Description:

This mini doppler radar sensor module is equipped with supporting DC 4-28V wide voltage This is a mini radar motion sensor module is equipped with RCWL-9196 chip based on the doppler microwave induction technology. It will automatically comtinuously output the high level TTL signel when there is motion. 360 degree no blind angle detection and maximum 7m sensoring distance with adjustable delay time and sensitivity. It is perfect for DIY microwave motion sensor light switch, human sensor toys, smart security devices, etc.

Notice:

• The right ahead of induction side should't place any metal to block
• The front/back side should reserve more than 1cm space
• Module and installation carrier

Features:

Equipped with RCWL-9196 chip supporting 4-28V wide voltage input, high level signal output when detecting the motion with active repeat trigger

360 degree no blind angle detection with 5-7m deteciting distance, the detection not affected by the surroundings, better performance than the IR sensor

Support night detecting function turn on /off, adjustable repeat trigger time and detecting distance by add the SMD components to the corresponding pins

Working Voltage: DC 4-28V

Board Size: 36 X 17mm

Specifications:

• Operating Voltage: 4-28V
• Operating Current: 2.8mA (typical); 3mA (max)
• Detection Distance: 5-9m
• Transmitting Power: 20mW (typical); 30mW (max)
• Output Voltage: 3.2-3.4V
• Output Voltage Driving Capacity: 100mA
• Trigger Way: repeat trigger
• Output Control Low Level: 0V
• Output Control High Level: 3.3V
• Operating Temperature: -20°C to +80°C
• Storage Temperature: -40°C to +100°C

Pin Definition:

• 3V3:3V3 power output
• GND:ground
• OUT:control output;when detect moving objects,it will output high level
• VIN:input voltage, 4-28V
• CDS:enable control chip,lower than 0.7V,OUT will output low level all the time

Function of the rear component positions:

• C-TM: This is the position of the capacitor to adjust the click time, the default is not 2s, the larger the value of the capacitor, the longer the click time.
• R-GN: This is the position of the resistor to adjust the distance to detect obstacles, the default is not connected is 7m, connecting 1M resistance will give a distance of 5m, smaller impedance will give closer distance.
• R-CDS: This is the position of the optical resistance, if mounted to this position, the sensor will not work in the evening.

Ex with Arduino:

Documents:

• test_radar_RCWL-0516
• GitHub Documentation
• Datasheet