2Pcs CH341T 2-in-1 USB to I2C UART and TTL Serial Programmer Module
2Pcs CH341T 2-in-1 USB to I2C UART and TTL Serial Programmer Module
CH341T 2-in-1 Module, USB to I2C / IIC / UART / TTL Converter, Microcontroller Serial Downloader for ISP Programming and Firmware Flashing Product Parameters Product Name: CH341T 2-in-1 USB to I2C / UART Module Main Chip: CH341 USB bus adapter chip Functions: USB to UART / TTL, USB to I2C / IIC UART Baud Rate: 50bps to 2Mbps Non-Standard Baud Rate: Supported I2C Mode: Master mode only I2C Baud Rates: 20K / 100K / 400K / 750K Voltage Output: 5V and 3.3V Indicator: LED status indicator Selection Terminals: Function and voltage selection terminals Supported Systems: Windows XP / Windows 7 / Windows 8 / Windows 10, Android, Linux, Mac Module Dimensions: Approx. 35 × 18 mm Pin Description VCC: Positive power supply output GND: Negative power supply / ground SCL: I2C clock signal line SDA: I2C data signal line TXD: UART serial transmit pin RXD: UART serial receive pin
Product Features
- CH341T 2-in-1 USB Interface Module: This CH341T module supports USB to I2C/IIC, UART, and USB to TTL communication, making it a practical adapter for microcontroller development, serial communication, and device interfacing in one compact board.
- Supports 5V and 3.3V Output Levels: Built with selectable 5V and 3.3V voltage outputs, the module is designed to work with a wide range of boards and peripherals. It helps simplify connection planning across different logic-level environments.
- Reliable Serial Data and ISP Programming: Ideal for USB to UART data transmission and ISP programming applications, including STC and STM series microcontrollers. Supports serial communication speeds from 50 bps to 2 Mbps, with support for non-standard baud rates as needed.
- Status LED for Easy Operation Checking: An onboard LED indicator provides quick visual feeling during use, helping users confirm power and communication status at a glance. Useful for setup, testing, and troubleshooting during development.
- Compact and Practical Module Design: Measuring just 35 18 mm, this small module fits easily into embedded systems, lab setups, and repair workstations. Function and voltage selection terminals make configuration straightforward for daily use.