davidf560

8 ms·

31.
by davidf560 6y ago
Here's an acquaintance of mine playing with a musical Tesla coil and a propane blowtorch: https://youtu.be/M91AYp3_x5k?t=122 He also has some small tabletop-sized coils that are really neat: https://youtu.be
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by davidf560 6y ago
1000s of people will likely die due to the primary and secondary effects of the lockdown (suicides, delayed health care, etc.). There's also no guarantee that "locking down" will actually prevent any deaths - it may just be d
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by davidf560 6y ago
The governor of Illinois was recently asked a specific question during a press conference regarding whether non-essential businesses were allowed to operate for web or phone orders with pickup options. He stated clearly that this is not per
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by davidf560 6y ago
> Start an online store. Easy for many of us. Not always so easy for a small business owner. Even something turn-key like Shopify requires a lot of setup. Plus, you'd likely need to go to the shop to take product photos etc. which w
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by davidf560 6y ago
A hat store is essential to the owners and employees of said store. And maybe they sell items like scarves that could be used for face coverings, etc. Perhaps we should be thinking high risk and low risk instead of essential and non-essenti
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by davidf560 6y ago
Certainly business would be way down, but they'd at least get to try to save their own business. Right now they don't stand a chance as it's entirely out of their control. Given the decline in business, a small furniture stor
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by davidf560 7y ago
There's a claim that it was fixed here: https://www.raspberrypi.org/forums/viewtopic.php?p=1484482#p... Apparent confirmation here (by mapping a different I2C bus?): https://www.raspberrypi.org/for
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by davidf560 7y ago
Having work apps on your phone is not mutually exclusive to having work/life balance though. I have work apps on my personal device primarily for when I'm away from my desk during work hours. I disable notifications etc. outside o
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by davidf560 7y ago
Can confirm; the Fortune 500 company I work for has pretty extensive support for BYOD. Managers can be stodgy about providing work phones, plus carrying two devices is a pain. I use Android so I'm relying on the Android for Work sandbo
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by davidf560 7y ago
Interestingly, long before the internet the Sears Catalog used to sell mail-order kit houses.
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by davidf560 7y ago
Sorry, late response but... It's the first - the GPS modules used for these purposes decode the time and then generate a digital pulse on an output pin at the top of each second (this is called a 1PPS output). A hardware counter counts
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by davidf560 7y ago
All modern digital radio networks (cellular, police/fire, etc.) rely on GPS signals to discipline high-stability frequency oscillators. If you look at any cellular antenna you can always see the white mushroom-shaped GPS antennas, usua
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by davidf560 7y ago
The rules regarding audio recording are different from video. This is why many security cameras do not actually record audio. I think the laws are different primarily due to the different pace of audio vs. video recording technology. Audio
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by davidf560 8y ago
Public safety digital radio networks are primarily APCO Project 25 (P25) which use IMBE/AMBE developed by DVSI. Motorola's original digital radios used a proprietary vocoder called VSELP (also used by iDEN/Nextel). When APCO
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by davidf560 10y ago
Take a look at vexrobotics.com. They have all the mechanical and electronic parts you'd need to build small-ish robots (think Roomba size or a bit bigger. Edit: actually they have a VEX Pro line too that's aimed at larger roboti
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by davidf560 10y ago
Just wanted to chime in and echo the recommendations for VEX. VEX Robotics Competition (VRC) is an order of magnitude less expensive than FRC and having been heavily involved in both I can tell you that the students get just as much, if no