Like the traditional PIR sensor, RCWL-0516 is a widely popular sensor that also detects movements and is used in Alarms or for security purposes. This sensor uses a “microwave Doppler radar” technique to detect moving objects within its range. It has a sensitivity range of ~7 meters and that is very useful for multiple applications.
When triggered, its TTL-level output pin changes state from LOW which is 0V to HIGH which is 3.3 V. The changed HIGH state remains HIGH for 2 to 3s which is a proper time to trigger something. As this sensor module provides output for 3.3V, it can easily be interfaced in with many microcontrollers and even can be used without a microcontroller. It has a power supply input range from 4 to 28 V.
RCWL-0516 pinout:
Specification: -
- Operating Voltage (VDC): 4 ~ 28V
- Max. Operating Current (mA): 3
- Detecting Range: 5-9m
- Transmitting Power : 20mW (typical); 30mW (max)
- Output Voltage(V) : 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 (°C) : -20 to 80
- Adjustable Block time and distance
- Penetrating detection capability, compared with the traditional infrared feeling PIR.
RCWL-0516 Dimension and footprint:
Application:
- Security
- Motion and Movement Detection
- Alarm System
- Indoor Tracking System
Example Projects on RCWL-0516:
RCWL-0516 Information, schematic, usage
Additional Resources:
Package Contains
1x RCWL-0516 Sensor
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