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NGSS
(Echo Location/Animal Adaptation/Communication)
1-PS4-1 & 2 Waves and Their Applications in Technologies for Information Transfer4-LS1-1 From Molecules to Organisms: Structures and Processes
(Echo Location/Animal Adaptation/Communication)
1-PS4-1 & 2 Waves and Their Applications in Technologies for Information Transfer4-LS1-1 From Molecules to Organisms: Structures and Processes
Ultrasonic Sensor Project #1
In this lesson you will learn to set up an ultra sonic sensor and program it to sense the distance of objects. Follow the instructions in the slide tutorial below. You will need to add two 10k resistors between each ground and LED bulb. Don Not forget this or you probably will burn a bulb out!
ultrasonic1b.pdf | |
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Extension- What is the measurement in centimeters to the safe zone? Next, change the code until the safe zone activates at 1 meter. Use a meter tape to measure. Let teacher know when you get it to measure 1 meter. Go back to the code and see what the speed of sound is. Realize that that the sensor is converting the speed of sound into cm. Look up the speed of sound on Google.
Ultrasonic Sensor (with OLED Screen) #1.2 Measure Distance
Use the ultrasonic sensor to measure distance. Here you will learn how code an ultrasonic sensor to measure distance in centimeters and to include an OLED screen to display your readings/data. Follow the wiring diagram below and the coding on the next two slides.
Ultrasonic Sensor Project #2
Ultrasonic Sensor Project #3 Combining two different project codes to make the Ultrasonic Sensor do a different thing when triggered by an object.
In this project you will make the Ultrasonic Sensor play a song when a distance of 40 cm is reached. You will see how 2 different project codes can be combined to do a different function.
The video below give some instruction on how you might combine two different Arduino Codes into one to do a new project.
Ultra Sonic Sensor Project # 4 - Proximity Sensor with Piezo Alarm and LED
In this version, the sensor will activate the Piezo buzzer to play a sound, but also indicate with a green LED when all is clear and trigger a red LED at the same time the sound alarm plays. Follow the instructions below
Ultrasonic Sensor Project #5 - The Monster Box
Engineering
Engineering Design Process - What machines, situations, devices or places in the real world have similar functions as the proximity sensor you have been working on? Design a unique device that uses the concepts used in the proximity alarm you built in project #4. What kind of unique alarm could you make?
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