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FOINNEX Isolated USB to TTL Converter (3.3V & 5V Switchable)-CH340E USB UART Adapter for Arduino, ESP8266, Raspberry Pi in Saudi Arabia FOINNEX Isolated USB to TTL Converter (3.3V & 5V Switchable)-CH340E USB UART Adapter for Arduino, ESP8266, Raspberry Pi in Saudi Arabia FOINNEX Isolated USB to TTL Converter (3.3V & 5V Switchable)-CH340E USB UART Adapter for Arduino, ESP8266, Raspberry Pi in Saudi Arabia FOINNEX Isolated USB to TTL Converter (3.3V & 5V Switchable)-CH340E USB UART Adapter for Arduino, ESP8266, Raspberry Pi in Saudi Arabia FOINNEX Isolated USB to TTL Converter (3.3V & 5V Switchable)-CH340E USB UART Adapter for Arduino, ESP8266, Raspberry Pi in Saudi Arabia FOINNEX Isolated USB to TTL Converter (3.3V & 5V Switchable)-CH340E USB UART Adapter for Arduino, ESP8266, Raspberry Pi in Saudi Arabia FOINNEX Isolated USB to TTL Converter (3.3V & 5V Switchable)-CH340E USB UART Adapter for Arduino, ESP8266, Raspberry Pi in Saudi Arabia FOINNEX Isolated USB to TTL Converter (3.3V & 5V Switchable)-CH340E USB UART Adapter for Arduino, ESP8266, Raspberry Pi in Saudi Arabia FOINNEX Isolated USB to TTL Converter (3.3V & 5V Switchable)-CH340E USB UART Adapter for Arduino, ESP8266, Raspberry Pi in Saudi Arabia

FOINNEX CH340E/FTDI Chip USB to TTL UART Serial Converter with Overvoltage Protection (3.3V/5V) for ESP32/Arduino/Raspberry Pi/STM32 MCU Safeguards Laptop from Electrical Damage

SAR 63
Brand
FOINNEX
Weight
41 g
– 1 +

Special Features

  • 【Level Conversion, Breaking Communication Barriers】 Built-in circuits enable bidirectional USB to TTL conversion. A computer sends/receives data via USB, which the USB to TTL Converter transforms to TTL level for seamless communication with microcontrollers/embedded modules. Conversely, TTL device data converts back to USB signals, letting the computer read them easily. This bridges gaps between devices with different levels, aligning with roles of a USB to TTL Serial Converter or USB to Uart TTL Converter for smooth data flow.
  • 【Electrical Isolation, Boosting Stability】 Equipped with an "ISO" isolation circuit, it blocks electrical interference between USB and TTL ends. In industrial/electromagnetic environments, it prevents ground loop issues and surge damage, ensuring communication link stability. This critical anti-interference boost makes data transmission reliable—vital for a USB to TTL Serial Adapter , even in harsh settings where a basic USB to TTL might fail.
  • 【Flexible Power Supply Without External Source】Supports switchable 5V/3.3V power output that can directly power external TTL devices (such as low-power sensors and development boards) without requiring additional power modules. This feature makes it perfectly compatible with USB to UART 3.3V serial adapters (USB to Serial 3.3V Adapter) and universal USB to TTL adapters (USB to TTL Adapter), simplifying wiring while meeting diverse voltage requirements. Whether connecting to 3.3V sensors or 5V development boards, this USB 2.0 to TTL serial converter module (USB 2.0 to TTL Module Serial Converter) features built-in power regulation for more convenient device connectivity.
  • 【Standard Pins, Simplifying Connections】 The board has RX/TX/VCC/GND pins with clear markings. Connect the module's TX→device RX, RX→device TX, share GND, and select 5V/3.3V for VCC—steps familiar to users of a USB to Serial Converter or USB to TTL Adapter. Simple wiring quickly establishes communication, lowering development/debugging barriers. This plug-and-play design mirrors the ease of a basic usb to ttl tool, streamlining integration.

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