ultrasonic sensor raspberry pi 4
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Today’s build
Wire an HC-SR04 ultrasonic sensor to a Raspberry Pi (3 or 4) and measure distance in real time.
Parts list
Raspberry Pi 3 / 4 — https://amzn.to/4dj56BT
Breadboard — https://amzn.to/43eqiEk
SD Card — https://amzn.to/3ZfS9Tq
HC-SR04 ultrasonic sensor — https://amzn.to/3SBj8oK
1 kΩ resistor — https://amzn.to/45b2cwK
2 kΩ resistor — https://amzn.to/45b2cwK
8 × female-to-male jumper wires — https://amzn.to/43eqiEk
(The Amazon links are affiliate; they don’t cost you extra, but I may earn a tiny kickback that helps keep these projects free.)
Code & credits
This walkthrough (with a few tweaks) is based on Pi Hut’s excellent tutorial: https://thepihut.com/blogs/raspberry-...
Happy hacking—and don’t forget to snag your PDF!
https://tally.so/r/w5EeNv