CP2102USB2UART

🔌 CP2102 USB to UART reverse-engineered

An open-source reverse-engineered version of the CJMCU CP2102 USB to UART TTL adapter, based on the original component available here. This project aims to provide insights into USB-to-serial communication and offer a customizable alternative for embedded system developers.

🎯 Purpose

  • 🔍 Reverse engineering: Understanding the design and functionality of the CP2102USB2UART.
  • 🛠️ Skill development: Enhancing expertise in PCB design and USB-to-serial communication.
  • 🔄 Future adaptation: Leveraging this knowledge to develop custom USB-to-UART solutions for embedded systems.

📝 Features Comparison: Original vs. Reverse-Engineered

Feature Original Module Reverse-Engineered Version
🖥️ PCB Design Proprietary Open-source & customizable
🔌 USB Connector Micro USB Micro USB
🏷️ Chipset CP2102 CP2102
📌 Pin Mapping 6-Pin UART TTL 6-Pin UART TTL
⚡ Supported Voltage 3.3V / 5V 3.3V / 5V
👐 Mechanical Drawing
📝 Reverse-Engineered Schematic N/A
📷 Photo

🛠️ How to Use

📌 Wiring Guide

CP2102 Pin Description
TXD Transmit Data
RXD Receive Data
GND Ground
3V3 3.3V Power Output
5V 5V Power Output
DTR Data Terminal Ready