[First draft, updated] Basis A light bridge in its simplest form is a light source and a light receptor. When the light source can no longer be “seen” by the receptor, the bridge is “broken”. Light bridges are most common in shops where, when you enter, some kind of “ding dong” chime is activated. What… [Read more…]
December 4, 2011
The problem We travel. We have a cat. The cat is old. The cat can not come with us in most of all cases. We currently have no-one to take care of the cat when we are gone. As the cat is old, she can die while we are gone. We want to know if… [Read more…]
October 18, 2011
Dear Archos, I am a fan of your tablets. I bought the Archos 7 Home Tablet and the Archos 32 and Archos 101 tablet as I needed them for my experiments. I will skip the G9 Archos 80 – 2×1000 as I want the G9 Archos 80 – 2×1500. Increasing presence I see your tablets… [Read more…]
October 17, 2011
Brief The next Touch project on my list involves a Surface Acoustic Wave Dual Touch panel. I am choosing this technology for the following reasons/advantages: Affordable multi touch – Capacative screens become increasingly expensive as size increases. SAW stays relatively low cost. Less vulnerable – I noticed with a capacitive Touch screen from [insert here]… [Read more…]
October 5, 2011
Inspired by the allegedly Windows Android x86 demo with a 23 inch multi-touch screen by Martin Drashkov (see second video below), I decided to give my own version a spin. [Edit: Oct 16, 2011] One of the readers of Hack a Day pointed out that a 23 inch Touch panel could not be found. I guess… [Read more…]
August 26, 2011
The search for hardware below the 100 euro price tag When you build stuff that needs some kind of computing power beyond the 20 euro PLC/Arduino scope, Android devices might be your first weapon of choice. When I started to focus my attention on Android in 2010, the cheapest hardware you could find where the… [Read more…]
August 2, 2011
In my previous post about Open Source, Freelancing and the public domain, I mentioned the things to keep in mind when you use and re-use specific (home made) solutions in commercial assignment. But what if you want to do more? Protecting your idea before entering a partnership Say you have the golden opportunity to start a… [Read more…]
August 2, 2011
About two years ago I decided to make the framework for Smart Spaces Open Source. Starting point One of the reasons was a somewhate strange situation with a client who – after a project was closed – suddenly started to press on having a contract signed by me with which I would transfer all the… [Read more…]
July 3, 2011
Can you use XBee and an RFID card reader to create simple, wireless RFID Tag based door openers? And how elaborate will that be? This post explores those questions as the beginning of a research project.
July 3, 2011
It is nice to invent new purposes and business models for commercial space. But how do you make them affordable? And how do you deal with two main barriers for the Owner/Exploiter of office space: overhead and the administration of the process? This post explores a possible solution to offer Office Space - using general purpose RFID Cards like the OV Chipcard and electronic payments - with flexible lease periods, catering small businesses and freelancers.
December 10, 2011
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