Aleksandr's been opened up again in an attempt to reduce his fat-neck. His range and ease of motion is much improved but the PIR sensor doesn't give the desired effect. Let's face it; with the 3 or 4 hours spent on it, cobbled together from parts from my junk draw; he's not going to be perfect! The PIR sensor triggers the motion OK but the servo really needs to be told to return fully the other way. What it needs is a microcontroller to properly command the servo (and increase the range), switch the LED eyes and do some more sophisticated behaviour.
Should I volunteer?
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We started with one. Sergey added a little humour and cheer to the Paul Pen (long story). We thought we could do some amusing hacking, so one became two; joined by Aleksandr. And yes, we compared them! This is the story of Aleksandr's epic operation...
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