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When I got my Pi NoIR camera, I didn't have any IR LEDs to play with, so instead I used my TV's remote control for testing (Road Test review). This was enough to demonstrate the functionality of the Pi NoIR, but it wasn't a permanent solution.   In the mean time, I managed to get my hands on a couple of IR LEDs.   The voltage drop across the IR LEDs I got is approx. 1,5V for a current rating of 60mA, meaning that with a 5V power supply I could put a resistor and 3 LEDs in series. T ...
Project background Element 14 has just shaken me out of winter hibernation by awarding me an Ultimate Pi bundle to help pursue my aim of using the Raspberry Pi as a low-cost 'nerve centre' from which I can automatically control my powerboat. Complete automatic control would be a very tall order indeed, so I'll have to approach it in stages.  One obvious and apparently 'doable' first task is to link the Pi to a GPS receiver and servo motors controlling the helm position so that a course ca ...
I've learned quite a bit more since my last post.  First, I want to just mention how cool it is that Raspberry Pi uses Duck Duck Go for searches.  I just started using Duck a few months ago because I was sick of everyone using my info for marketing, and just wanted to have a little privacy.  Who knew Pi had a partnership there?  Go open source!  Okay, back to the project... so, I decided that it was too much trouble to keep unhooking the keyboard on my computer for the P ...

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