Advanced PCB for RC Car

in the world of RC cars, precision control and efficiency are crucial. To push the limits of performance, I have designed an advanced PCB specifically for RC cars. This custom board integrates high-power motor control, wireless communication, and efficient power management, making it ideal for hobbyists and robotics enthusiasts.

To bring this project to life at scale, I plan to fabricate the PCB using JLCPCB, a leading PCB manufacturer known for high-quality fabrication and affordability. JLCPCB will be instrumental in providing reliable and precise PCB fabrication for this project.

Project Overview

This project aims to develop a custom PCB to enhance the performance of an RC car by providing:

ESP32-S3-based wireless control

• ESP32-S3-based wireless control

DRV8871 motor driver modules for efficient motor control

• DRV8871 motor driver modules for efficient motor control

LM2576 DC-DC converter and AMS1117-3.3V for stable power management

• LM2576 DC-DC converter and AMS1117-3.3V for stable power management

CH340 - USB-to-serial communication support

• CH340 - USB-to-serial communication support

High-quality fabrication from JLCPCB

• High-quality fabrication from JLCPCB

The PCB is designed to be compact, efficient, and easy to integrate into an RC car chassis, allowing for real-time control and enhanced maneuverability.

Schematic and PCB Design

Below is the schematic diagram of the custom PCB:

The design includes the following key sections:

Power Management – Includes an LM2576 DC-DC converter for voltage regulation and an AMS1117-3.3V regulator for stable MCU operation.

• Power Management – Includes an LM2576 DC-DC converter for voltage regulation and an AMS1117-3.3V regulator for stable MCU operation.

Motor Driver Circuit – Uses DRV8871 modules for efficient and high-power motor control.

• Motor Driver Circuit – Uses DRV8871 modules for efficient and high-power motor control.

ESP32-S3 Interface – Provides wireless connectivity via Wi-Fi and Bluetooth.

• ESP32-S3 Interface – Provides wireless connectivity via Wi-Fi and Bluetooth.

CH340 – USB-to-serial communication support.

• CH340 – USB-to-serial communication support.

JLCPCB Fabrication – Ensures high-quality PCB manufacturing and reliable performance.

• JLCPCB Fabrication – Ensures high-quality PCB manufacturing and reliable performance.

PCB layout preview:

Fabrication Plan

The PCB is currently in the design phase and will be fabricated using JLCPCB. Once the PCB is manufactured, I will proceed with component assembly and testing to validate its performance.

Why JLCPCB?

JLCPCB will be instrumental in bringing this PCB to reality by offering:

High-quality PCB manufacturing at an affordable price.

• High-quality PCB manufacturing at an affordable price.

Rapid prototyping with quick turnaround times.

• Rapid prototyping with quick turnaround times.

Precision fabrication with multi-layer and high-density PCB capabilities.

• Precision fabrication with multi-layer and high-density PCB capabilities.

Reliability and durability for advanced electronics projects.

• Reliability and durability for advanced electronics projects.

By partnering with JLCPCB, I aim to take this project further, refine the design, and make it available to the broader RC car community.

JLCPCB Order Link

To get your own high-quality PCB, visit JLCPCB https://jlcpcb.com/?from=STU and take advantage of their affordable and reliable PCB services.

Stay tuned for updates, including the firmware development and performance testing results!