FR58L4LS-2020M-2

      FR58L4LS-2020M-2

      FR58L4LS-2020M-2 referred to as 2020M is a high-performance and low-power 5.8G radar sensor launched by Ferry Smart. The radar module uses the Doppler principle to transmit high-frequency electromagnetic waves through the antenna and receive the initial reflected waves to determine the objects within the coverage area. movement, giving the corresponding electrical signal. The module size is 20*20MM. The module integrates 5.8G microwave circuit, intermediate frequency amplifier circuit and signal processor. It has high integration and good production consistency. The module has a built-in 32-bit MCU and transceiver antenna, which greatly improves the sensing performance of the sensor.

      The radar module has a long sensing distance, a wide angle, no dead zone, and the lens and lens aging problems are not affected by temperature, humidity, airflow, dust, noise, brightness and darkness.

      The rain filter leaf algorithm is implanted in the module, which can filter out the false triggering of rain leaves, and has stable performance. It is widely used in smart lighting, smart security and other fields.

      The module uses a low-power design, and the operating current is 3.6mA when a moving object is detected; it will automatically enter the sleep mode when no one is present, and the current is 70uA during sleep.

      Features

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      Device distribution diagram on the front and back of the module

      FR58L4LS-2020M-2 hardware reserved 5pin connection pin header, the pin distance is 2.54mm

      The following is a detailed description of each PIN corner name, function, working range, etc.

      Description of packaging method

      The module is packaged in a blister box and placed in the blister box;

      1. The blister boxes are stacked in the carton according to 10  boxes;

      2. The air raid in the carton is filled with instant noodles to reduce transportation wear;

      3. Bubble film is placed on the bottom of the carton to prevent transportation and wear;

      4. Cover the top layer with bubble film and seal with tape to prevent shaking.

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      Installation Precautions

      1. When installing the antenna, there should be no metal shells or parts on the front of the antenna to avoid shielding the signal. Blocks such as plastic or glass are allowed, but the blockers should not be close to the sky.

      front of the line;

      2. Try to avoid directing the radar antenna to large metal equipment or pipes, etc.;

      3. When installing multiple radar modules, try to ensure that the antennas of each radar module are parallel to each other, avoid direct irradiation between the antennas, and keep   1m between modules.

      the above spacing;

      4. The radar sensor should avoid facing the AC drive power supply, and try to stay away from the rectifier bridge of the drive power supply to prevent the power frequency from interfering with the radar signal;

      5. The power supply driving capability of the radar module is recommended to be no less than 50mA, otherwise it may cause the sensor to work

      6. When installing, ensure that the installation position of the sensor is firm and stable. The shaking of the radar itself will have a great impact on signal processing.

      7. When installing, try to ensure that the radar antenna is facing the area to be detected, and the surrounding area of the antenna is open and unobstructed.

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