Waterproof ultrasonic electronics and open-source controllers like Betaflight

and open-source controllers like Betaflight or ArduCopter

and power distribution board are not sealed and will be damaged by water immersion

sedimentation basins

The camera features manual mechanical focus adjustment through the lens barrel

Waterproof ultrasonic electronics and open-source controllers like BetaflightWaterproof ultrasonic A waterproof ultrasonic sensor is a non contact distance measurement device that uses high frequency sound waves (typically 40kHz) to detect objects and measure distances in wet or humid environments without degradation. Professional engineers, automation technicians, and roboticists rely on these sensors for level detection, proximity sensing, and obstacle avoidance in water treatment plants, aquaculture systems, and outdoor