PCB For CH340N USB to UART Converter Module

Description

PCB For CH340N USB to UART Converter Module

CH340N USB to TTL Converter Bare PCB (DIY Soldering Kit)

The CH340N USB to TTL Converter Empty PCB is designed for hobbyists, students, and makers who love DIY electronics. This board provides a compact, easy-to-solder layout for creating your own USB to UART interface based on the CH340N IC — a popular and reliable USB serial converter chip.
Perfect for learning, experimenting, or integrating into your custom embedded projects.

⚙️ Product Specifications:

• PCB Type: Bare PCB (no components soldered)

• Controller IC Footprint: CH340N (SOP8 package)

• Power Supply: 5V via USB

• PCB Size: ~30mm × 15mm

• USB Connector: Type-A male edge connection

• Output Pins: 5-pin header

  • RST – Reset output pin

  • RXD – UART Receive

  • TXD – UART Transmit

  • +5V – Power output

  • GND – Ground

• Recommended Components:

  • 22Ω resistors (USB data lines)

  • 0.1µF and 100nF decoupling capacitors

  • Power LED indicator (optional)

• Silkscreen Labels: Clear marking for all pins and components

• Compatible With: Arduino, STM32, ESP8266, ESP32, AVR, and other UART-based systems

🔧 Features:

• DIY-friendly – all components labeled clearly on silkscreen

• Compact and reliable USB-to-TTL design

• Ideal for students learning USB-to-UART communication

• Supports 5V logic UART interface

• Easy integration with microcontroller-based projects

• Compatible with Windows, macOS, and Linux (via CH340 driver)

Here is  “DIY Soldering Assembly Guide”