| Management number | 234963418 | Release Date | 2026/07/02 | List Price | $5.62 | Model Number | 234963418 | ||
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The Pololu Distance Sensor w/ Pulse Width Output, 50cm Max measures the distance of objects up to about 50 cm (20-inch) away using a simple digital pulse width interface.
It uses a short-range lidar module to precisely measure how long it takes for emitted pulses of infrared, eye-safe laser light to reach the nearest object and be reflected back, allowing for 3 mm resolution.
As long as the sensor is enabled, it takes continuous distance measurements and encodes the ranges as the widths of high pulses, which can then be timed by a microcontroller using a single digital input.
Note: The maximum range of 50 cm is only achievable for high-reflectance objects in good ambient conditions. Lower-reflectivity targets or poor ambient conditions will reduce the maximum range.
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