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Hrm, I'm not in the area but I wonder if it could be tinnitus? People with tinnitus often say they only hear it in relatively quiet areas, then it gets drowned out when they're around background noise (like what you'd hear outside). It might not be though, especially if you don't hear it when you're in other quiet environments.
Another thing you might try is using an app like Google Science Journal to record the noise, and maybe see if you can hear it in a neighbor's home too.
Hope you figure out your mystery!
I didn't realize the dev would be reading the comments, now I feel super shitty...
Sorry man. Like I said, the concept is superb and I'm glad you're doing this. For design ideas, I'm a big fan of material design - Google's Science Journal app is a bit less information dense than I'd prefer, but overall I'm a big fan. It has similar functions in terms of logging, presenting, and exporting data. It's also open source (no idea if that's the right link or not).
I'm not a dev, and I have no idea how hard it is to make an app work and/or look pretty. Sorry friend.
Tons of light meter apps in the playstore to measure lux output but almost all of them contain ads or in-app payment system. Remember all those flashlight apps but some were found to contain mysterious nefarious payloads stealing data etc?
Arduino science journal is free, open source, no ads and originally developed by Google. You'll know it is more likely to be safe than anything else.
Haven't seen it mentioned much here. Wish I knew about it sooner when I got my grow lights.
Googles Science Journal app is helpful for stuff like this, as well as tracking weird whining sounds in the hosue.
You might have to up your wattage too, I noticed significant stretch at 6-8" with only a single 23w cfl, added a splitter and a second 23w and no more stretch.
Check out the google science journal app if you have a droid, it has some built sensing capacity using the sensors on your phone.
I keep my seedlings at 12-15k lux and they been pretty happy and not stretchy so far. Lux isnt a real good measurement for the light we need, but it will give you a bit of a base line number to work with, without buying an expensive tool.
This is it:
Anyway, just add an observation, scroll to the x, y,z buttons and but record. Otherwise grab a mini raspberry pie or Arduino, some cables,a mini breadboard and run a breakout IMU to your point(s) of interest. Maybe sparkfun is still a real thing if you want a no fuss experience and have moderately deep pockets.
> If you can fake the GPS data fed to the app, you can fake any other data it pulls, too. It's an extremely difficult problem.
True. I'm not discounting that it's difficult. But I think gathering more data points would make it harder to spoof.
If you had to fake inject data for:
Those would be harder to fake. Not impossible,.. but not easy. (the "Google Science Journal" App https://play.google.com/store/apps/details?id=com.google.android.apps.forscience.whistlepunk&hl=en ... is a good example of a neat "sensor-platform" that Niantic could emulate. Make it more like a real "scanner"... where you have to log 30-seconds of data and send that up to Niantic to "vet" )
Again.. not saying any of those solutions are "perfect". But It would be nice to even get some kind of acknowledgement from Niantic that they see the issue as "important" and some examples of how they've worked on it. (and I'm sure they have worked on it).. but whatever they're doing isn't working.
I think I've said it before.. but I really wish they'd restrict COMM (encrypt it.. or something). Even just "glitch" COMM for a month or something.. where the data-stream is garbled and useless. (equally useless to both sides)... that by itself would at least give people a chance to get Guardians (because COMM-scraping would be useless if COMM was dead/glitched. )
They've done stuff before like "removing XM" from the playing field. So "glitching COMM" wouldn't be untenable. (they probably wouldn't do it during an anomaly,.. but if Resistance loses this anomaly again.. they can't really take much more away from us (since ADA is effectively gone). I'd jump up and down and do a happy dance if they glitched COMM for a month or 3.
There are free Android apps that allow you to record noise levels, and I would guess they have them for iOS as well.
On Android there are dedicated ones for measuring just sound, and Google also has their Science Journal app that allows you to measure and log a number of different things, including sound levels.
Giroscópio é uma coisa bem mais cara e complexa. Na prática os celulares usam um sensor de giro bem mais simples para a orientação da tela e basicamente isso. O que eles geralmente têm são acelerômetros, mas eles só medem movimento linear, quando para uma foto panorâmica o mais importante é o angular.
