PIR Motion Sensor 12VDC

Description

Train detector works by detecting a change in temperature that occurs when a warm body moves across the sensor’s field of view. This causes an internal change in voltage that triggers a passthrough, 3-12 V DC 600MA input to output.   This is a great way to have your projects light up directly like an oil well pump, or building lights when you walk up to them. And have your lights turn off automatically when you leave. Use this sensor to detect your train as it passes, triggering a positive voltage equal to the input. Range is 3 to 8 yards. The sensor will turn on, then automatically turn off 20-30 seconds later. Check Sensors Explained. For ground trigger use SKU25340019