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This robot ultrasonic sensor operates on 3.3–24 V DC with UART, PWM, RS485, I²C, and digital/switching outputs. It offers a 3–500 cm flat-object range, ≤3 cm blind zone, temperature-compensated accuracy of 1+(S*0.3%) cm, and 50–90° single/dual beam angles. With fast response (PWM <7 ms) and ≤1000 ms power-on time, it is ideal for robot navigation, obstacle avoidance, and distance measurement.
Note
A: This robot ultrasonic sensor operates on 3.3 to 24 V DC, with an average working current of ≤6 mA for UART Auto, UART Controlled, PWM, and Digital/Switching modes (RS485: ≤10 mA, I²C: ≤8 mA). For battery‑powered robots, the key feature is its low‑power sleep logic: if no control command is received for more than 5 seconds, the sensor enters a dormant state, where the standby current drops to ≤5 µA in UART Controlled and PWM modes. Note that RS485 (7000 µA) and I²C (6000 µA) remain in mA‑level standby, so they are not ideal for long‑term battery idle.
A: The accuracy of this robot ultrasonic sensor is defined as 1 + (S × 0.3%) cm, where S is the measured distance in centimeters. The reference tests were conducted under 25°C, 65% RH, using a 50 × 60 cm flat carton as the target. For example, at 500 cm, the error is approximately 1 + 1.5 = 2.5 cm. This formula helps you estimate the real‑world deviation before integrating the sensor into your robot's control loop.
A: This robot ultrasonic sensor operates on 3.3 to 24 V DC, so it works with both low-voltage embedded controllers and standard 24 V industrial supplies. The power-on time is ≤1000 ms, meaning you should allow at least 1 second after power-up before reading valid measurement data. For power budgeting: average working current is ≤6 mA for UART Auto, UART Ctrl, PWM, and Switching modes; ≤10 mA for RS485; and ≤8 mA for I²C. Standby current is ≤5 µA in UART Ctrl/PWM modes, while RS485 and I²C remain at 7 mA and 6 mA respectively; UART Auto and Switching have no specified standby current.
