I have a Parallax PIR sensor ( http://www.ladyada.net/media/sensors/PIRSensor-V1.2.pdf ) and I have code that checks to see if the sensor goes high. It works with the exception that I get random triggers every once in a while when there is no motion involved. I am assuming I need a pull-up/pull-down r…

PIR Sensor Question

system January 27, 2010, 9:38pm 15

I read the transistor and take it to LOW if it is HIGH and then I pause the program due to my physical PIR/Relay setup. If I don't it spams the PC.

Topic		Replies	Views
PIR Programming	5	1603	May 5, 2021
Motion PIR Sensor // weird stuff ... Troubleshooting	4	1458	May 6, 2021
PIR sensor and my arduino Interfacing	2	1825	May 6, 2021
Oddball arduino digitalRead() analogRead() inputs Sensors	17	7719	May 6, 2021
PIR always reading LOW Interfacing	3	3273	May 6, 2021