STMicroelectronics X-NUCLEO-53L7A1 Time-of-Flight Ranging Board is used for any STM32 Nucleo board equipped with the Arduino® R3 connectors. The STMicroelectronics is an evaluation kit to learn, evaluate, and develop applications using the VL53L7CX Time-of-Flight 8×8 multizone ranging sensor with 90° FoV. The expansion board is delivered with a cover glass holder to fit three different spacers of 0.25mm, 0.5mm, and 1mm below the cover glass to simulate various air gaps.