Product Manual of TFmini Plus LiDAR Module
◆ This manual provides all the essential information during the usage of this product.
◆ Please carefully read this manual and make sure that you fully understand everything herein.
●Usage of Product:
◆ The maintenance of this product should be done by the professional technician, and the product can only work with the factory spare part for ensuring the performance and safety.
◆ This product itself has no polarity and over-voltage protection. Please properly connect and supply power as described in this manual.
◆ Operating temperature of this product is between -20℃ and 60℃. Do not use it beyond this temperature range to prevent malfunction.
◆ Storage temperature of this product is between -20℃ and 75℃. Do not store it beyond this temperature range to prevent malfunction.
◆ For ensuring the product performance, do not open the product shell or remove the IR-pass filter.
●Conditions with Potential Malfunction:
◆ Detecting object with high reflectivity, such as the mirror or the smooth floor tile, may cause a system malfunction.
◆ The product will malfunction if there is any transparent object between it and the detecting object, such as glass or water.
◆ The product will malfunction if its emitting or receiving IR-pass filter is covered by the dust. Please keep the IR-pass filters clean.
◆ Please do not spread ethyl alcohol on the IR-pass filters, which are made of acrylic, IR-pass filters will be damaged.
◆ Please do not pull the fine wire, the wire may be damaged.
●Product description:
TFmini Plus is a milestone of Benewake in the process of promoting the cost-effective -LiDAR. Apart from low-cost, small-size and low-power-consumption, TFmini Plus also improves the frame rate, introduces IP65 enclosures and optimizes various compensation algorithms. These new characters greatly expand the application fields and scenarios of TFmini Plus. The product is compatible with both the UART and I²C interface. Different interfaces can be switched by commands.
●Principle of Distance Measurement:
TFmini Plus is based on ToF, namely, Time of Flight principle. To be specific, the product emits modulation wave of near infrared ray on a periodic basis, which will be reflected after contacting object. The product obtains the time of flight by measuring round-trip phase difference and then calculates relative range between the product and the detection object, as shown in Figure1.
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