BlogCharlieplexing : the art of getting more out of less
Monday, February 11th, 2008This weekend I got my head around Charlieplexing, well I kinda understand how it works now. I won’t try to explain the electrical theory behind, I’ll provide links at the end of the post that do a better job. I will tell you that Charlieplexing allows you to drive LEDs (or LCD segments) with less […]
Arduino: bathroom (night)light prototype mobile edition
Saturday, February 9th, 2008I finally acquired a battery pack, DC main connector and a few crocodile clips to make the prototype portable. I opted for a 4 AA battery pack, because I heard/read somewhere that the 9V batteries don’t last very long, where as the 6 volts my battery pack spit out will last longer. Not sure where […]
Arduino and Processing serial interaction
Monday, February 4th, 2008This is more of a reminder for me, when trying to turn Arduino inputs into something that is usable by Processing (a nice language to visualise data quickly, which is also what Arduino IDE is based on). The following Arduino code, reads input from an Light Dependent Resistor and sends the value out via […]
Arduino: bathroom light prototype
Sunday, February 3rd, 2008This is one of my first “useful” projects i.e. has a practical use. Our bathroom light triggers a fan (we don’t have any windows) when turned on, which is fine until you have to pay a nocturnal visit…
Cue the gentle bathroom night light project!
And before I get the comments, yes yes I know I could […]
Velleman 6 piece mini-kits
Friday, February 1st, 2008I had been eyeing up this kit for sometime now, basically it’s 6 mini electrical kits for £12.99. Basically I saw it as a way to get cheap components and maybe learn about new circuits. I drop a post at the h3 yahoo group and said I would provide a kit list. And here […]
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