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Xiaomi Mi Flora [Temp/Light/Moisture] BLE Sensor

Cliff Karlsson last edited by

I just found this sensor witch looks great, have alot of features and costs ~10$
Mi-Flora

The downside is that you are supposed to use the crappy Xiaomi smartphone app but I found this site where someone had "decoded" the protocol.

Is there some way to integrate this with mysensors someway? Are there any plans to add a bluetooth gateway?
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Update RF24 library to latest version
Bug Reports • • andriej

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@andriej Hi, I had problem using the main branch mysensors/Raspberry, that because of the bit-field struct (header_s) in Sensor.h They will get packed in different order on the arduino compared to the RPi (at least with my compiler, gcc). In order to fix this I created the 1.4dev branch. It uses full bytes instead of the bit-fields, but you need (of cause) to compile both the sensors (arduino) and the gateway (RPi) using the 1.4dev branch. We need to fix this in the main branch later on (and use the same files as in mysensors/Arduino/libraries/MySensors)
single-click, double-click, long-press button possible with MySensors?
General Discussion • • dirkc

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hey @dirkc, maybe you can trigger your interrupt to rising and falling edge and use millis() to see how long the press was?
Anybody got one / a few spare minimalist rfm69hw shields for wemos d1 mini?
General Discussion • • kiesel

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Thanks for the offer @TheoL ! I have moved on to a differenct project. Also, a lesson that I have learned many times, "If it works, don't fix it!" -OSD
Running out of nodeId's
General Discussion • mysensors • • NielBierman

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@TheoL Not only did I put in delays, too, but I put in delays that were based upon the ID (which was stored in NVRAM)! This helped. caveat: This is probably not accurate be helps to explain the challenges with a large network. My initial experience with Arduino/nRF24 was using the libraries from TMRh20. Those libraries allowed a node to be a repeater, but only for 6 nodes. The primary node 0, master, only allowed 6 nodes to connect to it. The nodes connected to it also allowed 6 nodes. Subsequent nodes had to go through one of these repeating nodes. But the depth was only 4 deep. The master assigned node IDs if the node didn't already have one; similar to a MAC address. The master also kept track of the addresses (ARP table?). Addresses were 4 octets (base in the form of D/C/B/A. A node connected directly to the master had an address of 0/0/0/a (where 0/0/0/0 was reserved for the master). A node connected through another node had an address of 0/0/b/a, and so forth. But what happens is that a parent node has to mange the data from all its child nodes and their child nodes and their child nodes. Thus a node would get so bogged down dealing with this traffic that it din't do its sensor task very well. It is my belief that MySensors either uses TMRh20's libraries or has developed some aspects based on his initial work. I see that that TMRh20 has a version 2 and I have not experimented with it. I did find that MySensors worked better than version 1. Thus, my curiosity. I am also duly impressed at the magnitude of hardware. Currently a nano like device from Aliexperss is US$2-3, nRF24 ~ US$1, power supply ~ US$1.50, power cord ?, case?, sensors!? While the hardware cost is daunting, even with a PCB it's a lot of work building those up. So, yeah, I'm impressed! -OSD
Old hardware migration
General Discussion • • dbemowsk

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@OldSurferDude My old 2.0 setup is with nRF24L01 radios. This is a link to the thread on some light switches that I designed and built. https://forum.mysensors.org/topic/7376/us-decora-wall-switch-continued/2 I am aware that you cannot have two MQTT gatways. When I designed my old setup I was not that familiar with MQTT so I never ended up implementing it. On the home assistant server that I have set up though, I have installed the MQTT broker on there so I should be able to comunicate with any MySensors stuff over MQTT in the future devices I make/set up. As I mentioned, I do have a Home Assistant box that I have started about 4 months ago and eventually want to migrate my Vera equipment to the HA box. As for the YAML and Python, I'll muddle my way through. used to program in PHP and have done enough on Arduino that I'm sure it won't hurt my brain too much.
How to great variables
General Discussion • arduino mycontroller.org variables • • wint0178

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Nice work so far @wint0178, great that you try expanding on the examples. Sorry for the late reply. If you look at https://github.com/mysensors/MySensorsArduinoExamples/blob/bba998bce09bc5139eb4ca7a05b0279f4083ff88/examples/PressureSensor/PressureSensor.ino#L90 you see where the existing child ids are defines. You just add another one for the gas sensor, with a unique number (incrementing by 1 is an easy way). Try that and report back on your result. If something is unclear, just post a followup.

Xiaomi Mi Flora [Temp/Light/Moisture] BLE Sensor

Suggested Topics

Update RF24 library to latest version
Bug Reports • • andriej

single-click, double-click, long-press button possible with MySensors?
General Discussion • • dirkc

Anybody got one / a few spare minimalist rfm69hw shields for wemos d1 mini?
General Discussion • • kiesel

Running out of nodeId's
General Discussion • mysensors • • NielBierman

Old hardware migration
General Discussion • • dbemowsk

How to great variables
General Discussion • arduino mycontroller.org variables • • wint0178

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Xiaomi Mi Flora [Temp/Light/Moisture] BLE Sensor

Suggested Topics

Update RF24 library to latest version Bug Reports • • andriej

single-click, double-click, long-press button possible with MySensors? General Discussion • • dirkc

Anybody got one / a few spare minimalist rfm69hw shields for wemos d1 mini? General Discussion • • kiesel

Running out of nodeId's General Discussion • mysensors • • NielBierman

Old hardware migration General Discussion • • dbemowsk

How to great variables General Discussion • arduino mycontroller.org variables • • wint0178

54Online

11.4kUsers

11.1kTopics

112.6kPosts

Update RF24 library to latest version
Bug Reports • • andriej

single-click, double-click, long-press button possible with MySensors?
General Discussion • • dirkc

Anybody got one / a few spare minimalist rfm69hw shields for wemos d1 mini?
General Discussion • • kiesel

Running out of nodeId's
General Discussion • mysensors • • NielBierman

Old hardware migration
General Discussion • • dbemowsk

How to great variables
General Discussion • arduino mycontroller.org variables • • wint0178

54
Online

11.4k
Users

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112.6k
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