What's the best PIR sensor?
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At the time I thought the am612 was in a good sweet spot (low price, low power, and "good enough" sensitivity), but technology is constantly improving, and so I'm always interested if anyone knows of something better.
Also, these days wireless cameras are so cheap that I think the trend is toward combining them with PIR's, so that the cause of the trigger is always documented (well, to the degree it can be).
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@NeverDie
Excelitas PYD1588/1598 are the best I've used, running now for years without a single false alert.
Fully integrated, 1.8V and only 3uA@lood29
I recently got a PYD1598 sensor up an running. I made a lot of guesses at the settings and would like to hear what you are using. I wound up with:
Pulse Detection Mode 0 = signal has to exceed the threshold and change of sign
High Pass Filter Freq. 1 = 0.2 Hz
Filter Source 0 = PIR (BPF)
Window Time 0 = 2 seconds
Pulse Counter 0 = 1 pulse
Blind Time 2 seconds
Threshold = 128I played around with the threshold a little, but didn't get a very good sense of the tradeoff of sensitivity vs false alarms (working in a relatively small room). The 128 seems to work, but wondering if there are better settings.
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@NeverDie
Excelitas PYD1588/1598 are the best I've used, running now for years without a single false alert.
Fully integrated, 1.8V and only 3uA -
@lood29
I recently got a PYD1598 sensor up an running. I made a lot of guesses at the settings and would like to hear what you are using. I wound up with:
Pulse Detection Mode 0 = signal has to exceed the threshold and change of sign
High Pass Filter Freq. 1 = 0.2 Hz
Filter Source 0 = PIR (BPF)
Window Time 0 = 2 seconds
Pulse Counter 0 = 1 pulse
Blind Time 2 seconds
Threshold = 128I played around with the threshold a little, but didn't get a very good sense of the tradeoff of sensitivity vs false alarms (working in a relatively small room). The 128 seems to work, but wondering if there are better settings.
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