How Accurate Is DI Distance Sensor? Grove Ultrasonic Sensor? Compare and Contrast

Carl has the DI Distance Sensor, and Dave has both the $30 DI Distance Sensor and a $4 Grove Ultrasonic Ranger. My tests showed the DI Distance sensor is quieter, slightly more accurate, can take more readings per second, and has slightly narrower beam width, but the Grove Ultrasonic is a super performer with a price that cannot be beat.

Here is a video with specifics comparing and contrasting TimeOfFlight sensors including the DI Distance Sensor chip VL530X and the HC-SR04 ultrasonic sensor of which the Grove Ultrasonic Ranger is a variation:

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