In the “piano” demo, that’s a Raspberry Pi, so he needed the usual 5 V to 3.3 V level shifting in between. ... HC-SR04, piano, raspberry pi, ultrasonic sensor. Post navigation.

If you plan on doing that with your Raspberry Pi, there are a few sensors that you absolutely must use to create the perfect smart home. ... There are several ways of utilizing an ultrasonic scanner.

Using a Raspberry Pi mini PC together with inexpensive HC-SR04 ultrasonic sensors as inputs, the system generates MIDI notes which can be played through a synthesizer on the Pi to output high ...

This module uses an ultrasonic sensor to trigger certain notes to be played through the pi. An object is held in front of the sensor and moved either closer or further away to make music. This is ...

In this module we will wire up an ultrasonic sensor and attach it to our Raspberry Pi. Using the ultrasonic sensor we will measure the distance an object is away from the sensor. The distance of the ...

Raspberry Shake, the maker of an eponymous Raspberry Pi-based seismograph, has launched a new sensor that can pick up inaudible sound waves from earthquakes, landslides, or even the next SpaceX ...

This Raspberry Pi parking sensor makes use of an ultrasonic distance sensor working in concert with a set of red, yellow, and green LED lights. The sensor is placed at the back of the garage and ...

With the additions of Bluetooth and Wi-Fi, the Raspberry Pi 3 is able to be used as a central hub to connect smart home devices and sensors. Raspberry Pi Zero: What You Can Do With This $5 Computer ...