Below are some unscientific tests done on my Beagleboard. I hooked up my multimeter to determine current draw for several states.
Here are the results.
During Xubuntu boot, with 1x webcam and Wifi stick:
.500A to .900A
Boot, no attachments:
.300-.450A
...Embedded Linux, Raspberry Pi, BeagleBoard, PandaBoard, Arduino and robotics...
Tuesday, March 22, 2011
Sunday, March 20, 2011
Pandaboard & Beagleboard: Using rsync and cron to backup a directory
This post is about using rsync to ensure a local directory's contents are backed up to a server.
I currently have a beagleboard running as a security camera (link to tutorial) and have mounted a remote Samba share locally. I would like the Beagleboard to copy the security footage every 2 minutes to the server and in a separate step I'll then delete files over a certain age.
This way the Beagleboard's SD card will not get full and I'll have a secure, backed up server holding the footage.
I currently have a beagleboard running as a security camera (link to tutorial) and have mounted a remote Samba share locally. I would like the Beagleboard to copy the security footage every 2 minutes to the server and in a separate step I'll then delete files over a certain age.
This way the Beagleboard's SD card will not get full and I'll have a secure, backed up server holding the footage.
PandaBoard: Using a Webcam as a Security Camera
Assumptions:
The following assumes you are running Ubuntu on your PandaBoard or BeagleBoard. It also assumes the board has a working Internet connection. If you need to set up Wifi see this post here: http://adventuresinsilicon.blogspot.com/2011/01/pandaboard-setting-up-wifi-on-comand.html
This tutorial is about setting up a headless Pandaboard or BeagleBoard with a webcam attached. This webcam will act as a security camera and will record videos when motion is detected.
Steps:
The following assumes you are running Ubuntu on your PandaBoard or BeagleBoard. It also assumes the board has a working Internet connection. If you need to set up Wifi see this post here: http://adventuresinsilicon.blogspot.com/2011/01/pandaboard-setting-up-wifi-on-comand.html
This tutorial is about setting up a headless Pandaboard or BeagleBoard with a webcam attached. This webcam will act as a security camera and will record videos when motion is detected.
Steps:
- Install an SSH server so we can login from another computer on the network
- Install 'motion' software which controls the camera
- Configure motion
- Automatically start motion on startup
Friday, March 4, 2011
Coming soon - Using an Arduino to control a 3d game engine
Soon I'll post the rudimentary elements needed to use sensor data captured by an Arduino to control the world inside a 3D game engine (Irrlicht).
This engine can run on a PC or Beagleboard/Pandaboard and this means you can interface with robotics easily.
ETA is a couple of weeks at most.
This engine can run on a PC or Beagleboard/Pandaboard and this means you can interface with robotics easily.
ETA is a couple of weeks at most.
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