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BT832X PA / LNA

nagelc last edited by nagelc

Has anyone developed a PA LNA driver for the BT832X (Fanstell NRF5 module)? Works quite well without it, but wondering if could be even better.
@NeverDie , you had a remote control using PA. Was there any additional code for that from stock MySensors NRF5? Did you ever do anything with the LNA part?
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@NotYetRated Hope you'll find good uses and a fun time while building your sensors.
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@fsgraz Did some testing Today and my RFM range is over 80 meters node to node, with no long range antenna. That will be my next test, just waiting for a shipment from China to arrive. I did how ever notice an extreme improvement when I connected the gateway through a USB hub and then started to dig through the forum. @AWI once wrote about using an external PSU to power the long range NRF PA/LAN. I'll try that this weekend as connecting it to they USB port of my PI extended the range to 20 meters Node to Node.
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My Project • battery home assistant low power eeprom solar calibration • • OldSurferDude

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@OldSurferDude I use this. https://www.homedepot.com/p/Orbit-Solenoid-for-Battery-Operated-Timer-57861/203151515 Instead of having to hold the valve open, i can just pulse it. I use a simple motor controller to pulse it and when i need to close it, pulse it in "reverse". That way I could use a battery and if it only opens once or twice a day it's only a half a second or so of draw off the battery.
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Thank you so much for your support
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I think the comments you make are good. I do have a question about the removing the regulator. I assume you mean the 5V to 3.3V regulator. I connect to the 5V and I see lot of variation in moisture readings due to the variation in the output of the power supply (solar panel/stepdown). I have a calibration routine for that. The voltage can go as high as 4.2V, which I believe may be bad if I connect the power supply to 3.3V. Of course, this is not a concern if using two 1.5V batteries. With batteries, the moisture reading would be more consistent over a day. Lot of advantages there. I just don't like changing batteries and I really hate it when they leak. I have every reason to believe that my power supply will last 10 years and I am fortunate to live in a place with consistent sunshine . Someone replicating my project will have to take this into consideration. My design easily accommodates a different power supply. And my power supply could be used in other projects. Resistive vs Capacitive sensor. I'm glad you report good results. This gives people options. Water moisture: I've had good experience with "spraying" the Arduino with clear electronic coating and sealing the enclosure with liquid tape. -OSD

BT832X PA / LNA

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BT832X PA / LNA

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Welcome Announcements • • hek

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Status of my rv(camper) home automation system 2020-2025 My Project • • fsgraz

Soil Moisture Sensor Powered by solar charged battery My Project • battery home assistant low power eeprom solar calibration • • OldSurferDude

Getting Better Range with NRF24L01 Modules My Project • • MasonBlake

Soil moisture sensor for house plants My Project • soil moisture soil soil sensor plant • • Łukasz T.

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113.0kPosts

Welcome
Announcements • • hek

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My Project • • suresh sharma

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My Project • • fsgraz

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