Mechanical

Motor Model Quantity Notes
GM37-520 4 Gear Ratio: 1:90
Chassis 1 Design not provided

Modules

Module Quantity Notes
BlackPill (STM32F411CEU6) 1 Official Github
TB6612FNG 2
INA219 2
Relay Model 2

Power Source

Item Quantity Notes
18650 Battery 8
18650 Battery Case 2
18650 Battery Protection Board 2 Optional
12V DC-DC Stepdown 2

Electronics

Item Value Quantity
Red LED 1
Green LED 1
Resistor R1 100Ω 1
Resistor R2 4.7KΩ 1
Resistor R3 4.7KΩ 1
Switch 1
Emergency stop button 1

And some universal PCBs and cables.