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by marcelr
Tue Jan 01, 2013 8:17 pm
Forum: HATs and other add-ons
Topic: Generic IR decoder module??
Replies: 4
Views: 2824

Re: Generic IR decoder module??

You may want one of these:


Plugs into a USB socket, transmits and receives, and works well with linux on ARM architecture.

by marcelr
Thu Sep 27, 2012 7:34 pm
Forum: Automation, sensing and robotics
Topic: Photovoltaic/solar systems monitoring
Replies: 124
Views: 81988

Re: Photovoltaic/solar systems monitoring

Sounds like an interesting project. I have a 4.3 kWp solar system with a Kostal inverter (with 10Mbit ethernet connection). The communication protocol is available from Kostal, under NDA :-(. I have it, made a datalogging application and since 2 days my Pi is happily logging my solar power plant. Fo...
by marcelr
Mon Sep 24, 2012 8:13 pm
Forum: Troubleshooting
Topic: Ethernet is only on when HDMI connected
Replies: 18
Views: 2761

Re: Ethernet is only on when HDMI connected

I ran into the very same problem today. I am using slackwarearm 13.37 on my raspberry pi. I hooked up the Pi to an old tv-set (composite video), in the boot messages it was complaining about not having enough memory. The problem disappeared when I exchanged the default start.elf with arm240_start.el...

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