Lesson 4: Obstacle Avoidance with Ultrasonic on PICAR-X Raspberry Pi Smart Robot car by SunFounder

In this video we learn how measure distance using ultrasonic sensor and take action based on the distance, either stop, or reverse or turn the streeing .
Raspberry Pi robot car, with obstacle avoidance, camera and vision to detect object, signs and faces etc. Step by step tutorial is provided.

This vide is part of PICAR-X Smart Car video series strts here:

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Use Chapters from timeline or click on the time
00:00 Start
1:55 Ultrasonic Sensor
6:46 Code explained
11:16 Turning left/u turn
14:26 Demonstration on the table
15:12 Demonstration on the floor
16:06 Uploading your own code

Tutorial by Ahmad Shamshiri form Canada

Power Supply I use:

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#robojaxPython #SunFounder #robojaxPicarx

[jomac_ph]

Thank you, please upload more of this as a series. Very helpful to beginners like me. Cheers from Manila PH

[Videogame]

Your videos are great . Have changed how arduino open when searches my just open on one side
I was watching video esp32 and pca9685 . I'll need to use the IDE arduino . Any help 😊

[johnathanegebrecht]

I really need help on this, I tried all pi4 systems, 32bits, 64bits, legacy, bulleye, but the ultrasonic module will always return -1 on this part. I've tested the module and wiring, it will work with EZblock, but not the python code. I'm currently testing with Legacy 64bit full version which is what robojax used, the pyaudio is not successfully installed I manually installed it. Everything else works, but just not the ultrasonic, I've been testing for almost a week, about to get crazy...
Hope you could help me out, I will be really appreciated!

[Videogame]

I am trying get esp32 to work with the pca9685 when run you code it compilation error any help please using arduino IDE thanks😊