I also just found that you can find all entity names of all registered devices in the developer tools > states view (just click the < > icon under developer tools).

Grouping the mysensor sensors is done like this, using the entity names as described above:

group:
  name: Guest Room
  entities:
    - sensor.temperatureandhumidity_170_1
    - sensor.temperatureandhumidity_170_0

@gohan said in Customize and reference mysensor sensors in configuration:

I'm sorry, I can't answer that as I haven't used Home Assistant

Ok, you're aware that this is the Home Assistant controller support forum, right?

Anyway, figured out how to reference the sensors by looking in the code and the log files. The format is: sensor.<sketch-name>_<node-ID>_<child-ID>. Example: sensor.temperatureandhumidity_170_0.

Sketch name is the name sent during presentation using the sendSketchInfo() method and should be in all lower case,

Using this naming pattern I was able to set a friendly name on my humidity sensor like so:

homeassistant:
  ...
  customize:
    sensor.temperatureandhumidity_170_0:
      friendly_name: Guest room humidity

Ok, but does that mean that I can reference each sensor in the hass configuration.yaml using node-id.child-id? Or do I need to use some mysensor prefix?

Like this:

customize:
    170.0:
      entity_picture: https://example.com/images/humidity.jpg
      friendly_name: Living room humidity
    170.1:
      entity_picture: https://example.com/images/temp.jpg
      friendly_name: Living room temperature

Hi!

Just got Home Assistant set up with a Mysensor MQTT gateway and it works like a charm. I get my sensors discovered as soon as they start sending data and they show up fine in Home Assistant.

Now I'd like to customise my devices (sensors) and also group them together but I cannot figure out how to reference them in the configuration?

It's a bit frustrating, I'm a professional system developer, working with yaml configs all day long :). I feel like I'm either stupid, or the documentation is leaving out big chunks of information...

Is the mysensor gateway a "platform"? How do I name each sensor and what type of properties can I set on them? I'd like to give each sensor some friendly name, perhaps an entity picture and then group them together, is that doable?

The only config examples I can find are related to setting up the gateway, which I already have done. If someone has a configuration.yaml doing some more stuff with the mysensor integration than just enabling the gateway, like referencing the sensors, it would fantastic if you could share it here as a reference.

The board looks really nice! Just one question though; what about temperature protection? In this thread people talks about gluing a thermal fuse on top of the HLK-PM01, is that something you considered or do you think it's unnecessary?

I'm planning on using the HLK-PM01 with the extra precautions discussed here; gluing a thermal fuse on top of the HLK-PM01 and adding a fuse and varistor.

My only problem right now is that I'm unable to find a good source for 0.3A slow blow fuses with axial leads on eBay. The only variants I can find are without leads and it feels a bit unnecessary to add a fuse holder to the circuit since the fuse is meant to be non-replaceable. The ones that petewill posted a link to are out-of-stock. Does anyone have any good suggestion where to find good fuses to use?

@Mrlynx : Do you have any kits left? If so, I'm interested in 5 kits!

I was planning on using a stand alone ATmega 328 with the Arduino bootloader and program it with the sensor code by temporarily place it in an Arduino Uno and then solder it directly to a board with the temp sensor and transceiver, in order to keep the power usage to a minimum.

But maybe this is a bad idea and it would be better to use an Arduino Pro Mini 3.3V so that I get the regulated output? How much current does a Pro Mini draw in comparison to a stand alone ATMega 328?

@bjornhallberg: thanks for the warning! I was about to buy the step-up in order to drive my sensor but I think I will wait.

One problem though, I'm planning on building quite a lot of battery powered temp sensors, and as far as I understand, the DS18B20 temp sensor require at least 3V, anything below that will potentially give false temperature readings. Has anyone got any ideas on how to best drive a DS18B20 based sensor using batteries?

If I use 3 AA's, then I would have enough voltage to drive the DS18B20, but then I would have to step down the voltage for the nRF24L01+ transciever, right? SInce it accepts only up to 3.6V?