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General Discussion
(Moderator:
ianfallon
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barometric pressure
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Topic: barometric pressure (Read 3833 times)
payman
Newbie
Posts: 2
Total likes: 0
barometric pressure
«
on:
November 13, 2015, 11:04:31 am »
I have now managed to get everything working but I was wondering if anyone could help me with attaching a pressure sensor (MPL3115A2 ) to my unit I have one of these units but don't know were to solder all the legs to .
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pn
Winged_Jaguar
Jr. Member
Posts: 60
Total likes: 9
Re: barometric pressure
«
Reply #1 on:
November 13, 2015, 12:08:02 pm »
I'm about to add this sensor too.
This article is helpful
http://ciaduck.blogspot.co.uk/2014/12/mpl3115a2-sensor-with-raspberry-pi.html
Connections from the mpl3115a2 board routing back to these Pi connection pins
Pin 1 VCC 3.3v
Pin 3 SDA
Pin 5 SCL
Pin 6 GND
Chris
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Ian Melville
Engineering
Hero Member
Posts: 1234
Total likes: 72
Re: barometric pressure
«
Reply #2 on:
November 13, 2015, 12:20:08 pm »
Connections are covered here...
http://forum.pilotaware.com/index.php/topic,233.0.html
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neilmurg
Full Member
Posts: 237
Total likes: 31
Re: barometric pressure
«
Reply #3 on:
November 13, 2015, 03:52:07 pm »
Also handy pictures here:
http://forum.pilotaware.com/index.php/topic,57.0.html
Which is adding baro to slice of POD. I think somewhere it says that the 3.3v pin out on the PI isn't strong enough, so you need a Slice of POD, digole board or similar (I barely know what I'm saying at this point)
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Winged_Jaguar
Jr. Member
Posts: 60
Total likes: 9
Re: barometric pressure
«
Reply #4 on:
November 14, 2015, 09:58:55 am »
The MPL3115A2 is a low current device and appears to be fine on the Pi 3.3v. The ARF needs its own 3.3v feed to power the transceiver.
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PilotAware
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British Forum
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General Discussion
(Moderator:
ianfallon
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barometric pressure