Good afternnoon All About Electronics,
Would like to get the Quorum G4567 Passive Infrared Dectector (PID) to activate an LED display for about two minutes. Attached wires to the
PID per
http://www.goldmine-elec.com/pdf/G4567.pdf
Before I began to build the circuit marked Fig. 3 on the pdf I decided to test the unit using the simple resistor and LED circuit shown in Fig. 2.
The LED stays on all the time.
When a finger constantly in front of the sensor causes the LED to burn a little brighter for a couple of seconds and then returns to the original dimmer state for about five seconds and then gets brighter. This seven second cycle repeats. This cycle is in keeping with the text on the pdf, although the text says the on time is ten seconds.
But the sensor is not an effective switch because the LED never goes off.
Is there something I am missing? Is it a defective unit?
Thanks
Allen in Dallas
Would like to get the Quorum G4567 Passive Infrared Dectector (PID) to activate an LED display for about two minutes. Attached wires to the
PID per
http://www.goldmine-elec.com/pdf/G4567.pdf
Before I began to build the circuit marked Fig. 3 on the pdf I decided to test the unit using the simple resistor and LED circuit shown in Fig. 2.
The LED stays on all the time.
When a finger constantly in front of the sensor causes the LED to burn a little brighter for a couple of seconds and then returns to the original dimmer state for about five seconds and then gets brighter. This seven second cycle repeats. This cycle is in keeping with the text on the pdf, although the text says the on time is ten seconds.
But the sensor is not an effective switch because the LED never goes off.
Is there something I am missing? Is it a defective unit?
Thanks
Allen in Dallas