Indo mais fundo, bem além do escopo desta discussão, um acelerômetro só vai realmente medir aceleração em relação a um referencial inercial. O do meu celular está medindo uns 9,81 m/s² e minha velocidade continua zero, estou bem sentado no sofá.
Pra quem quiser brincar com os sensores do celular (ou descobrir quais há no aparelho) eu não me canso de recomendar o Google Science Journal https://play.google.com/store/apps/details?id=com.google.android.apps.forscience.whistlepunk
Já pra quem quiser fazer fotos em panorama esférico sem comprar uma câmera específica, o app do Street View é https://play.google.com/store/apps/details?id=com.google.android.street
Check out Google's Science Journal. It lets you access all the sensors on your phone so you can take measurements. It let's you measure: sound, light, atmospheric pressure, compass, and a lot more.
Install a sensor overview app (that displays all of the phones sensors) and check if maybe a sensor is not working anymore.
This for example: https://play.google.com/store/apps/details?id=com.google.android.apps.forscience.whistlepunk
It is extremely difficult to describe or quantify a sound for someone else. If I weren't at a noisy Starbucks, I would be tempted to install a Google Science Journal and record the dB level of the watch along with a baseline of the room without the watch present.
Update: I measured the sound when I got home.
It's unclear by what you mean by "record surroundings", but here's an app to record and analyse data using various sensors - Science Journal.
Per quello forse https://play.google.com/store/apps/details?id=com.google.android.apps.forscience.whistlepunk , dovresti confrontare i vari chip compatibili per misurare la temperatura, funzionano con il bluetooth, e di certo non monitorano per sempre. Magari avrebbe + senso un raspberrypi/Arduino + chip misurazione temperatura, ti basterebbe una qualche piccola nozione di python o c, o meglio sicuramente qualche codice che gira sul web potrebbe fare al caso tuo.
Forse se vuoi risparmiare vai agli ingrossi cinesi online, un Arduino viene quanto un caffè
There's a Google one for science experiments. I forgot what it's called but it has a lot of really cool measurements you can take.
Here it is. https://play.google.com/store/apps/details?id=com.google.android.apps.forscience.whistlepunk
An accelerometer like the ADXL335 is a good choice for that.
edit: if you have an android phone, check out google's science journal app. You can see plots of the data from your phone's accelerometer so you can get an idea what it looks like when it falls. The ADXL335 will generate similar data.
The code repository I think you are talking about is to get Android on the Pi3, that could just be a way of using the Pi3 as a cheap development platform. I'm not knocking them for it, why not, it's a good idea.
It may just be fortuitous that the Science Journal app would be an interesting app to run on a Pi.
I think the implied direction is Android on whatever platform, but the Pi3 with the Google supported Android seems like a good platform to run it on.
I'm not in the scientific research field, but I know google launched a Science Journal app a few days ago, maybe you can find some use out of it!
For those looking it's called Science Journal:
Offline Survival Manual
Actual working 2016 version:
Have an S9+ as well. I use the Google Science Journal app and it works great.
Not sure, but this app turns your phone into a measuring device:
Link for easy access
Probably not exactly what you want but check out Science Journal.
No problem :)
Also, you should also check out temperature probe recorders from this industry.
I'd check out (Brand names): taylorprecision, CDM, Comarck, Dynometric. Taylor is generally going to be the leader in terms of food temperature measuring.
Go checkout webstaurant.com
[consumer grade side]
Google recently released "scientific journal app" that came out last week. Can measure some things, but not temperature, but you could attach a really cruddy $50 smartphone, run that app, and use it as a cheap accelerometer to see how your package moves over time. Needs android 6.0 device. https://play.google.com/store/apps/details?id=com.google.android.apps.forscience.whistlepunk&hl=en
Also, run a search in Amazon: (Temperature loggers). Do some digging here. http://www.amazon.com/s/ref=nb_sb_noss_2?url=search-alias%3Daps&field-keywords=temperature+recorder
[industrial grade side/Lab Side]
I suggest maybe digging into uLine,McMasterCarr, Grainger, and Globalindustrial for some ideas for temperature loggers too. You might find other useful things like boxes and packaging equipment too.
