Essential USB to TTL Serial Adapter Module

This high-quality USB-to-UART serial converter board offers a reliable and cost-effective solution for microcontrollers, embedded systems, and various serial communication debugging needs. Available in two optional high-performance specification versions to perfectly match your project requirements.

Technical Specifications & Features

• Dual Voltage Support: Built-in 5V and 3.3V logic level tolerance. Easily switch between levels using the onboard jumper cap.

• Hardware Flow Control: Fully supports RTS/CTS and DTR/DSR hardware flow control for precise data streaming.

• Wide Baud Rate Range: Supports reliable data transmission speeds from 300 bps up to 3 Mbps (varies by variant selection).

• Industrial Standard: Operates stably in harsh environments within a wide temperature range of -40°C to +85°C.

• Status Indicators: Equipped with onboard power and TX/RX data transmission indicator LEDs for real-time status monitoring.

Optional Specification Variants

1. Premium Industrial Stable Edition (Model: FT232RL Chip)

   • Features maximum anti-interference capability and high-precision flow control.

   • Full modem interface pins breakout including TXD, RXD, DTR, RTS, CTS, and DSR.

   • Ideal for automatic program uploading and flashing.

2. Budget-Friendly Highly Cost-Effective Edition (Model: PL2303 Chip)

   • An ultra-affordable choice for general debugging and everyday MCU communication.

   • Compact design with steady performance for mainstream logic levels.

Versatile Applications

• Microcontroller Flashing: Program downloading for popular development boards such as Arduino Pro Mini, ESP32, ESP8266, and STM32 series.

• Device Debugging: Accessing the Linux console terminal backend for routers, network switches, Raspberry Pi, and other development boards.

• Industrial Communication: Connecting legacy industrial instrumentation, weighing scales, and PLCs.