Mini Track Loader RC Micro Servo SG90 HXT900
thingiverse
I based this design on the "Mini Track Loader RC" from Zedpi. You can use the LEGO chain and other parts from Zedpi's design at https://www.thingiverse.com/thing:1000713, making it only slightly larger than the original one. The idea originated with Zedpi; I simply redesigned it to accommodate standard micro servos. I used very affordable options like "TOWER PRO - Micro Servo 9g - SG90" from eBay, but I highly recommend Hextronik HXT900 Micro Servos for better performance. To ensure the servos for the chain operate continuously, you'll need to modify them according to online tutorials available on YouTube.
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