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I started this back in May but he, she or it had the servo and sensor mounted on top of the base. I found it kept missing ‘seeing’ obstacles so recently moved the sensor to the front of the base. Well it still messes up sometimes but now it has that nice tilting motion like Fritsl’s robot in part 2. Before: After: Other views: A top-down shot giving the slightly misleading impression that it's fallen apart (it hadn't quite in this picture!) ...
This is a companion discussion topic for the original entry at https://community.robotshop.com/index.php/robots/show/my-first-robot-called-duckie-or-sniffer-if-you-like