Aie-Aie

Overview — 1 kg Sumo Robot Chassis
Category:
Autonomous Sumo Robot – 1 kg class

Structure:
Recommended material: PETG or ABS (≥ 3 mm thick)
Assembly: M3 screws and snap-fit joints
Main parts:
Base plate (motor + PCB mounts)
Removable top cover
Front modular sensor bracket
Central battery compartment

Approximate dimensions
Length: 180 mm
Width: 180 mm

Drive system:
2× MG995 servos modified for continuous rotation (DC motor mode)
Operating voltage: 5–6 V
Side-mounted to the chassis using printed brackets
Shaft adapted for 40–45 mm rubber wheels
Wheels: 40–45 mm diameter, high-grip rubber
Rear support: acrylic ball caster or skid

Sensors (mounting layout):
5× VL53L0X distance sensors — arranged in a front semicircle (~36° spacing)
2× TCRT5000 line sensors — embedded in the front underside

Internal compartment:
Battery: LiPo 3S (11.1 V)
Mounted centrally for balanced weight
Top-cover access for easy swapping