功能

• Description
• The SparkFun OpenPIR is a highly customizable Passive Infrared(PIR)sensor based around the NCS36000 PIR controller. Passive infrared(PIR)sensors are able to detect motion in a small/local area ?-- they're the sensor of choice in security systems, home automation and proximity-sensing applications. The OpenPIR allows you to set the sensitivity, trigger time and pulse mode of the motion sensor so you can tailor-fit it to your application!
• The OpenPIR has a multitude of characteristics unique to itself, including two trimpots to adjust sensitivity(view distance)and the oscillator to control the length of time the output remains HIGH, as well as a trigger that supports two motion-detection modes:single-pulse and dual-pulse. Additionally, each OpenPIR is equipped with a reverse-entry green LED, which duplicates the status of the OUT pin. When motion is detected, the LED will illuminate; otherwise it will remain off.
• The SparkFun OpenPIR supports a power supply range of 3VDC to 5.75VDC at 80μA standby(3mA when detecting motion)and is able to be connected via a standard 0.1" header or a 4-pin JST PH connector.
• Need a custom board?
• This component can be found in SparkFun's A La Carte board builder. You can have a custom design fabricated with this component - and your choice of hundreds of other sensors, actuators and wireless devices - delivered to you in just a few weeks.
• Get Started with the SparkFun OpenPIR Guide
• Features
• Voltage Supply Range:3VDC to 5.75VDC
• Standby Average Current:80μA
• Motion-Detected Average Current:3mA(LED enabled)
• Integrated 2?Stage Amplifier
• Internal LDO to Drive Sensor
• Internal Oscillator with External RC
• Single or Dual Pulse Detection
• Documents
• Schematic
• Eagle Files
• Hookup Guide
• Datasheet(NCS36000)
• GitHub