Devantech

Devantech USB-I2C USB to I2C Adapter
Devantech USB to I2C Interface Adapter
Devantech self-powered USB to RS485 adapter with support for baud rates up to 250kbps, automatic bus turn-around, and buses up to 128 devices.
$20.50
Devantech USB to I2C, SPI, Serial Adapter
Devantech USB to UART, I2C, SPI, serial adapter (USB-ISS)
Devantech self-powered USB to RS485 adapter with support for baud rates up to 250kbps, automatic bus turn-around, and buses up to 128 devices.
$20.50
Devantech USB to RS485 Adapter
Devantech USB to RS485 Adapter
Devantech self-powered USB to RS485 adapter with support for baud rates up to 250kbps, automatic bus turn-around, and buses up to 128 devices.
$20.50