Monthly Archives: January 2012

ADE7763 Part-3

Posted on January 30, 2012 by Skye Sweeney

Managed to get some time to play with the ADE7763 over the weekend. During testing of the SPI interface I found numerous problems with timing that I corrected. I am now fairly confident that the underlying digital interface to the … Continue reading →

Posted in Home Energy Monitor, Projects | 4 Comments

ADE7763 Part-2

Posted on January 27, 2012 by Skye Sweeney

Having recently gotten my DigiKey order I installed the crystal and its load caps on the breadboard circuit. Next I started to work on the communications to the ADE. I quickly learned that the Endian-nes of the ADE and and … Continue reading →

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ADE7763 for energy monitor

Posted on January 26, 2012 by Skye Sweeney

Stumbled across the Analog Devices ADE7763 IC. It is a chip dedicated to single phase energy monitoring. It has inputs for current and voltage sensors. The chip takes these values, computes the RMS values, takes the product, and integrates it … Continue reading →

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Pachube and the furnace project

Posted on January 18, 2012 by Skye Sweeney

Just came across the website www.pachube.com. It allows a user to post data to their servers and then use their services to graph and otherwise manipulate the data. Think of it as the YouTube of dynamic data.

Posted in Furnace Monitor, Projects | Leave a comment

Server crash (2.0)

Posted on January 13, 2012 by Skye Sweeney

Memory tests passed. Smartd tests on all drives pass. Connected oscilloscope to Power_Good signal that the power supply sends to the motherboard. There is an occasional glitch on the line. Perhaps the glitch gets a bit bigger at times causing … Continue reading →

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Random crash of my fileserver

Posted on January 11, 2012 by Skye Sweeney

Over the last few weeks, I have noticed that my Linux based file server will randomly reboot. The first time I noticed it I did not give it much thought, but now it happens about once a day.

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Finding an old friend

Posted on January 9, 2012 by Skye Sweeney

Went to the dump over the weekend to drop off an old PC and hoped to find a better one to run in my home lab. As I approached the electronics area, something jutting out of a box caught my … Continue reading →

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