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Ductapemaster

696 karma · joined July 28, 2015

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Ductapemaster··on America’s ‘Fried Chicken War’
I did not had a chance to try it myself before quarantine started, but a couple friends of mine independently raved about Angeline's Louisiana Kitchen in Berkeley.
Ductapemaster··on Why are some people better at working from home than others?
One really positive thing I have found for myself in the WFH life is that I am taking MUCH better care of myself. So far I have lost weight, started a bodyweight workout routine, which I do in between meetings/calls/other work, and have gained back 2 hours of my day by not taking transit into the city. That's 2 more hours every day that I get to relax, work on a personal project, hang out with my SO, or even crush out some work-related interest if I am feeling motivated. It has also been a fantastic motivator and resource for cooking — I can start dinner before my workday is over, cook myself lunch, meal plan...

I also pay thousands of dollars to live in a cool place, and now I am finally getting to enjoy it, and enjoy it with my SO.

At the end of the day, maybe I am less "productive", by normal standards, but maybe I didn't need to be in an office for 8+ hours every day to get the parts of my job done that need getting done.

There surely are parts of this that I want to change or can't wait to change, but at the end of the day I am grateful for the forcing function to working from home full-time.

Ductapemaster··on Malaria 'Completely Stopped' by Microbe
I realize now I could have googled that myself, but it is nice sometimes for the things you thought of to be validated by others. Thank you! Adding this to my yearly donations list.
Ductapemaster··on Malaria 'Completely Stopped' by Microbe
Is there a reputable non-profit I can donate to that provides this treatment? The idea that $3 is unaffordable for so many is so sad. I would gladly provide for a number of people to be treated if I could trust the money goes to them.
Ductapemaster··on Scientists identify microbe that could help degrade polyurethane-based plastics
As a basic analogy, think of it like human metabolism burning fat vs. carbohydrates. Fat is much more energy dense, but until you starve the body of carbohydrates, your body won't burn it. This pathway likely exists as a "backup" metabolic system so that in the absence of easy-to-digest feedstocks, the microbe can still live, but at an energetic cost.
Ductapemaster··on State projections for Covid-19
Consider that the evidence you are presenting does not show the actual influence of temperature on the virus itself. I would argue (anecdotally) that warmer climates mean people are less confined in general, therefore adding some element of "natural" social distancing.
Ductapemaster··on Ask HN: What's the best corporate password manager?
The argument I've seen provided for this is that an attacker would both need your password and physical access to a device with 1password already set up on it.

To use 1password on a new device, you need a "secret key" that is provided to you when you create your account which serves as a basic form of 2FA for your whole account. Not a perfect system, but it is not as simple as just getting your password and having access to everything.

Ductapemaster··on Clearing up some myths around e-cigarettes
I had no idea about the difference - interesting. I thought nicotine itself was a carcinogen though?
Ductapemaster··on Amazon Common Software for Devices
From a cost perspective, our hardware designs are more expensive because they are highly integrated (6 to 8 layer PCBs, blind and buried vias, dense component packing, etc) and carry certifications from the FCC and CE, among others. This saves you an expensive certification process when you scale your product, enabling you to get to market faster.

Our core products are our cellular modules, as the certification burden on them far outweighs the process for WiFi modules (PTCRB, carrier certs). While we definitely have customers that use our WiFi products in a production capacity, generally our customers use our WiFi portfolio to prototype in their offices and then migrate to a cellular module for their end product. Saves cost and complexity when you just want to get something working, and our DeviceOS allows you to use the same or similar publish APIs regardless of the underlying connectivity technology.

When you purchase one of our modules, you are buying into a proven and tested platform that is guaranteed to work with our cloud. You just need to make your hardware and set up your backend. We handle the rest. Additionally, we don't make a lot of margin on our hardware - it's not the business we are in.

In terms of processing power, we target applications that don't need to crunch numbers. A great way to describe our platform is a "pipe" that takes your data from some sensor out in a field and drops it in your cloud backend/database. Our best applications are ones in which someone needs to answer "where is my device?" or "how is my device functioning?". In these verticals, it's all about data transmission rather than processing. Often these devices are battery powered and geographically hard to access. They spend a lot of time asleep, and when awake want to consume as little energy as possible.

