Purple Board
Descriptions
The VL53L0X from ST Microelectronics is a time-of-flight ranging system integrated into a compact module. This board is a carrier for the VL53L0X, so we recommend careful reading of the VL53L0X datasheet (1MB pdf) before using this product.
The VL53L0 uses ST's FlightSense technology to precisely measure how long it takes for emitted pulses of infrared laser light to reach the nearest object and be reflected back to a detector, so it can be considered a tiny, self-contained lidar system. This time-of-flight (TOF) measurement enables it to accurately determine the absolute distance to a target without the object's reflectance greatly influencing the measurement. The sensor can report distances of up to 2 m (6.6 ft) with 1 mm resolution, but its effective range and accuracy (noise) depend heavily on ambient conditions and target characteristics like reflectance and size, as well as the sensor configuration. (The sensor's accuracy is specified to range from ±3% at best to over ±10% in less optimal conditions.)
Ranging measurements are available through the sensor's I⊃2;C (TWI) interface, which is also used to configure sensor settings, and the sensor provides two additional pins: a shutdown input and an interrupt output.
The VL53L0X is a great IC, but its small, leadless, LGA package makes it difficult for the typical student or hobbyist to use. It also operates at a recommended voltage of 2.8 V, which can make interfacing difficult for microcontrollers operating at 3.3 V or 5 V. Our breakout board addresses these issues, making it easier to get started using the sensor, while keeping the overall size as small as possible.
The VL53L0 uses ST's FlightSense technology to precisely measure how long it takes for emitted pulses of infrared laser light to reach the nearest object and be reflected back to a detector, so it can be considered a tiny, self-contained lidar system. This time-of-flight (TOF) measurement enables it to accurately determine the absolute distance to a target without the object's reflectance greatly influencing the measurement. The sensor can report distances of up to 2 m (6.6 ft) with 1 mm resolution, but its effective range and accuracy (noise) depend heavily on ambient conditions and target characteristics like reflectance and size, as well as the sensor configuration. (The sensor's accuracy is specified to range from ±3% at best to over ±10% in less optimal conditions.)
Ranging measurements are available through the sensor's I⊃2;C (TWI) interface, which is also used to configure sensor settings, and the sensor provides two additional pins: a shutdown input and an interrupt output.
The VL53L0X is a great IC, but its small, leadless, LGA package makes it difficult for the typical student or hobbyist to use. It also operates at a recommended voltage of 2.8 V, which can make interfacing difficult for microcontrollers operating at 3.3 V or 5 V. Our breakout board addresses these issues, making it easier to get started using the sensor, while keeping the overall size as small as possible.
PIN Description
VDD Regulated 2.8 V output. Almost 150 mA is available to power external components. (If you want to bypass the internal regulator, you can instead use this pin as a 2.8 V input with VIN disconnected.)
VDD Regulated 2.8 V output. Almost 150 mA is available to power external components. (If you want to bypass the internal regulator, you can instead use this pin as a 2.8 V input with VIN disconnected.)
VIN This is the main 2.6 V to 5.5 V power supply connection. The SCL and SDA level shifters pull the I⊃2;C lines high to this level.
GND The ground (0 V) connection for your power supply. Your I⊃2;C control source must also share a common ground with this board.
SDA Level-shifted I⊃2;C data line: HIGH is VIN, LOW is 0 V
SCL Level-shifted I⊃2;C clock line: HIGH is VIN, LOW is 0 V
XSHUT This pin is an active-low shutdown input; the board pulls it up to VDD to enable the sensor by default. Driving this pin low puts the sensor into hardware standby. This input is not level-shifted.
Blue Board
Product Description
- VL53L0 can be completed in a frame of the entire measurement operation, usually less than 30ms, the distance is less than 2 meters. This distance measurement allows the camera to focus instantly in both shooting and continuous shooting modes, maintaining the same performance even in low light or low contrast scenes, while for low-light or low-contrast scenes without a ToF Is a huge challenge. Thanks to its excellent ranging accuracy, the VL53L0 also boosts smartphone application performance, including dual-camera depth maps. The VL53L0 module of STMicroelectronics is easy to use (6 valid pins), provides an I2C interface, comes with a full set of API drivers and technical documentation to make system integration quick and easy. The module package supports reflow soldering process, RoHS compliance limits, fully compatible with a variety of glass cover and appearance
- The VL53L0X extends the ToF ranging length to two meters with an accuracy of ± 3%. Measurement speed faster than the previous generation, ranging time less than 30ms; more energy efficient, normal mode of operation power consumption is only 20mW, standby power consumption is only 5μA. The sensor to complete the distance calculation within the I2C bus interface output data, thus the system's main controller needs to a minimum.
- The internal laser emits 940nm wavelengths of non-visible light and does not harm the eyes. This eliminates the problem of reddistribution with other infrared proximity detection sensors and enhances the immunity to external light sources. The sensor's digital architecture and automatic compensation make it possible to achieve high ambient light levels.
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VL53L0X sensing capabilities can support a variety of functions, including a variety of innovative user interface gesture sensing or proximity detection; sweeping robots and other appliances, wall detection, cliff detection, collision detection; sanitary products, such as: faucet, soap dispenser, Dry cell phones and irrigators; other targeted applications include laptop user presence detection or power switch monitors, unmanned aerial vehicles and IoT products.
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