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Author Topic: Useful things with Raspberry Pi  (Read 34774 times)
KB2FCV
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« on: April 30, 2014, 01:03:06 PM »

Very cool forum idea!

I recently picked up a Raspberry Pi. I was wondering what I could do with it to make it something useful in the shack that I might use often? Just looking for ideas...
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K4NYA
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« Reply #1 on: May 01, 2014, 10:53:12 AM »

I've wanted to get one of those for awhile now, but haven't taken the plunge.  How do you like it?
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K0JEG
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« Reply #2 on: May 10, 2014, 09:24:49 AM »

Stratum 1 NTP time server: http://rdlazaro.info/compu-Raspberry_Pi-RPi-stratum0.html

D-Star Acces point: http://www.k6jm.com/hs-piconfigG4KLX.htm

Weather Station: http://www.weewx.com (just started working on this one).

It's nice just having cheap Linux boxes around for experimenting and trying different things. The original point was to allow programming students to mess up a computer that they didn't need for the rest of their classes. Since it just uses SD cards it's a fairly simple process to start over. Even though it will work with 1 Amp power supplies like cell phone chargers, I always connect with 2 Amp supplies, usually used with tablets. My DV access point runs with a high capacity external battery so I can use it mobile without having to worry about losing power (can cause data to be corrupted if not powered down properly).

One other thing I'd like to do is experiment with remote rig control and audio, using the Hamlib libraries and JACK audio. I've messed around with the hamlib libraries running as a daemon on a laptop on a LAN and it worked very well. FYI, hamlib is a standard interface for ham radio devices (radios, rotators, etc) that can run in the background. JACK is an advanced low-latency audio routing application that can run over networks and other devices. It might be interesting to see if there's a way to integrate an iambic key, perhaps using MIDI or some other method too.
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K4NYA
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« Reply #3 on: May 20, 2014, 08:13:26 AM »

Picked up a Rasberry Pi starter kit at Dayton!  Thanks for the links to the projects.  I'll have to give one of them a try once I learn my way around this thing.
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KA5PIU
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« Reply #4 on: June 05, 2014, 03:17:50 PM »

Hello.

The Raspberry Pi is a linux computer.
As such, you can do just about anything with it.
The software that does P-25 can just run on one.
It can run the open source Chirp just fine.
And, it is so small that it can be mounted on smaller monitors on back.
Walmart changed out their in-store display units a while back, the things you see at the ends of the shelves.
That is PERFECT for this!
Mount a set of AA rechargeable cells and you have a crappy laptop, sort of.
But, for programming talkies, APRS, P-25 monitoring, that type of thing, PERFECT!
True, you could do this with a laptop, but, are you willing to drill holes for a mount onto your laptop.
So, think of the Raspberry Pi as an inexpensive building block, a module that can be your gateway to learning.
Thank you.
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KA3NXN
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« Reply #5 on: June 12, 2014, 02:26:40 PM »

I'm using it for our IRLP node check it out. All are welcome. Our node number is 8478. Log on and try it out.

Jaime-KA3NXN.
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SM6XUN
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« Reply #6 on: July 22, 2014, 08:59:36 AM »

There is a Dstar add-on card available for the RPi,
http://nwdigitalradio.com/dv3000-ambe-card-available-now
i have ordered a card but not tried it yet.
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KF5VPK
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« Reply #7 on: July 25, 2014, 04:04:23 PM »

How to solar power a Raspberry Pi:
http://www.adafruit.com/blog/2014/06/20/how-to-build-a-solar-powered-raspberry-pi-piday-raspberrypi-raspberry_pi/
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