The IoT landscape is vast, and we have narrowed in on a set of solutions that work well with specific verticals. Our product isn't a fit for every situation, as you have pointed out. For the ones it does fit for, we can provide significant value as a platform.

Ductapemaster··on Amazon Common Software for Devices
The hardware designs are open source, but we utilize off-the-shelf hardware including cellular modems which inherently are closed source at their core. I wish there was an open source modem design on the market!
Ductapemaster··on Amazon Common Software for Devices
<Shameless plug> The company I work for, Particle [1] has set out to do exactly that, and we have built up quite the community of developers and enterprise customers who needed to solve this problem. Our founder started the business after trying to build an IoT product and realizing how much value there was in the common underpinnings of every IoT product.

Our offering comes down to three things:

1. Pre-certified hardware modules (open source [2]) that support WiFi or Cellular in a few form factors.

2. An on-device OS (also open source) that handles communication in the background and abstracts away the hardware using an Arduino-like API.

3. A cloud-based "command center" (closed source) that allows you to link up your backend services with events flowing to and from your devices via webhooks, manage over the air updates, and see connectivity metrics across your fleet. No data is stored - just ferried between your devices and the other end of the pipe that you configure.

Oh, and you can buy our devices off-the-shelf in small volumes and get them up and running in a few minutes!

[1] https://www.particle.io

[2] https://github.com/particle-iot

Ductapemaster··on What Happened with Lego
What a throwback to my childhood! I spent countless late nights as a teenager in my parents garage soldering away doing exactly that. To this day, I love any chance I get to solder something. I don't get to do it as much as I used to with everything I work on being surface mount, but it makes the moments even better when I get to.

Thanks for the memory!

Ductapemaster··on Ultrasound destroys 80 percent of prostate cancers in one-year study
My father and my uncle both had this surgery (therapy?) to treat prostate cancer, and not only has it been effective (low to no PSA after over a year), their recoveries and post-surgery experiences are significantly better than any of the individual's they talked to who had a traditional prostatectomy. Not to say they are _unaffected_, but their experiences have not been life changing as the experiences of others they know (eg. incontinence).

I'm so happy to see innovative and less invasive treatments for common diseases being approved.

Ductapemaster··on Voyager 2’s Discoveries from Interstellar Space
If you ever have the chance to check out JPL during one of their open houses, I highly recommend it. They have an exhibit with replica models of various satellites throughout history, and in the entry way there are screens showing data about what is currently being pulled in from the DSN. When I was there, it was pulling down data from New Horizons (at some absurdly low bit rate)!
Ductapemaster··on Voyager 2’s Discoveries from Interstellar Space
Both Voyager 1 and 2 use RTG's (Radioisotope Thermoelectric Generators)[1] for power. Every year the RTG puts out less and less power, so instruments are gradually powered down to preserve the functionality of the critical ones for as long as possible.

According to JPL[2] at least one scientific instrument will continue functioning until about 2025, and the crafts will remain in range of the Deep Space Network until 2036.

[1] https://en.wikipedia.org/wiki/Radioisotope_thermoelectric_ge...

[2] https://voyager.jpl.nasa.gov/frequently-asked-questions/

Ductapemaster··on Show HN: Discover and listen to artists performing in your city this week
The design of this site seems identical to the graphic design that Adafruit used for their I2C address compilation advertisement art[0]. I don't want to jump to the conclusion that this is a ripoff - is this a standard design template that someone offers?

[0] https://learn.adafruit.com/i2c-addresses/overview

Ductapemaster··on LightSail 2 Spacecraft Successfully Demonstrates Flight by Light
Thanks for sharing this! Fascinating.
Ductapemaster··on How many kinds of USB-C to USB-C cables are there?
Out of curiosity, what USB-C dock do you have? I am in the market for one.
Ductapemaster··on Kuo: Apple to include new scissor switch keyboard in MacBook
I have a 2015 and a 4K monitor and can confirm that this is the case. 30fps isn't great but it is usable for most day-to-day computer work.

However there is a workaround if you are willing to disable SIP and play around with a program called SwitchResX. You can customize the display timings in such a way that allows 4K60 video to just sneak in under the bandwidth limits of the Thunderbolt ports. It also requires a Thunderbolt to HDMI 2.0 adapter, and a compatible monitor. If you like fiddling around this is one way to do it, but I have found it finicky and not really worth it.

