Quantity   Component name
1 × FRDM-K64F ARM Cortex M4 board from NXP (formerly Freescale)
2 × SPH0641LU4H-1 Knowles ultrasonic MEMS microphone
1 × UT-1240K-TT-R PUIAudio ultrasonic transmitter 30vrms
1 × MIC2297-42YML-TR Power Management ICs / Switching Regulators and Controllers
1 × MC34072AMTTBG 3-44 V DUAL OPAMP VIO