Quantity   Component name
1 × Raspberry Pi 2B, 3B or 3B+
1 × Micro-USB PSU (2A or more)
1 × 8GB SD card
1 × Raspberry Pi's official 7" Touchscreen
1 × RasPiO Analog Zero <a target="_blank" rel="noopener noreferrer" href="http://rasp.io/analogzero">http://rasp.io/analogzero</a>
8 × Piezoelectric sensors <a target="_blank" rel="noopener noreferrer" href="http://www.puiaudio.com/product-detail.aspx?categoryId=5&amp;partnumber=AB1541B-LW100-R">http://www.puiaudio.com/product-detail.aspx?categoryId=5&amp;partnumber=AB1541B-LW100-R</a>
1 × USB Soundcard or Audio Codec (for instance: <a target="_blank" rel="noopener noreferrer" href="https://www.justboom.co/product/justboom-dac-hat/">https://www.justboom.co/product/justboom-dac-hat/</a>)