If thinking about the home as a system I need to look at Input/Output (I/O) options. If using a biological model the inputs map to senses and the outputs to muscles and nervous system control. I do not have all these items but hear are some ideas. Inputs Energy Monitor e.g. Owl via CM 160 … Continue reading Home Inputs & Outputs
Programming a Raspberry Pi from the Sofa
I have set up quite a nifty little workflow for interfacing and programming the Raspberry Pi. SSH Access I have set up the Pi with a static IP address and configured SSH access. Setting up a static IP address is easy with an AirPort Extreme. Using AirPort Utility goto Advanced options>DHCP and NAT>Reservations. Set up … Continue reading Programming a Raspberry Pi from the Sofa
WeMo Motion / IFTTT Bugs
Just bought the WeMo Switch and Motion sensor. Setup was fine via app. Next step was connecting IFTTT. I did this via the "...More" button on the app. Click on "Connect to IFTTT" option. A pin is generated. It took me a couple of attempts to realise you can click on the button under the … Continue reading WeMo Motion / IFTTT Bugs
Face Tracking Robot Arm
Ha - awesome - I have made a face tracking robot arm. The 12 year-old me is so jealous.Here's how I did it (on Ubuntu 12.04 but should be portable to the Raspberry Pis):I installed SimpleCV: - http://simplecv.org/ .(I love this - makes it so simple to prototype.)I built this robot arm: - http://www.maplin.co.uk/robotic-arm-kit-with-usb-pc-interface-266257 .I installed pyusb: … Continue reading Face Tracking Robot Arm
Scanning to the Cloud: Fujitsu Scansnap S1500 + Raspberry Pi
Process Flow Get Input to Initiate Scan Scan Using Auto-Document Feed Post Processing Import to Evernote (via email) Install Scanning Driver & Utilities Typically, using: sudo apt-get install sane You may need to adjust permissions for the scanners. I found as a non-root user I could not see any scanners when using: scanadf -L or … Continue reading Scanning to the Cloud: Fujitsu Scansnap S1500 + Raspberry Pi
Digit Recognition for an LCD Screen
While I wait for a £1.75 USB LED light to solve my cupboard lumination problem I thought I would investigate digit recognition for an LCD screen.Turns out some clever people before me have considered the same problem from the point of view of allowing the blind to read displays.I found some good ideas in this … Continue reading Digit Recognition for an LCD Screen
Setting up a Webcam for Stills in Raspberry Pi
First attempt: a Logitech Quickcam:This was detected when I plugged it in. Running lsusb gave me the following output:Then I tried the example described here: http://silicondelight.com/2012/07/grabbing-frames-from-webcam-with-a-raspberry-pi/ However, I kept getting errors relating to the v4l2 libraries. I tried a powered hub - a Logik Hub from Currys snipped as described here - http://www.raspberrypi.org/phpBB3/viewtopic.php?f=28&t=8926 . The … Continue reading Setting up a Webcam for Stills in Raspberry Pi
OCR Meter Readings using Raspberry Pi?
I have a wireless energy meter and thermostat at home. I could try to hack them, taking them apart and listening to certain key voltages. However, the circuits are likely small and breakable. And I would like to use the units again and not pay for replacements. So I was wondering whether I could cheat … Continue reading OCR Meter Readings using Raspberry Pi?