What did you build today (Pictures) ?

[Nca78]

Not related to MySensors but I also assembled a first version of a battery powered led light, it's small and cheap and I will assemble a bunch to put around my home when there are some power cuts in evening/night. I'm using 3020 leds and they emit a lot of light for their small size, even with low current so I expect to get around 2 hours of battery life with the cheap aliexpress 16340 batteries, and way more than needed with the 18650 cells salvaged from my old laptop battery.
My first board with a li-ion charger and it is working well, now I'm waiting for the battery protection ics (cheap DW01 from AliExpress) to arrive as my batteries are not protected.

[NeverDie]

@nca78 Which 3020's did you get?

[Nca78]

@neverdie said in What did you build today (Pictures) ?:

@nca78 Which 3020's did you get?

Cheap ones from AliExpress, not disappointed especially for the low price. I'll see in the long run how they behave.
https://www.aliexpress.com/item/100pcs-Light-LED-3020-Warm-White-SMD-Diode/32325994533.html

[dbemowsk]

@nca78 I have some similar looking panels that I had salvaged from some old document cameras. I was planning on building some MySensorized walkway lights in my hall Might be something good to make in the event of a power outage.

[dbemowsk]

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[dbemowsk]

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[sundberg84]

Some more testings on my Logger... I want it to work great before moving on so alot of testing is needed. Why not do it on node #1 (note the old rev om EasyPCB).

[sundberg84]

Completely unrelated but a impossible project for me it seems...

Im building a wifi "babywatch" in a USB stick.
It sends sounds to a app/software which is build to run in the background. This to be able to game or watch video with headphones and still know if you have a angry child.

So pretty much Mic -> Amp -> ADC -> Esp8266 -> Wifi -> Software/App.

This seems impossible to do with all the interference. Everything works now (Rev1) but im now on Rev 6+ or something and I cant get rid of the noice in the Audio.

Seperate power supply + ground for analog and digital side but It seems like the Esp8266 inserts to much noice.

Well, it was a great idea but hard to accomplish.

[nagelc]

@sundberg84
I really like that case. Do you have a link where you purchased it?

[Yveaux]

@sundberg84 analog and esp8266 also beat me. Tried to play some music from an ESP8266 but result was barely usable. I switched to dac+amp connected via i2s which works fine.
Maybe you could try with a digital i2s microphone...

[sundberg84]

@yveaux - thanks!!! A new hope ;) I will.
@nagelc - I use this: https://www.mouser.se/productdetail/789-p3a-220805s but note, there are 4 different variants. WIth and without opening for USB connector and other stuff. I can send you the footprint for the PCB if you wants.

[nagelc]

@sundberg84 Thanks. Looks like that company has several interesting enclosure shapes. Someday I might get a project complete enough that I will want to put it in an enclosure : )

[dbemowsk]

The nice thing about owning a 3D printer is that I don't have to buy enclosures any more. I just have to buy rolls of plastic. The sky is the limit when you have a 3D printer. I do like that enclosure though.

[Nca78]

@dbemowsk said in What did you build today (Pictures) ?:

The nice thing about owning a 3D printer is that I don't have to buy enclosures any more. I just have to buy rolls of plastic. The sky is the limit when you have a 3D printer. I do like that enclosure though.

Can't agree more, made a quick box for the lights with "crystal" PLA. You need a lot of imagination to believe it's crystal, but it's nice for a light enclosure as it acts as diffuser.

[dbemowsk]

@nca78 Nice. That would probably look cool in any translucent colored plastic. I have worked with clear, like this, red and green. Haven't used them for lighted enclosures though.

[McQueen]

Hey @mfalkvidd were you able to get mysensors nodes to send data to thingsboard? If so, I'm interested to know how you did that. Wondering if thingsboard can be configured as a controller for mysensors. Thanks!

[mfalkvidd]

@mcqueen I have not tried, and I have no plans to try. Sorry.

[McQueen]

@mfalkvidd no problem, thanks

[rozpruwacz]

So today I created a simple python script to bridge serial gateway with mqtt bus on my RPI:
https://github.com/mczerski/MySensorsSerial2MQTT

This is because I already use spi for nrf24 module mounted on a custom pcb so there is no room for another spi device.

[sundberg84]

I'm building a wine rack for my wife in a celler room (currently 14 dgr with 4 dgr outside). I mowed my beer cooler temp node (rfm radio) to measure how much the temp changed over the day. I wrote a script in Lua/Domoticz that each time it changes 1dgr it should notify me. Apparently is a stable temp the most important to store wine.

All ideas how I can automate the shit out of this wine-room are appreciated.

• LCD display with temp/hum (both on the floor and celling) (Red needs apparently cooler than white wine... Or the opposite).

• I'm thinking about to try a passive cooler. A burried hose/pipe in a loop with a 12v fan/pump and temp. My idea is that if I rotate the 14dgr air in a say 20m pipe under ground it should cool the air some . This needs to be automated to keep the temp stable.

• light. Some sort of led strips.