The robot uses twelve SG90 servos and an Arduino nano with a servo driver board to control them all, but there’s one additional feature: Wi-Fi control is provided thanks to a Wemos D1 Mini ...
To inject some life into the puppet, [Will] stuffed it with a pair of SG90 servos in a sort ... one moves the head up and down. An Arduino Uno controls the servos, as well as the stepper motor ...
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