Quantity   Component name
1 × Arduino arduino.cc
1 × Kemani or Amani Programmable Logic Device amani64.com
2 × 0.1uF Ceramic Capacitors
2 × OpAmp Modules BOB-09816 or build your own
1 × 4.7k Resistor
1 × Breadboard
1 × Maxbotix-UT Ultrasonic Transducer https://www.sparkfun.com/products/retired/8505