DFRobot’s RainbowLink-V2 USB-to-serial converter offers four independent channels: one isolated RS-485, one isolated RS-232, and two TTL interfaces, all usable simultaneously.
This compact device also converts 5V from the host’s USB interface into 12V/800mA, 5V/2A, and 3.3V/200mA outputs, eliminating the need for a separate power adapter.
RainbowLink-V2 (TEL0190) specifications:
- USB – 1x USB Type-C port for power and data
- Serial
- 2x TTL (3.3V) via headers
- 1x fully isolated RS485 channel via lever terminal
- 1x fully isolated RS232 channel via lever terminal
- Baud Rate – 2400 to 128000 bps
- Misc
- 3x Power LEDs for 3.3V, 5V, and 12V
- 4x Link LEDs for TTL 1/2, RS232, and RS485
- 12AWG – 22AWG wires supported on lever-type spring terminals
- Built-in short-circuit protection and overcurrent protection (but users are still recommended to avoid short-circuiting to prevent damage)
- Input voltage – 5V via USB-C port
- Output voltage
- 3.3V up to 200mA via header
- 5V up to 2A via header; note: this power interface is directly connected to the USB port. It supports up to 2A when connected to a USB-C port, and up to 500 mA when connected to a USB-A port
- 12V up to 800mA via level terminal and header
- Dimensions – 77 x 57 x 21 mm (PC housing)
