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This is my second robot. It's inspired by Chopstick Junior, https://www.robotshop.com/letsmakerobots/node/29708. Few months ago I found where to buy cheap 8g servos and decided to make myself such walker. The SD21 servo driver board for 21 servos, promoted by Picaxe. Additionnally to be ready to use, it allows to control speed of each servo. I use the speed control to reduce the noise and I assume the wearing of those fragile, light servos. Range sensor IR servo is working at a different speed ...
This is a companion discussion topic for the original entry at https://community.robotshop.com/index.php/robots/show/hairy-quadruped-picaxe-8g-servos