{"title":"RainbowLink 4 Channel USB to Serial Converter (RS485 / RS232 / TTL)","handle":"rainbowlink-4-channel-usb-to-serial-converter-rs485-rs232-ttl","url":"/products/rainbowlink-4-channel-usb-to-serial-converter-rs485-rs232-ttl","description":"Introduction\nRainbowLink is a high-performance USB protocol converter designed for multi-channel serial communication and power output, making it ideal for IoT and industrial applications. It integrates four independent communication channels—RS485, RS232, and two TTL channels—into a single device, providing a versatile, all-in-one solution for engineers managing diverse communication protocols.\nCompatible with Windows and Linux, as well as devices like LattePanda and Raspberry Pi, RainbowLink is driver-free for most applications, with optional drivers available for enhanced functionality. Additionally, it provides simultaneous 12V, 5V, and 3.3V power outputs, eliminating the need for external power supplies, making it perfect for industrial, agricultural, and laboratory environments.\nKey Features\nQuick-Connect Lever Terminals for Easy Wiring\nRainbowLink features lever-type quick-connect terminals, enabling fast, tool-free wiring. Designed for over 2000 connect-disconnect cycles, these terminals accommodate both pin headers and sockets, ensuring a secure and organized setup while minimizing preparation time and connection errors.\nFour Independent Communication Channels\nThis compact converter includes:\n\n1× RS485 channel\n1× RS232 channel\n2× TTL channels\n\nEach channel operates independently, allowing engineers to monitor and control multiple serial devices simultaneously, eliminating the need for multiple converters and reducing clutter in complex setups.\nVersatile Power Output Options\nRainbowLink offers three built-in voltage outputs, providing flexibility for various testing needs:\n\n12V (800mA)\n5V (2A max via Type-C, 500mA via USB-A)\n3.3V (200mA)\n\nThis eliminates the need for external power sources, making it ideal for sensor testing in remote or field environments.\nApplications\n\nIndustrial Sensor Testing & Debugging\nMulti-Protocol Device Debugging\nLaboratory & Development Board Debugging\n\nSpecifications\n\n\nUSB Interface: Type-C\n\nInput Voltage: 5V\n\nBaud Rate: 2400 - 128,000 bps\n\nTTL Level: 3.3V\n\nCommunication Channels:\n\n\nTTL: 2\n\nRS485: 1\n\nRS232: 1\n\n\n\nPower Output:\n\n\n3.3V (200mA max)\n\n5V (Up to 2A via Type-C, 500mA via USB-A)\n\n12V (800mA max)\n\n\n\nCompatibility: Windows & Linux, LattePanda, Raspberry Pi\n\nDriver Requirements:\n\nDriver-free for basic functionality\n\nOptional driver installation for unique device identifiers & enhanced performance\n\n\n\nDimensions: 72mm × 47mm × 23mm\n\nShipping List\n\n\nRainbowLink 4-Channel USB to Serial Converter (RS485 / RS232 / TTL) ×1\n","vendor":"DFRobot","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":496,"title":"Default Title","sku":"DF-TEL0185","mpn":"TEL0185","price":27.0,"compare_at_price":0.0,"on_sale":false,"in_stock":true,"available_quantity":380,"option1":"Default Title"}]}