{"product_id":"foinnex-usb-to-ttl-uart-adapter-serial-converter-with-ch340e-support-5v-3-3v-ttl-galvanic-isolation-for-esp32-arduino-raspberry-pi-stm32-protects-pc-laptop-against-electrical-surge","title":"FOINNEX USB to TTL UART Adapter，Serial Converter with CH340E Support 5V 3.3V TTL, Galvanic Isolation for ESP32 Arduino Raspberry Pi STM32, Protects PC \u0026 Laptop Against Electrical Surge","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eIsolated If you encounter computer blue screens, system freezes, burned USB ports, communication abnormalities with garbled data, or situations where the power supply voltage of debugging equipment exceeds the 36V safety voltage (which may cause harm to personnel or equipment), simply select the isolated interface - this will effectively resolve most issues.\u003c\/li\u003e\n\u003cli\u003eLevel 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.\u003c\/li\u003e\n\u003cli\u003eElectrical 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.\u003c\/li\u003e\n\u003cli\u003eFlexible Power Supply Without External SourceSupports 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.\u003c\/li\u003e\n\u003cli\u003eStandard 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.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359144018129,"sku":"BW-B0FGX42GYB","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/71RvIWe3C3L._AC_SL1500.jpg?v=1790997847","url":"https:\/\/belmontwarehouse.com\/products\/foinnex-usb-to-ttl-uart-adapter-serial-converter-with-ch340e-support-5v-3-3v-ttl-galvanic-isolation-for-esp32-arduino-raspberry-pi-stm32-protects-pc-laptop-against-electrical-surge","provider":"Belmont Warehouse","version":"1.0","type":"link"}