ESP easy+nodemcu+HC-SR501 problem

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jollyroger · #11 Post by **jollyroger** » 11 Jul 2018, 16:24

Now it seems to work (at least now I see it on HA). I connected the pir sensor to the vin pin of nodeMCU and then gnd and GPIO10. the problem now is that it continues to detect movement even if it is not there. passes continuously from 0 to 1. I tried to rotate the trimmers but nothing.

rfmon · #12 Post by **rfmon** » 12 Jul 2018, 11:55

Dear all, i bought this pir wifi sensor with esp8266. Can yoy help me to program it with espeasy and domoticz?

grovkillen · #13 Post by **grovkillen** » 12 Jul 2018, 12:36

If you are able to send me one I can make an official guide.

rfmon · #14 Post by **rfmon** » 12 Jul 2018, 13:33

I Buy it from
http://s.aliexpress.com/JVzEbQnQ?fromSns

grovkillen · #15 Post by **grovkillen** » 12 Jul 2018, 15:39

Sure but I don't have the funds to buy it myself right now. We'll have to wait then

rfmon · #16 Post by **rfmon** » 12 Jul 2018, 17:04

I bought only one for the same reason.

I'll try to flash it with espeasy and do some testing.
Thank for your support

grovkillen · #17 Post by **grovkillen** » 12 Jul 2018, 18:10

Seems like the visa are accessable easily for RX/TX. Look at the ESP-01 guide and you will most likely get it working. Please give us info on your progress

rfmon · #18 Post by **rfmon** » 12 Jul 2018, 20:02

I'm trying to flash it, but where is the vcc + chpd connected?

TD-er · #19 Post by **TD-er** » 14 Jul 2018, 07:57

You may also want to connect the GPIO-0 to GND during flash.
And on the images I could not find the 3.3V point, so that one may be tricky.

Also double-check those USB => serial converters output 3.3V. Some just give 5V on the pins labelled 3.3V

grovkillen · #20 Post by **grovkillen** » 14 Jul 2018, 08:14

It seems that there's another notation about RX/TX as well. But I believe I found the 3.3V via. See attached pictures.

rfmon · #21 Post by **rfmon** » 15 Jul 2018, 12:47

I had seen the 3v3 pin but I can not find the chpd pin that goes bridged with the 3v3. I keep trying

jollyroger · #22 Post by **jollyroger** » 28 Jul 2018, 20:13

nothing to do, I inserted a 10k resistor between the GPIO and the sensor data output but I continue to have fakes, it goes continuously between the two states

jollyroger · #23 Post by **jollyroger** » 29 Sep 2018, 11:06

nothing to do probably the sensor model has problems .. I will try to change the manufacturer ..

ESP easy+nodemcu+HC-SR501 problem

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