GY US42 Ultrasonic Distance Sensor Module For Flight Controllers With I2C UART TTL PWM Interfaces Ideal For Pixhawk And APM Low Power Budget Friendly Compact Size Replacement For SRF02 MB1242
✔️ 3 data interfaces: UART, I2C, PWM; 3-5V supply; 20-720 cm range
The GY-US42 Ultrasonic Distance Sensor Module is a compact, low-power rangefinder designed for flight controllers and microcontroller projects. It uses a transducer to emit ultrasonic waves, measures the time of flight, and outputs distance in centimeters. Compatible with Pixhawk, APM, and other autopilot systems for obstacle detection and altitude sensing.
✅ Measuring range: 20 cm to 720 cm with 1 cm resolution
✅ Interfaces: UART TTL, I2C (address adjustable), PWM output
✅ Power and size: 3-5 V, 9 mA; 21.5 x 21 x 24.5 mm (0.85 x 0.83 x 0.97 in); 5 g
✅ Baud rates: 9600 or 115200 bps; configurable, continuous or trigger outputs
✅ Ranging blind zone: ~20 cm; accurate beyond this distance
💡 What is an ultrasonic distance sensor used for in hobby robotics and flight controller projects? - Handy for obstacle detection and navigation in drones - Useful for altitude sensing, ground proximity, and range finding - Works with flight controllers like Pixhawk and APM via UART, I2C, or PWM - Easy to integrate in microcontroller projects for distance measurement