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Linux network auto shutdown from APC UPS

The APC Smart-UPS series of UPS devices allows you to power servers and switches when there is a power failure in the grid. When the UPS is running on batteries, you want your servers to be notified and properly shutdown.

jansipke 2015-11-052021-09-12 Hardware No Comments Read more

Measuring temperature and humidity with a JeeNode

In a previous article we looked at the Arduino. Now we will look at an (almost) Arduino compatible clone, the JeeNode. It is a bit smaller and cheaper than the original version and operates at 3.3V instead of 5V. This

jansipke 2010-09-302021-09-12 Hardware, Programming 1 Comment Read more

Programming the Arduino ethernet shield

The Arduino is an open-source electronics prototyping platform based on flexible, easy-to-use hardware and software. It features an IDE that allows you to program the Arduino using a standard USB cable. Several shields exist that extend the functionality of the

jansipke 2010-09-082021-09-12 Hardware, Networking, Programming 3 Comments Read more

Metering the meter cupboard

In this article we will look at my meter cupboard and the meters inside it. In future articles we will see how I used a microcontroller and some sensors to meter the meters (at the time of writing the electricity

jansipke 2010-08-292021-09-12 Hardware 2 Comments Read more

Installing SqueezeCenter on Ubuntu

After installing a brand new Ubuntu 9.04 Server, add the squeezecenter repository to /etc/apt/sources.list deb http://debian.slimdevices.com stable main Then tell apt to reload everything: sudo apt-get update Now try to install squeezecenter: sudo apt-get install squeezecenter The following seems to

jansipke 2009-09-052021-09-12 Hardware No Comments Read more

A Linux NAS setup with software RAID and incremental backup

Characteristics I wanted to make my own Network Attached Storage (NAS) device with the following characteristics: It should have lots of disk space and new disk space should be easy to add. The primary storage should be redundant: if one

jansipke 2009-02-152021-09-12 Hardware, Storage 1 Comment Read more

Personal Video Recorder (PVR)

Introduction On this page you can find information about the Personal Video Recorder I’ve built. I wanted to replace my old VCR with a more versatile machine with higher quality audio and video. There are commercial systems out there that

jansipke 2004-05-012021-09-12 Hardware No Comments Read more




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