3pcs CH340G USB to TTL Serial Adapter for STC Download, RS232 Upgrade Module

Key features

• High Compatibility with Development Boards Supports STC, for Arduino, and for Raspberry Pi; USB 2.0 to UART interface; 3.3V or 5V power selection; driver included for Windows
• Precise Communication with Full-Duplex Functionality Full-duplex asynchronous communication; 115200 bps baud rate; reliable data transfer for microcontroller programming and debugging
• Easy Setup with Selectable Voltage Output 3.3V or 5V voltage options; simple pin configuration for power, TXD, RXD, and GND; no external power required for most applications
• Robust Design for Stable Performance Built-in CH340G chip; low noise design; stable operation in standard development Workplaces; no calibration needed
• User-Friendly for Microcontroller Projects Plug-and-play functionality; supports firmware flashing and serial communication; compatible with common programming tools and software

Free shipping included. 30-day hassle-free returns.