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Sparkfun原廠 LIDAR-Lite v3HP Arduino 雷射測距模組 ( SEN-14599)
影片：https://youtu.be/rPPDmfRknvE
DESCRIPTION
LIDAR has never looked so good! This is the LIDAR-Lite v3HP, a compact, high-performance optical distance measurement sensor from Garmin™. The LIDAR-Lite v3HP is the ideal optical ranging solution for drone, robot, or unmanned vehicle applications. Each sensor is housed in a durable, IPX7-rated housing and includes all the core features and user configurability of the popular LIDAR-Lite v3.
The v3HP is very similar in function to that of the v3 but it can now sample faster at rates greater than 1kHz (where as the v3 is only capable of up to 500Hz). Another improvement is that this v3HP model is more power efficient with current consumption rates 40mA less than the v3 (that’s 65mA as opposed to 105mA while idle, and 85mA instead of 130mA while acquiring).
Each LIDAR-Lite v3HP has a range of 5cm to 40m and features an edge-emitting, 905nm (1.3 watts), single-stripe laser transmitter, 8m Radian beam divergence, and an optical aperture of 12.5mm. This version of the LIDAR-Lite still operates at 5VDC (6V max) with a peak power of 1.3W and still possesses an accuracy of +/- 2.5cm at >2m. On top of everything else, the LIDAR-Lite is user-configurable, allowing adjustment between accuracy, operating range and measurement time and can be interfaced via I2C or PWM with the attached 200mm cable.
Note: CLASS 1 LASER PRODUCT CLASSIFIED EN/IEC 60825-1 2014. This product is in conformity with performance standards for laser products under 21 CFR 1040, except with respect to those characteristics authorized by Variance Number FDA-2016-V-2943 effective September 27, 2016.
Important: The LIDAR-Lite v3HP is NOT a drop in replacement for the LIDAR-Lite v3. The sample code specific to LIDAR-Lite v3 does not work properly with the LIDAR-Lite v3HP. Updated sample code will be showing up shortly in the Garmin Github. Until then, we recommend checking out the User Manual in the Documents tab for updated command and control registers.
FEATURES
- 分辨率 Resolution：1 cm
- 精度 Typical accuracy：+/- 2.5cm at distances greater than 2 meters (Refer to operating manual for complete operating specifications)
- 範圍 Range：5cm to 40m
- 更新率 Update rate：Greater than 1kHz
- 接口 Interface：I2C or PWM
- 工作電壓 Power (operating voltage)： 4.75-5VDC; 6V Max
- 電流消耗 Current consumption：65ma idle; 85ma during acquisition
- 工作溫度 Operating temperature：-20°C to 60°C
- 激光波長/峰值功率 Laser wave length/Peak power：905nm/1.3W
- 光束散度 Beam divergence：8m Radian
- 光圈 Optical aperture：12.5mm
- 水平級 Water rating：IPX7
- 尺寸 Unit dimensions：24.5mm x 53.5mm x 33.5mm (1.0in x 2.1in x 1.3in)
- 重 Weight：34g (1.2oz)
Hardware Overview
Differences Between v3 and v3HP
Functionally, the LIDAR-Lite v3 and LIDAR-Lite v3HP are quite similar. The primary differences are listed here:
| Specs | LIDAR-Lite v3 | LIDAR-Lite v3HP |
| Update Rate | 500 Hz | > 1kHz |
| 消耗電流（閒置）
Current Consumption (idle) | 105 mA | 65 mA |
| 消耗電流（購置）
Current Consumption (acquisition) | 130 mA | 85 mA |
| Casing | None | IPX7 rated casing |
Note: An IPX7 rating means that the body of this device can withstand incidental exposure to water of up to 1meter for up to 30 minutes. The bare wire portion of the wiring harness is not water resistant. All bare wire connections must either be made in a water tight location or properly sealed.
DOCUMENTS
