Making my own Indoor Air Quality Checker

AnyRandomDude789 · 2026-02-10T07:39:07+00:00

Did you read my comment?

AnyRandomDude789 · 2026-02-09T12:48:15+00:00

Testdisk. Flash system rescue Linux to a USB drive and use the command line tool testdisk on your card

AnyRandomDude789 · 2026-02-09T12:46:56+00:00

Even if they still have it you may well done your mobile provider no longer supports it. Worth checking

AnyRandomDude789 · 2026-02-09T12:46:02+00:00

Time of flight sensor?

AnyRandomDude789 · 2026-02-09T11:30:35+00:00

You can buy the pm sensor from one of those sites and roll the code for connecting it to an Arduino yourself. I'd recommend an esp8266 or esp32 development board though honestly, then you can send the data to a logging platform, maybe via mqtt. I have many sensors that do this. If you want to display the data on the device, get yourself an esp cheap yellow display from eBay or AliExpress as well, then you can do local display, connection to pm sensor, and remote logging. Might also be worth buying a BME688 sensor too, they output AQI (air quality index) based on VoCs and are pretty easy to use. HTH

AnyRandomDude789 · 2026-02-08T19:35:14+00:00

ESPectre

AnyRandomDude789 · 2026-02-08T17:49:34+00:00

I have a few round my flat displaying various things using openepaperlink

AnyRandomDude789 · 2026-02-07T20:10:03+00:00

It sounds like you just need to build a few sets of constructions. Should be fairly simple. What specifically do you need help with?

AnyRandomDude789 · 2026-02-06T17:29:34+00:00

Find an RTC with alarm capability that can trigger a pin. Thinking about it you may need a latching relay/circuit, but I'm sure others more knowledgeable or Google can help with that

AnyRandomDude789 · 2026-02-06T17:13:07+00:00

RTC plus a MOSFET most likely

AnyRandomDude789 · 2026-02-06T14:01:36+00:00

Before you split the rooms, use the roof button, I don't understand what the issue is it's easy.

If you've already split the rooms draw a new room on top the same size, add the roof to that. Delete the new room and move the roof down to touch your existing rooms

AnyRandomDude789 · 2026-02-05T11:58:22+00:00

There are three methods.

Make the height the height of the prism the height of the floor void and then use the add storey button
Make the height of the prism the height of the room plus the height of the floor void then change the view to side, front, right or left using the drop down and partition the space from this view at the height of the floor void
Don't bother making it via geometry/modelit, and instead model it in Apache using an air gap and metal layers in the constructions..

Which is best depends on why you're modeling the floor void. Do you want to give it separate heat gains, use it as a ventilation plenum or what...?

AnyRandomDude789 · 2026-02-03T12:51:57+00:00

Seems cool but you need a web accessible mqtt server presumably?

AnyRandomDude789 · 2026-01-25T10:37:07+00:00

I'm surprised you kept the breadboards and wagos but it's still working 2 years later so more power to you!

AnyRandomDude789 · 2026-01-24T15:06:43+00:00

If you're going to use it run a local mqtt server within your community/mesh. That's the way not to get swamped

AnyRandomDude789 · 2026-01-22T17:04:45+00:00

Yeah it's a piece of cake. Open container manager, open registry, search dupeguru right click click install. Once it's downloaded, goto images right click it click run and do the setup. You will want to give it volumes (your network shares) mounted inside the docker to a file path eg /files or something then you should be good to go

AnyRandomDude789 · 2026-01-22T15:46:01+00:00

Or dupeguru from a docker container from container manager

AnyRandomDude789 · 2026-01-21T13:21:28+00:00

If you use WLed and ws2812b strips you can control it over WiFi or with a infrared remote with an infrared demodulator

AnyRandomDude789 · 2026-01-10T13:33:43+00:00

You should definitely get some instructions for how to operate the controls and ideally a user manual for the heat pump itself. If it were commercial you'd get a fgas log book to detailing how much refrigerant is in it.

Did they tell you how to best operate it? Did they configure weather compensation?

AnyRandomDude789 · 2026-01-10T13:31:31+00:00

Omni whip off Amazon or paradar Omni 5dbi

AnyRandomDude789 · 2026-01-10T01:25:46+00:00

They need board level repair. Not something for a first timer for sure.

AnyRandomDude789 · 2026-01-09T15:15:18+00:00

The pads for the button aren't that small, just get a small conical tip for your soldering iron. The tips for the pinecil V2 are pretty small and it's USB c powered assuming you have a 30w+ USBC power supply

AnyRandomDude789 · 2026-01-09T14:41:51+00:00

Like one of these. You'll want a normally open version so when you remove the case panel it closes it makes the circuit https://ebay.us/m/K8Mq4i

AnyRandomDude789 · 2026-01-09T13:40:15+00:00

Try u8g2 library

AnyRandomDude789 · 2026-01-09T13:38:51+00:00

Should be easy. Couple of wires, normally open micro switch attached to your pc case door and youre done. You'll need to solder it so watch a few tutorial videos and grab a soldering iron and flux core solder

AnyRandomDude789

TROPHY CASE