>Some more information about us: We're not located in the USA! Also, this competitor isn't based in our country, however, chances are they will expend soon and sell their meals in our country as well...
You might be asking why this is important, but first you must understand the following, history tells us something you can learn from
Meal food prep shipping frozen goods hasn't really been a thing until the last 10 years roughly. With new technology advancements and what not. There really wasn't anywehre online to advertise these things. The only things people were shipping that were frozen generally went to either 1. restaurants, 2. grocery stores, 3. the milkman to homes (now defunct).
We're getting a new advent of home shipping "pre-made meal" services now-adays
Basically, think about a commercial refrigerator. What makes it such a great insulator anyways? Specifically, how does it contain the cool air inside of its unit? Isn't a packaging box not that much different?
Refrigerators use something called R-434 refrigerant. It has a high "R" value. http://i.imgur.com/zC4ul8o.jpg. Basically, the higher the "R" value, the higher its insulating properties are.
Insulators work on two principles. One is the "R" value (basically, how little heat goes through it per given space) and thickness of material. If you've ever gutted open your home walls, or a refrigerator, you'll see insulation like this: http://i.imgur.com/Ztc4Jt4.png
So you have to understand, that good insulation has to be REALLY tight. I have observed how the best refrigeration company does their insulation methods (had to sign an NDA, so I couldn't take pics sorry). But they do their foam-in-place insulation by hand. They literally take a piece of masking tape to enclose their unit, and shove polyuerathne foam expander (what happens is 2 polymers mix and it forms an exothermic reaction). https://www.youtube.com/watch?v=xjap74m4228. Foam in place units are kind of hot if you touch them while they expand.
Another better video showing how foam in work injectors work. https://www.youtube.com/watch?v=hMdBsAzy6aE. And, how refrigerators use them. Around here shows how they make walkin coolers https://youtu.be/-k_SflGjUwY?t=406 (didn't find a better video at the moment).
What my point here (1st) : is that refrigerators, are no different than packaging boxes, just a smaller version of it, without a compressor, and without any electrical components or fans. Its just a box. A cold one. With a cold source (Ice Gels - packaging box vs. Compressor/Refrigerant for refrigerators)
My next point is that refrigerators came around 1920's for home use, before that it was commercial use in the 1850's. Then, around 2000's we get these home shipping goods. You see where I'm getting at? People borrow ideas from history all the time
My last point is that refrigerators are practically perfected at the moment. You won't see many EnergyStar (government entity) efficiency improvements for refrigerators by much. But, packaging is still a shaky road
Now history lessons aside, now we have to tackle the problem from a scientific standpoint
First, its important to understand as well, refrigerated delivery boxes (like sysco food trucks) are essentially an oversized version of what you are doing. Those take inspiration from the refrigeration (home, and grocery store distribution centers) and the home insulation industry)
A box. Pretty obvious you need a box to ship things, and its pretty obvious that you will use something cheap and economical and readily massive produced. Because this niche market is heavily reliant on shipping cheap goods, unless you are in a luxury neighborhood / market, but those people just go out and eat.
Insulation material. It needs to be well constructed such that no cold air escapes. The moment it does, you made a poor insulating box. Imagine this: What would happen if your refrigerator gasket (that black rubber thing that seals your door when you close /open it). Is not this the same thing that your box will undergo? Second, imagine what would happen if you left your refrigerator door open at night. All the food would get warm no?
Packaging material. This isn't necessary, and might get lumped in #2. But you might need a cheap filler that helps enclose the gap , for instance amazon's packing tape https://m.reddit.com/r/amazon/comments/49j3dc/what_packing_tape_does_amazon_use/. Or packaging peanuts. Your problem, is technically a distribution shipping problem as well.
The food itself. I mentioned sauce, high calories high mass longer thaw out rate, etc just from how I eat frozen food at the grocery store and thaw out things at home. Normally, from what I noticed, is that when I buy frozen food, the liquid contents (and meats) is seperate from the grains/rice. Why is this? Trader Joes does this all the time (they are a leader in food distribution as well, more so than other grocery chains IMO), when I buy their curry chicken packages. Its probably because rice doesn't have a danger zone associated with it, and it needs water/steam from the liquid contents inside to thaw out