Ultrasonic sensor-driven theremin with multiple instrument models and theremin-style volume modulation.

• Matthew Austin
• Lucian Freeze
• Brett Whitson

• https://sonic-pi.net
• https://www.tutorialspoint.com/python3/python_multithreading.htm
• https://pimylifeup.com/raspberry-pi-distance-sensor/
• https://pythonhosted.org/pynput/keyboard.html#monitoring-the-keyboard
• https://pypi.org/project/python-osc/
• https://pypi.org/project/pynput/