A new guide in the Adafruit Learning System: Ultrasonic Sonar Distance Sensors
Use the ubiquitous HC-SR04 and US100 sensors easily in CircuitPython!
If you’re like me, you’ve dreamed of being a dolphin – smoothly gliding through the water. Using your echo-location abilities to detect tasty fish treats. Until genetic modifications catches up with our desires, we’ll just have to make do with these handy HC-SR04 and US100 Ultrasonic Sonar Distance Sensors and a pair of flippers.
These ubiquitous sensors are really common in robotics projects, but they can also be used for automation, interactive art and motion sensing. They work at about 2 cm to 400 cm away, but we think 10 cm to 250 cm will get you the best results.
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