USB to TTL Converter (CH340) – Serial Adapter Module for Arduino, ESP, and More
The USB to TTL Converter with CH340 chip is a compact, reliable, and easy-to-use serial communication adapter. It enables seamless communication between your computer and microcontrollers, development boards, or serial devices via USB. This module is ideal for uploading code, debugging, and serial communication with devices such as Arduino, ESP8266, ESP32, STM32, and more.
 
Key Features:
CH340 Chipset
Utilizes the widely supported CH340 USB-to-Serial chip for stable performance and broad compatibility with Windows, Linux, and macOS.
5V/3.3V Selectable Output
Supports both 5V and 3.3V logic levels via an onboard jumper, making it compatible with a wide range of microcontroller boards.
Compact and Plug-and-Play
USB-powered and easy to use with no external power supply required. Simply plug it into your USB port and begin working with your serial devices.
TX/RX Indicators
Features onboard LEDs that indicate transmit (TX) and receive (RX) activity, useful for debugging and real-time monitoring.
Standard Pinout
Includes standard TTL pins: TXD, RXD, VCC, GND, DTR, and CTS, providing flexibility for various serial communication setups.
 
Applications:
Uploading code to Arduino Pro Mini, ESP8266, NodeMCU, ESP32, and similar boards
Debugging output from microcontroller serial ports
Communicating with GPS, GSM, and other TTL-based modules
Flashing firmware on IoT and embedded system boards
 
Package Includes:
1 x USB to TTL Converter (CH340 chip)
 
Specifications:
Chipset: CH340 (CH340G/CH340C variant)
Voltage Output: 3.3V / 5V (selectable)
Interface: USB 2.0
Compatibility: Windows, Linux, macOS
Supported Devices: Arduino, ESP8266, ESP32, STM32
 
Dimensions:
Length =50mm
Height =20mm
Width =10mm
 
Weight: 8g
 
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