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Battery level to openHAB

bomber 20 Jan 2015, 19:25 last edited by

Hello!

I got stuck with showing battery level in openHAB and I didnt find any topic in forum so I ask myself:
does somebody have example how to show battery level in openHAB (through MQTT gateway)?

Sketch already sending battery level with **gw.sendBatteryLevel(batteryPcnt) ** statement and I see percent in gateway.

Vj
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mqtt 70 battery 43 openhab 39
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gadu 20 Jan 2015, 21:06 last edited by

http://forum.mysensors.org/topic/802/mqtt-and-batterylevel/2
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Thanks for your fast reply. That sounds easy. And you think that the communication between sensor nodes and Gateway are still possible via wired RS485? I tried to find an example on this site for sending Information from Gateway to sensor nodes. (via SendMessage ?) For example I like to Switch on/off an light that is connected to an relay board at my sensor node. Communcation Flow: OpenHab2 --> MQTT --> Gateway --> RS485 --> Sensor Node --> Relay Board Currently I have an working RS485 Connection between my Arduino Uno's with the use from SoftwareSerial library. During my testings I realized, that the message that I triy to send "Hello" will be sent to the other arduino char by char. Is that true? Because I tried to raise up an pin on HIGH with "if(msg == "Hello")..." But it doesn't worked. Will the sendMsg method from the MySensor library handle this out of the box? Regards, Simon
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Very cool! Any more detail you can give on this setup?
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good, give it a try
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I have posted a question regarding what i think could be the fix to my issue over at: https://community.openhab.org/t/push-state-of-one-mqtt-topic-to-another/27597 Not sure if it will become of anything though. If anyone else has any experience with MQTT and openhab2 over here, then please be sure to shout a thought. It seems that not many people have got this sketch to work with openhab, google searches are bringing up posts from a year or two ago made on our forum here regarding this issue with no clear/simple solution.
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Hi John, appLog.txt I also tried using datatype string but it doesen't work. Meanwhile I have studies the log files more detailed and found the following behavior: when defining the device skeletal and when updating the derived device (first approx. 25 lines in the log file V_STATUS is declared as string with values 51 resp. 52 as specified in the web interface. The entity is "Modul 433 MHz". Later on, when using the toggle switch in the web interface the value has changed in the decription in the log file (see line 164 or 185) value has been changed to on/off. With this definition it seem that the mysensors-Plugin is feeded has been changed from the specified values. My conclusion is that the change is taking place somewhere outside the mysensors-plugin. By the way, if I change the type to string do I have to use quotation marks in the web interface? Thanks a lot for your support. Martin
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What is the max ampere capacity of 3.3V battery it can charge ? Is there any upper limit like 1000mAh or 3300mAh like that ?

Battery level to openHAB

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