play with my Transformer toys, watch documentaries, and build new things. One such invention is the Ship, which allows a tiny boat to move using the sun s light. Some of my friends are Aditya, Mason, Viaan, Aarnav, Ishan, Jagveer, Atharv, and more. I love to dance, and if you were here this year, you may have noticed me dancing on the Panther Prowl. Finally, my favorite color is blue, red, and white. This is because these are the colors of my favorite fictional hero, Optimus Prime, a transformer who is the leader of the Autobots.
SHOW AND TELL TOPIC This is my project on the pedestrian light. A pedestrian light may seem straightforward, but it involves a surprisingly intricate system of timing, technology, and safety features. Beyond the basic "walk" or "don't walk" signals, these systems must be carefully coordinated with surrounding vehicle traffic signals to ensure both pedestrian safety and smooth traffic flow. Timing is not fixed; it often adapts based on real-time data from sensors that detect pedestrian presence, traffic conditions, or even the time of day. In busy areas, pedestrian signals might include features like countdown timers, audible beeps for visually impaired individuals, or vibrating poles to provide tactile feedback. These signals also need to be synchronized with traffic light cycles, which can be further complicated by protected turn signals or pedestrian-only phases that stop all vehicular movement for safe crossing. Moreover, many modern pedestrian lights are part of larger smart city systems, using big data or even AI to adjust signal timing dynamically, depending on patterns of movement. These systems balance the needs of pedestrians, vehicles, and cyclists, all while maintaining energy efficiency and complying with accessibility standards. The complexity of pedestrian signals lies in how these many components must work seamlessly together, creating an infrastructure that feels simple but is the product of sophisticated coordination.
from lcd_module import* from microbit import* display.off() buzzer=pin16 A=pin3 B=pin4 C=pin6 D=pin7 E=pin8 F=pin9 G=pin10 A.write_digital(1) B.write_digital(1) C.write_digital(0) D.write_digital(1) E.write_digital(1) F.write_digital(0) G.write_digital(1) sleep(1000) A.write_digital(0) B.write_digital(1) C.write_digital(1) D.write_digital(0) E.write_digital(0) F.write_digital(0) G.write_digital(0) sleep(1000) A.write_digital(1) B.write_digital(1) C.write_digital(1) D.write_digital(1) E.write_digital(1) F.write_digital(1) G.write_digital(0) Code and Operation red_led=pin13 green_led=pin14 speech.say("People are allowed to move.") sleep(500) green_led.write_digital(0) red_led.write_digital(1) where to find: https://python.microbit.org /v/3 A.write_digital(1) B.write_digital(0) C.write_digital(1) D.write_digital(1) E.write_digital(0) F.write_digital(1) G.write_digital(1) sleep(1000) buzzer.write_digital(1) sleep(500) buzzer.write_digital(0) red_led.write_digital(0) green_led.write_digital(1) sleep(500) A.write_digital(0) B.write_digital(0) C.write_digital(0) D.write_digital(0) E.write_digital(0) F.write_digital(0) G.write_digital(0) sleep(500) A.write_digital(0) B.write_digital(1) C.write_digital(1) D.write_digital(0) E.write_digital(0) F.write_digital(1) G.write_digital(1) sleep(1000) A.write_digital(1) B.write_digital(1) C.write_digital(1) D.write_digital(1) E.write_digital(0) F.write_digital(0) G.write_digital(1) lcd.write('***CARS ARE FREE***',1,0) lcd.write('***TO MOVE***',1,1) sleep(2000)
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