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Raspberry Pi Distance Sensor #piday #raspberrypi @Raspberry_Pi
Pretty cool project by Gus via PiMyLifeUp:
We will be showing you how to wire the HC-SR04 sensor up to the Raspberry Pi, including how to wire a voltage divider as the circuit requires one to drop the 5v output from the sensor to 3.3v for the Raspberry Pi. This is just one of many sensors you can use with your Raspberry Pi, if you’re interested in more, then be sure to check out our Raspberry Pi sensor tutorials section.
Including showing how to wire up the sensor to the Raspberry Pi, we also explore writing a Python script that will utilize the HC-SR04 Ultrasonic sensor to calculate distance. We achieve this by measuring the time it takes the ultrasonic pulse being sent out to it being received back by the sensor.
Each Friday is PiDay here at Adafruit! Be sure to check out our posts, tutorials and new Raspberry Pi related products. Adafruit has the largest and best selection of Raspberry Pi accessories and all the code & tutorials to get you up and running in no time!
Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.