Monthly Archives: December 2013

Playtime: Peltier Panel

About 18 months ago a Peltier Effect fridge we had packed up so I broke it apart and stole the interesting bits. The most interesting thing in it was the Peltier panel and, after thinking about checking this out for … Continue reading

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SloBot – “Slo” Progress

Have been carefully going through what’s going on with SloBot and what I need to do. This has involved a lot of reading on numpy and other python related matters – and still a lot to do. Progress has felt … Continue reading

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SloBot – experiments with sonar

I’ve been starting to knock things into shape today – haven’t done a lot but it’s a start. Have added a new “SLAM” class (for Simultaneous Location And Mapping) which doesn’t do much. The constructor performs a 360o rotation and … Continue reading

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SloBot rides again…

Well it was a close run thing in the end. I added the flyback diodes but it made absolutely no difference. They’re a useful thing to have anyway so I’m glad that’s covered now. I also got rid of some … Continue reading

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SloBot – a reprieve

Well my experiments with SloBot today haven’t improved anything much. It really is no use unless I can solve the crashing issue – but I’ve already been through this and plastered capacitors all over the place. Chris mentioned back EMF … Continue reading

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Lots more LEDs

Look what arrived from China this morning… That’s pretty quick – around 2 weeks and at this time of year. It’s a reel of 1000 RGB SMD 5050 LEDs, for 2.6p each 🙂 They don’t have a built-in controller (which … Continue reading

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Good news and bad news…

Starting with the good – I tested the 5 NeoMatrix panels individually just now and 3 of them are absolutely fine. The one with the duff LED at (0,0) doesn’t light up at all – with a bit of luck … Continue reading

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