April 8, 2026
Description
Parts used:
ESP32 WROOM 32D
ESP32 Expansion Board 30P DEVKIT V1
OLED 1,5 Zoll Display 128x128 Pixel SH1107
FM5324GA (Battery management, still testing, maybe not final)
Lithium Ion Polymer Battery - 3.7v 2500mAh
4 x SG90 Servo
Tactile Switch 12x12x6 mm
Kabels and connectors
6 x 6x2 mm Screws
2 x 10x3 mm Screws
Old ESD antistatic bag, for display cover (optional)
I used Bottango to animate Otto.
Video:Â Â
Used Software:
License:
Creative Commons — Attribution — Noncommercial — Share Alike
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