Product Descriptions

Rd-03D is a radar module equipped with S5KM312CL chip, operating in the 24GHz K-band with a sweep bandwidth of up to 0.25GHz. This module adopts FMCW waveform and proprietary advanced signal processing technology, combined with MCU's proprietary radar signal processing and built-in intelligent positioning and tracking algorithm, which can detect multiple targets within a specified area and report the results in real time. Users can quickly develop corresponding target positioning and tracking products.

The Rd-03D module accurately perceives the motion status of the human body and the area, and is equipped with intelligent algorithms to achieve motion trajectory recognition and tracking, enabling speed and distance measurement of targets in the area, with faster recognition speed and lower power consumption. The module can be quickly configured and is suitable for various public propaganda facilities. It intelligently distinguishes between human body movements, micro movements, and stationary forms to control device switches. This module has good resistance to external interference and is not affected by wireless signals such as Wi Fi.

Product Specifications

The Rd-03D module has a total of 4 pins connected, as shown in the pin diagram. The pin function definition table is the interface definition

Product Installation precautions

When installing on the motherboard, the following points should be noted:

1. Try to ensure that the radar antenna is directly facing the area to be detected, and that there is no obstruction around the antenna.

2. To ensure that the installation position of the radar is firm and stable, the shaking of the radar itself will affect the detection effect

3. Ensure that there is no object movement or vibration on the back of the radar. Due to the penetrability of radar waves, the antenna signal back lobe may detect moving objects behind the radar. Metal shielding covers or metal backplates can be used to shield the radar back lobe and reduce the impact of objects on the radar back.

4. Due to differences in target size, status, RCS, etc., the distance accuracy of the target may fluctuate; At the same time, there may be slight fluctuations at the farthest distance.

5. When there are multiple 24GHz frequency band radars, please do not align the beams directly and try to install them as far away as possible to avoid possible mutual interference.

6. In order to meet the performance of the onboard antenna, it is prohibited to place metal parts around the antenna and keep them away from high-frequency devices

7. The input voltage range of the power supply is 5V, and the ripple of the power supply is required to be controlled within 100mV. Users need to consider corresponding electromagnetic compatibility designs such as ESD and lightning surge.

This product needs to be installed in a suitable environment, and the following environments will affect the detection effect:

1. There are non-human objects that are constantly moving within the sensing area, such as animals, curtains that are constantly swinging, and large green plants facing the air outlet.

2. There are large areas of strong reflectors in the sensing area, which can cause interference when facing the radar antenna

3. When installing on a wall, external interference factors such as air conditioning and electric fans at the top of the room need to be considered

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