And the resistance of your water sensor when into the water is how much?
sorry cant remember now , i will check it and came back with the answer later
Also could you open a separate topic about this transformation?
ok⌠i will open new topic
@1technophile Something very interesting about this module is that it comes with a 1.5V AAA battery but if you put a AAA lithium battery it greatly increases its transmission range. It seems that all the modules I had problems with transmitting after replacing the battery started transmitting continuously and quicklyâŚ
Interesting, could you compare the voltage of the lithium one versus the provided one?
I did the measurements and here are the results:
AAA Battery : On Stand by is : 25uA , On transmission is : 27mA
AAA Lithium : On Stand by is : 12uA , On transmission is : 12mA
Lithium battery consumption seems to be really low in transmission compared to using a standard AAA battery.
In my opinion probably because lithium battery does not have to increase the voltage as with a normal battery (1.5V). I measure the voltage on REED connections with a normal battery I get 3.3V so there is probably wasted engry on the voltage conversion.
your opinion ?
Note that if you short out the connections for the tamper switch you get the tamper code, viz ****07
UsefulâŚ
I got like 10 of these in the mail.
is there a way to identify them, so I can tell WHICH of the 10 windows is actually open? I did not find anywhere an info if they have unique identifiers.
Yes the signal should be an unique value
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Thanks a lot, looking forward
Hello,
an example of the received json is:
{âTimeâ: â2020-12-01T15:04:59â, âRfReceivedâ: {âSyncâ: 14110, âLowâ: 380, âHighâ: 1330, âDataâ: âE0460Eâ, âRfKeyâ: âNoneâ}}
does anyone know which is the meaning of the:
- Sync
- High
- Low
attributes?
Thank you in advance
Sorry to revive a really old thread, Iâm trying to build a sensor in HA for the battery on this sensor, does this sensor have a way of telling you percentage, or just low? After the battery goes to ânormalâ is there another code sent thats unique to let you know its back to normal?
You will just get low. The best way will be to put an already low battery into the sensor and carch the code emitted.
If you replace the previous battery with a new one you will not get a notification saying that the battery is now with the expected voltage.
Thanks a bunch, Iâm trying to just get a basic template going now in HA, do you know how often the low battery signal is sent? I need to create some sort of template so that if it doesnt get a message after such and such time then to change battery state to ânormalâ
I donât have this one anymore so canât say. But if you have one and record the sensor value you should be able to identify the frequency ?
i found the battery code, its look like this :
open code is finish with E
close code is finish with A
low battery code finish with 6
tamper code is finish with 7
examle :
21B40E
21B40A
21B406
21B407
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I dont think thatâs standard, my codes ended with 130 and 134 for opened and closed, and low battery was 131.
Also, measuring low battery was rough. I used a variable power supply, and when I went below 1.1v the sensor started flashing a few times when opening and closing instead of once and I had to keep increasing the voltage and trying again untill I got it just right.
Did you ever manage to get that water sensor going? I wanted to do the exact same thing and came across the same issue - that the resistance of water is very high compared to a reed switch, and the sensor didnât work with such a high resistance. I just canât find a decent water leak sensor which works as well and as reliantly on 1.5v as these work for doors
I did some tweaking to convert it into water leak detector and found solution (hopefully), please check following link:
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Does anyone have these and have an issue that only the open status gets pushed along?? The closed status seems to be very hit or miss.