Quantity   Component name
1 × CPX Adafruit Circuit Playground Exresss https://www.adafruit.com/product/3333
1 × CPX Enclosure Adafruit Circuit Playground Express or Bluefruit Enclosure https://www.adafruit.com/product/3915
1 × Ultrasonic Transducer uxcell TCT40-16T Ultrasonic Transducer Transmitter Probe https://www.amazon.com/gp/product/B07VZBWX4J/ref=ppx_yo_dt_b_asin_title_o09_s00?ie=UTF8&psc=1
1 × USB Adapter UCEC USB 2.0 Adapter - A-Male To Micro-Male - Black (2 Pack) https://www.amazon.com/gp/product/B00TAM0MZW/ref=ppx_yo_dt_b_asin_title_o03_s00?ie=UTF8&psc=1
1 × Right Angle USB xfmr