Description

The AJ-SR04M K02 is a waterproof ultrasonic sensor module designed for precise distance measurement in harsh or outdoor environments. It features a separate waterproof probe and an integrated control board, providing stable and accurate measurements even in wet, dusty, or corrosive conditions.

With wide compatibility and a working voltage of DC 5V, this sensor is ideal for industrial applications, water level detection, smart agriculture, parking systems, and other outdoor measurement systems. It outputs standard TTL-level signals and can be used with Arduino, Raspberry Pi, ESP32, and other microcontrollers.

Key Features:

• Model: AJ-SR04M K02

• Type: Waterproof ultrasonic ranging sensor with separate probe

• Operating Voltage: DC 5V

• Measurement Range: Typically 20cm to 600cm (varies by environment)

• Output: TTL-level Echo and Trigger signals

• Waterproof Rating: IP67 (probe) – suitable for outdoor use

• Separate Probe: Flexible installation for embedded or enclosed systems

• Application Areas:
   – Outdoor distance sensing
   – Water/liquid level detection
   – Smart trash bins
   – Parking sensors
   – Industrial monitoring

• Compact Integrated Board: Built-in processing circuit for plug-and-play usage

Advantages:

• Fully waterproof sensor head

• Accurate and reliable measurements

• Strong compatibility with standard microcontrollers

• Stable in rain, moisture, and dusty conditions

• Ideal for long-term, unattended deployments