Make an echolocation device with a Raspberry Pi. via raspberrypi.org
In this resource you will make an echolocation device using your Raspberry Pi, which can be worn and which will help you see like a bat.
What Will Yo Learn
By creating an echolocation device with your Raspberry Pi, you will learn:
How to set up a potential divider
How to set up an ultrasonic distance sensor
How to calulate range from ultrasonic pulses
How to use Pulse Width Modulation (PWM) to control a small motor
How to use functions to abstract mathematical problems
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