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53xLIDAR is a solid state, 16 points lidar, based on ST's VL53L1x sensors

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53xLIDAR

Overview

Project for an opensource, all-in-one, solid state lidar.
The lidar is made with 16 VL53L1x Time-of-flight IR ranging sensors.

The sensors are operated by an STM32F411RE on two separate I2C buses, one for sensor 1-8, the other for 9-16. The XSHUTs are shared between two sensors on the two different I2C buses, while the sensors interrupts are separate for each sensor.
For future use, there is an LSM9DS1, 9 DOF inertial sensor onboard.

The lidar outputs the data via a virtual com port from the native Micro-USB, or via a 3.3V UART on a 4 pin JST-PH connector.
Power (5V 100mA) is provided through the USB or via the 4 pin uart connector.

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Hardware

The hardware is designed in KiCAD and released under CERN OHL licence.

It is formed by 16 sensor daughter boards, arranged in a 32 modules panel (only half panel is needed for one lidar, but for manufacturing reasons is made as a 32 modules panel); a bottom board containing all the electronics; a top board which brings the I2C line to the sensors and adds mechanical strenght and protection to the sensors.

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53xLIDAR is a solid state, 16 points lidar, based on ST's VL53L1x sensors

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