Depth Sensing
From apertus wiki
Using Light Detection and Ranging (LiDar) or Time of Flight (ToF) sensors.
TFMini - Micro LiDAR Module (Qwiic)
Single pixel, Resolution: 1cm, Maximum Reads Per Second: 100, Minimum Detected Object Size at 2m: 20mm, 45$ https://www.sparkfun.com/products/14786
Opne8008B
320x240, up to 10m, Distance & confidence data at max 120 FPS, 380$ https://www.seeedstudio.com/Opene8008B-QVGA-Time-of-Flight-Sensor-Evaluation-Kit-p-4424.html