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A miniature lidar proximity sensor that detects objects in the range of 1 mm to 300 cm by generating a PWM signal proportional to distance. It operates in the 3-5.5 V range, draws 30 mA, features an ENABLE pin for sleep mode, a 3-pin JST SH connector, and an indicator LED. Its resistance to color, transparency, and lighting makes it ideal for robotics, automation, and contactless interfaces. Pololu 5493
The miniature proximity sensor based on lidar technology enables object detection at distances of up to 300 cm. Thanks to lidar technology, the sensor’s operation is unaffected by color, transparency, or ambient lighting.
The sensor precisely measures the return time of emitted laser light pulses (940 nm), making it significantly more accurate than traditional reflective sensors. No direct contact with the object is required, increasing the durability and reliability of the entire system. It generates a digital output signal that, similar to a servo control signal, changes pulse width depending on the detected distance. The minimum detection range is less than 1 mm, enabling accurate detection of very close obstacles. For distance measurement, the manufacturer ensures high accuracy within the range from 4 cm to 300 cm.


The sensor operates within a voltage range of 3 to 5.5 V, allowing for easy integration with popular microcontroller platforms. Typical current consumption is 30 mA during operation and only 0.4 mA in sleep mode. The ENABLE pin allows the sensor to be switched into low-power mode. The device features a side-mounted 3-pin JST SH connector, compatible with ready-made JST SH cables for quick prototyping.
This sensor is perfect for mobile robotics as an obstacle detector or as part of a touchless user interface. It can also serve as a counter or presence sensor in home and industrial automation. Its small size allows installation in hard-to-reach places. With a wide operating temperature range and robust construction, it is suitable for both prototypes and final applications. The high refresh rate (up to 33 Hz) ensures a fast response to environmental changes.
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A miniature lidar proximity sensor that detects objects in the range of 1 mm to 300 cm by generating a PWM signal proportional to distance. It operates in the 3-5.5 V range, draws 30 mA, features an ENABLE pin for sleep mode, a 3-pin JST SH connector, and an indicator LED. Its resistance to color, transparency, and lighting makes it ideal for robotics, automation, and contactless interfaces. Pololu 5493