Tiny Trak with N20 motors and Wemos D1 Mini ESP8266
cults3d
This is my new tiny trak design using two N20 motors, and since i like compactness, both are in the back, leaving a lot of room in the front for electronics and camera. All that fits into a body of only 20 x 30 x 63mm. I used a Wemos D1 Mini and an Eachine FPV camera, although the body also fits an ESP32-CAM for an all-in-one solution. (If you do that, the hole i left for the on-off switch is the exact right size for the ESP32-s camera to poke out on top.) There's space over the motors for a DRV8833 motor driver, and enough room in the middle for a 1S LiPo battery. I left holes on top for an on-off scitch and a charger port so i don't have to open the body for charging, which i'm yet to install. You will also need four M2 screws for the wheels; the top simply snaps in place.
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