📡 SONIC I2C Unit – Ultrasonic Distance Sensor The SONIC I2C Unit is a high‑precision ultrasonic distance sensor module designed for easy integration into I2C‑based systems. By leveraging the I2C interface, it supports multi‑sensor operation on a single bus, reducing wiring complexity and optimizing I/O resource usage. Equipped with the RCWL‑9620 ultrasonic chip and a 16mm probe, the module delivers accurate distance measurements from 2 cm to 450 cm, with an accuracy of up to ±2%. ⚙️ Features ✅ I2C interface for simplified wiring and multi‑sensor scalability ✅ RCWL‑9620 ultrasonic chip with 16mm probe ✅ Wide measurement range: 2 cm – 450 cm ✅ High accuracy: ±2% ✅ Supports robotics, automation, and fluid level detection ✅ Compact design for easy integration Product Features RCWL-9620 Chip I2C communication interface (addr: 0x57) Measuring range: 2cm-450cm Protective housing Built-in temperature compensation, reduce the temperature drift Support UIFlow platform Includes 1x Unit UNIT SONIC I2C 1x HY2.0-4P cable (20cm) Application Robot Obstacle Avoidance Fluid Level Detection Sitting Posture Detection Specifications Specifications Parameters Ultrasonic Ranging Single Chip RCWL-9620 Range 2cm-450cm Probe Specifications 16mm Receiving/Transmitting Frequency 40KHz Receiving sensitivity -65dB Pointing angle 60° Measurement accuracy ±2% Measurement period 50ms Working current 2mA Net weight 10g Gross weight 25g Product size 56 * 24 * 15mm Packing size 76 * 47 * 29mm Arduino IDE Demo M5Unit-Sonic with M5Atom M5Unit-Sonic with M5Core M5Unit-Sonic with M5Core2 M5Unit-Sonic with M5StickC M5Unit-Sonic with M5StickCPlus
