Component List
Complete list of all components needed to build an Autobot robot, organized by category.
Essential Components
These components are required for all robot configurations.
Microcontroller
| Component | Quantity | Notes |
|---|
| ESP32 DevKitC or ESP32 NodeMCU | 1 | Main controller — choose one based on your PCB slot |
Motors
| Component | Quantity | Notes |
|---|
| DC Motor | 2 – 4 | Any DC motor compatible with H-Bridge (e.g., TT Motor, N20). Choose with or without Encoder. |
Choose motor quantity based on your robot configuration: 2-wheel (2 motors), 3-wheel (3 motors), or 4-wheel (4 motors). Ensure the motor's voltage and current ratings match your chosen motor driver.
Motor Driver
| Component | Quantity | Notes |
|---|
| L9110S 2-Channel | 1 | For 2-wheel or 3-wheel robots |
| L9110S 4-Channel | 1 | For 4-wheel robots or 3-wheel robots |
Control Board
| Component | Quantity | Notes |
|---|
| Custom PCB | 1 | Simplifies wiring; supports ESP32 + Raspberry Pi 5 |
Power
| Component | Quantity | Notes |
|---|
| Power source (5V) | 1 | Choose: 18650 battery, AA batteries, Power Bank, or Li-Po |
| Step-Down Converter | 0 – 1 | Required if power source exceeds 5V |
Structure
| Component | Quantity | Notes |
|---|
| Robot Base (from Blueprint) | 1 | Cut from acrylic, metal, plywood, or other material |
| Screws & Standoffs | As needed | M3 screws recommended |
Wheels (Choose by Configuration)
| Configuration | Wheels Needed | Quantity |
|---|
| 2-Wheel | Rubber wheels + Caster wheel | 2 + 1 |
| 3-Wheel | Omni wheels | 3 |
| 4-Wheel Differential | Rubber wheels | 4 |
| 4-Wheel Mecanum | Mecanum wheels | 4 |
Optional Components (AI & Vision)
These components are needed only if you want to use AI features such as Human Tracking and Line Tracking.
| Component | Quantity | Notes |
|---|
| Raspberry Pi 5 | 1 | For image processing and AI |
| Camera Module | 1 | USB Webcam or Raspberry Pi Camera Module |
| Jumper Wires (UART) | 3 | RX, TX, GND — between ESP32 and Raspberry Pi |
| SD Card | 1 | For Raspberry Pi OS image |
| USB-C Power Supply (5V/5A) | 1 | For Raspberry Pi 5 |
Wiring & Accessories
| Component | Quantity | Notes |
|---|
| Jumper wires | As needed | For motor-to-driver and driver-to-ESP32 connections |
| Double-sided tape | As needed | Alternative mounting method |
| Battery holder | 0 – 1 | If using 18650 or AA batteries |
| Switch | 0 – 1 | Recommended for easy power on/off |
Minimal (2-Wheel, No AI)
| # | Component | Qty |
|---|
| 1 | ESP32 (DevKitC or NodeMCU) | 1 |
| 2 | TT Motor | 2 |
| 3 | Rubber wheels | 2 |
| 4 | Caster wheel | 1 |
| 5 | L9110S 2-Channel driver | 1 |
| 6 | Custom PCB | 1 |
| 7 | Power source (5V) | 1 |
| 8 | Robot base (Blueprint) | 1 |
Full (4-Wheel Mecanum + AI)
| # | Component | Qty |
|---|
| 1 | ESP32 (DevKitC or NodeMCU) | 1 |
| 2 | TT Motor (with Encoder) | 4 |
| 3 | Mecanum wheels | 4 |
| 4 | L9110S 4-Channel driver | 1 |
| 5 | Custom PCB | 1 |
| 6 | Power source + Step-Down | 1 |
| 7 | Raspberry Pi 5 | 1 |
| 8 | Camera Module | 1 |
| 9 | UART jumper wires | 3 |
| 10 | SD Card | 1 |
| 11 | Robot base (Blueprint) | 1 |
