rxt_ian

6 ms·

1.
by rxt_ian 7mo ago
Yup this is a very inefficient way of reaching a target illuminance. Multiple sources spread over an area would be more efficient, as each LED could run at lower current and temperature, which increases their efficacy. The light would also
2.
by rxt_ian 7mo ago
In the absence of any evidence to the contrary it certainly seems likely. Pretty concerning for such a high power device.
3.
by rxt_ian 7mo ago
Totally agree, I've also done electronic design work in the lighting industry, though not enough to end up on any standards body. I was trying to ask in as charitable way as possible...
4.
by rxt_ian 7mo ago
Would you be able to post an image of the labelling/markings on the unit?
5.
by rxt_ian 7mo ago
That would certainly make certification easier, but as I suspect you understand, wouldnt achieve it alone. Even if every component was CE qualified, the combination would have to pass its own testing, plus there are a lot more to the standa
6.
by rxt_ian 8mo ago
I'm really curious how they handled certification of a design that was changing apaprently up to the minute it was delivered...
7.
by rxt_ian 8mo ago
I'm curious that this story seems to be missing a big part of hardware design - certification. It seems like the design was being changed up to the minute these were shipped to customers, so it doesn't seem possible that any testi
8.
by rxt_ian 5y ago
The live prongs are insulated to such a length you should not be able to touch any conductive part before the plug is no longer making electrical contact with the socket. It's likely you got a small zap from a filtering capacitor insid
9.
by rxt_ian 5y ago
It's possible that buying the TV and removing the toxisity is more effective - you get the subsidised price, but the manufacturer never makes the ad money back.
10.
by rxt_ian 5y ago
I run Blueiris ( https://blueirissoftware.com/ ). The beauty is you can run a mix of cameras, so I have decent Hikvision ones outside and whatever cheap PTZ I find at a good price inside.