Summary

Small project for the Mini T101 Smart Roboter Tank Chassis which can be bought on aliexpress.
Optional Addon: ESP32-CAM Case

For the chassis you will need:

Brass Hot Melt Insert Knurled Nut
8x m3x4mm OD 4.5mm! (all for Bottom)
4x m3x4mm OD 4.5mm! (Tank-Top)
2x m3x4mm OD 4.5mm! (Top-Lid-CAM) *

Screws (aliexpress)
2x m3x6mm Hex Socket Cap DIN912 (CAM onto Top-Lid-CAM) *
4x m3x6mm Hex Socket Cap DIN912 (Top-Lid onto Tank-Top)
4x m3x12mm Hex Socket Cap DIN912 (Tank-Top onto Tank-Bottom)
4x m3x8mm Hex Socket Cap DIN912 (Tank-Bottom onto Metal Base)
4x m3x7mm Steel Plain Gaskets

(* Not needed for the Top-Lid-Closed)

Battery
2x Protected 18650 Cells
- The electronics used have no reverse polarity protection or discharge protection.

Electronics used (aliexpress)
2x Pairs 18650 battery pack 16MM*18.5MM spring contact piece
1x KCD1 21X15mm 2Pin Rocker Switch
1x ESP32-C3 SuperMini
1x 5Ax2 Dual Way Bidirectional Brushed ESC from Kingmodel
+ Some more Cables, 5mm LEDs, Metal Led Mounts, Mosfet, Resistors, Xbox Controller and Code: DIY

Be aware that there is not much space inside.

Print
1x Tank-Top
1x Tank-Bottom
1x Top-Lid