I really like the popular set-up of 2 servos arduino insects on youtube. When I looked at it, I always remember what BEAM robotic guys did long before that set-up became favorite. These people who are analog robot fanatics did better on the gait due to better angle between the two motors (microcore /bicore walker, etc). However, in my opinion, none of those mentioned before look more alive than VBug1.5 (also known as Walkman) created by the founder of beam robotic, Mark Tilden. It’s using 5 motors, therefore it has more maneuverability. Making a simple BEAM robot is not difficult, but building something as complicated as VBug1.5 could be distressing for an electronic novice like me. So, when I decided to make something like Tilden’s bugs, I had to settled with arduino platform, the easiest choice for non-engineers (or in my case, embarrassingly, an engineer wannabe). As a result, I made Walter, a 4 legged arduino robot with 5 servos. You may wonder, if I wanted to make a look-alive bug robot then why I didn’t go with 8 or 12 servos instead. Well, I was thinking something simplest I can do to get most maneuverability I can have. I’m talking about using a lot of glue instead of making frames.”

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