Fun science: PASCO guitar
thingiverse
Simple musical instrument from PASCO PASPORT Motion Sensor - PS-2103A, Photo gate ME-9498A and 850UI requires an appropriate loudspeaker for output on 850 UI. Print Settings: Printer: Molestock Rafts: No Supports: No Resolution: layer 0.2 mm (nozzle 0.4) Infill: 33% straight Notes: Printed from black PET. Overview and Background Pupils build a musical instrument using PASCO measuring system components, determining how to use the motion sensor for distance measurement, converting distance to frequency, relating pitch to frequency, and using photo gate as an optical switch. They also learn about amplitude relationships to volume and play songs. Lesson Plan and Activity What to measure? How to measure? Setting environment Distance tests Photo gate tests (switch) Building "guitar" What is Frequency What is Amplitude Reverse guitar (Guitarist nightmare) and normal guitar Songs (some competitions) Skills Learned Sound frequency Tone Tuning Sound Ultrasonic sensor Photogate Music Construction Building Duration of Lesson: 45 min Preparation: 3D printed parts Wooden prism (size on image) Wooden stick (size on image) References: More projects on www.e-mole.cz.
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