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Stavros Korokithakis
@skorokithakis
there's 5VT/5VR/3VT/3VR/VCC/GND and then something that says DB9-2/DB9-3/GND
the DB-stuff seems to be serial
but the 3VT/3VR also seems to be serial
so confusing
Me No Dev
@me-no-dev
the chip by spec does not tollerate 3.3V logic
though I have found it working fine
Stavros Korokithakis
@skorokithakis
this shield claims to have a 3V logic level pin
Me No Dev
@me-no-dev
so they have a convertor there to be able to work on 5V
Stavros Korokithakis
@skorokithakis
so that should work, at least
right
looks like an FTDI cable will work as well
Michael Miller
@Makuna
@mrbig @me-no-dev The official one I thought should be ARDUINO_ARCH_ESP8266 and not ESP8266.
Stavros Korokithakis
@skorokithakis
does anyone know of anything like a microusb to power cable?
tzapu
@tzapu
or a tiny usb power source? similar to the apple watch one for instance? :P just tagging along your question @skorokithakis
Stavros Korokithakis
@skorokithakis
@tzapu what does that one look like?
but EU i d preffer :P
$1? i'm sure these will just catch fire while sitting on a desk
tzapu
@tzapu
yeah, seen most of thise
those*, but wondered if anyone used any
so i know they don t catch fire :P
Stavros Korokithakis
@skorokithakis
i just bought five
so if i don't show up again, you'll know :smile:
tzapu
@tzapu
of the 1$ ones?
:)))
Stavros Korokithakis
@skorokithakis
yeah
tzapu
@tzapu
ok, i ll look for you in 1 month or so
Stavros Korokithakis
@skorokithakis
haha yep
tzapu
@tzapu
apprently the quality of the stabilisation on those cheap ones leaves a lot to be desired, etc
john lee from expressif told us once that they have an idea and will come up with some sort of mains power solution
but haven t seen anything yet
Martin Ayotte
@martinayotte
But that is true for almost any thing from China : a year ago, I've received Wall-PSUs with barrel, one of them had a solder blob inside touching the AC, when I've plug it, 120VAC across OlimexBoard and USB hub, both gave smoke. Fortunately, my PC itself been undamaged, protected by this USB Hub.
tzapu
@tzapu
ffs
glad your pc is ok
that was the mention
Martin Ayotte
@martinayotte
Yes ! now, I'm testing any unit that is connected to AC to make sure there is no AC on the DC side.
Stavros Korokithakis
@skorokithakis
i should start doing that too, good call
no idea if they are half decent...
Lars Englund
@larsenglund
@tzapu reviews of some cheap power supplies can be found here http://www.lygte-info.dk/info/indexUSB%20UK.html
tzapu
@tzapu
wow @larsenglund thank you very much
Holger Lembke
@holgerlembke
tach auch.
Is there something to generate a stable 32k frequenz? ticker-lib does not give more than ms... and digging in the source lead to not much... any idea?
Me No Dev
@me-no-dev
have you tried the other timer?
what is the duty cycle that you want to acheave
Holger Lembke
@holgerlembke
50% is ok