The Doorman - Eyeball with ball joint
Description
Following modification implemented:Eyeball with built-in ball joint socketImproved main eye holder frame to support the eyeball ball joint, and with SG90 servo screw mount holesLighted eyeballs (2x5mm clear white LED and one 220 ohm resistor)Arduino Nano and expansion shield mountHW-1004 or AM312 mini PIR sensor mounted inside the nostrilLM2596 buck converter for 5V power supply. No additional capacitor is needed. Optional DC Power supply jack Demo1Demo2Note: apply a thin layer of silicone lubricating grease in the eyeball ball joint to help smooth movement.
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