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The Microwave Radar Human Body Sensor has a Transmission signal processing control chip rcwl-9196. This human body sensor has a Wide operating voltage range of 4.0-28V.
The RCWL-0516 Microwave Radar Sensor is a mini doppler radar sensor module equipped with supporting DC 4-28V wide voltage. It is an alternative to the PIR sensor and uses in many security alarms system. This is a mini radar motion sensor module equipped with RCWL-9196 chip based on the doppler microwave induction technology. It will automatically continuously output the high-level TTL signal when there is motion with adjustable delay time and sensitivity. It is perfect for DIY microwave motion sensor light switch, human sensor toys, smart security devices, etc.
The output of the RCWL-0516 sensor is analog and can be connected to an analog input of a microcontroller and sampled by an ADC. The output voltage is roughly proportional to the distance between the sensor and the object. However, since it relies on a Doppler radar system, signal reflections from other nearby objects can interfere with the measurement, making it less reliable and accurate than other kinds of sensors. The reflections from different kinds of objects can also influence measurements, for example, metallic objects have a stronger reflection than plastic objects.
Pinout of RCWL-0516 Microwave Radar Sensor
|
Operating Voltage |
4 ~ 28VDC |
| Max. Operating Current | 3mA |
|
Transmitting Power |
20mW (typical); 30mW (max) |
| Output Voltage | 3.2 ~ 3.4 |
|
Output Voltage Driving Capacity |
100mA |
|
Trigger Way |
Repeat Trigger |
|
Output Control Low Level |
0V |
|
Output Control High Level |
3.3V |
|
Operating Temperature |
-20 to 80°C |
| Dimensions | 3 x 2 x 1cms |
| Weight | 5 grams |
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