Ductapemaster··on Tourist's lucky guess cracks safe code on first try
These codes have been used to break wireless garage door openers in comically little time: https://samy.pl/opensesame/
Ductapemaster··on Show HN: Enviro+ for Raspberry Pi – Environmental sensors
Does anyone know where I can buy one of those displays? Looks amazing for the size and it has a standard connector instead of the weird hot-bar solderable ones on the other small displays I have seen.
Ductapemaster··on Show HN: Enviro+ for Raspberry Pi – Environmental sensors
I've developed applications with the Senseair K30[1] and found it to be robust and very accurate over the long term. You can use it either over I2C or UART, so it would work fine in combo with this board!

[1] https://www.co2meter.com/products/k-30-co2-sensor-module

Ductapemaster··on Show HN: Enviro+ for Raspberry Pi – Environmental sensors
Jose - I have done a few designs for my current employer using the BME280 for environmental sensing. I've found it a little sensitive to heat, both from the environment and itself. There's a good resource from K&R Smith[1] about comparing the sensor to others and there's some discussion about how to set up the sensor to minimize self-heating. Might be worth looking into!

Additionally, when I do my designs, I place the BME280 sensor as far away from other components as possible (I see it is close to a SOIC chip on your board) and I route a cutout in the board around the sensor to reduce any heat conduction from the board. I also ensure that I have no power planes on the little resulting "island" PCB, and use small traces (with local decoupling) to further reduce any conductive heat. See the image in [2] for an example of what I am talking about.

Another alternative I pursued in situations where convective heat was an issue is to stick the sensor on a little remote board and use an off-the-shelf wire to connect the two (check out the Sparkfun Qwiic wires[3])

Overall you want to increase airflow around the sensor as much as possible so leaving it "hanging out" somewhere is the best approach to getting accurate measurements.

I hope that helps!

[1] http://www.kandrsmith.org/RJS/Misc/Hygrometers/calib_many.ht...

[2] https://www.instructables.com/id/How-to-Measure-Temperature-...

[3] https://www.sparkfun.com/products/14427

Ductapemaster··on Roundup’s Risks Could Go Well Beyond Cancer
I currently work at a business in the food industry and it was amazing to learn that there is a whole host of products that can be applied to organic produce and not affect it's organic rating. You can see the whole list here: https://www.omri.org/omri-lists/download

Organic doesn't mean nothing is applied. It's just a different category of product that is approved.

Ductapemaster··on Buyer's Remorse: High Debt and Low Pay Leave Some College Grads Rueful
A similar structure is available already. It's called an Income Sharing Agreement. Example:

Company: https://vemo.com/

Article: https://www.bloomberg.com/news/articles/2019-04-09/college-g...

Ductapemaster··on ‘Land Lordz’ Service Powers Airbnb Scams
The site could possibly could still be stuck in OP's cache
Ductapemaster··on Volvo is introducing a 112mph speed limiter to all its new cars
I've always wondered the same thing - My theory is that at normal freeway speeds, the indicator points more or less at 12 o'clock, which is easier to see for a driver.
Ductapemaster··on Why are glasses so expensive? The eyewear industry prefers to keep that blurry
+1 for Costco's pharmacy. In the rare occasion I need a prescription filled, its usually considerably cheaper than CVS or Walgreens. Plus, I'm prone to sinus infections and they have generic sudafed (real pseudoephedrine, not OTC) for just under $2 a box. Every other place in town is 5-10x that for the same thing.
Ductapemaster··on On whether changes in bedroom CO2 levels affect sleep quality
Repost from my comment above, but for a couple hundred bucks you can get an accurate CO2 sensor that reads out via USB-serial to a computer. I use them at work and we've shown they are quite good over the long term. Plus to recalibrate, you can just take them outside. https://www.co2meter.com/products/k-30-co2-sensor-module
Ductapemaster··on On whether changes in bedroom CO2 levels affect sleep quality
For a couple hundred bucks you can get a highly accurate CO2 sensor that reads out via a USB-serial connection: https://www.co2meter.com/products/k-30-co2-sensor-module
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