Miniature Ultrasonic Distance Ranging Obstacle Avoidance Sensor (3m, RS485, IP67) SF_Buttons and Switches While it is a nice

While it is a nice fit for indoor projects

Works with Mega/ADK R2 and earlier with 2 wire jumpers

so be sure to prepare to use a bit of space

240x320 resolution

Miniature Ultrasonic Distance Ranging Obstacle Avoidance Sensor (3m, RS485, IP67) SF_Buttons and Switches While it is a niceWith a measurement range of up to 3m, the RS485 ultrasonic obstacle avoidance distance ranging sensor offers advantages such as small blind zones (Measurement accuracy: 1 + (S * 0. 3%) cm), narrow measurement angles (30 60), short response times (15 750ms), filtering of same frequency interference, compact size, high installation adaptability, IP67 dust and waterproof capabilities, a long lifespan, and high reliability. It is designed for robot