Adafruit LTC4311 I2C Extender / Active Terminator [STEMMA QT / Qwiic] : ID 4756 : $7.50 : Adafruit Industries, Unique & fun DIY electronics and kits
UMFT201XB-01 - Ftdi - USB to I2C Breakout Module, USB Battery Charger Detection, 3.3V O/p
MIKROE-1985 | Mikroelektronika USB I2C Click I2C Converter Development Board 5V | Distrelec Germany
Yocto-I2C - USB to I2C adapter, driver-free
USB to I2C 2 Click
USB to I2C Module
UMFT200XD-01 - Ftdi - FT200XD, USB TO I2C, BREAKOUT BOARD
USB-I2C/LIN-CONV-Z Analog Devices Inc. | Development Boards, Kits, Programmers | DigiKey
UMFT260EV1A - Ftdi - EVAL BOARD, USB TO I2C / UART MODULE
Total Phase Beagle USB 480 | USB 2.0 Protocol Analyzer
FT201XQ - FTDI
USB UART/I2C Debugger for Raspberry Pi, Arduino from SB Components on Tindie
RS232 to I2C Click - Mikroe | Mouser
EVKT-USBI2C-02 Monolithic Power Systems Inc. | Development Boards, Kits, Programmers | DigiKey
FT232H Breakout - USB-C to GPIO+SPI+I2C Qwiic
USB-I2C/SPI/GPIO Interface Adapter.
Adafruit TCA4307 Hot-Swap I2C Buffer with Stuck Bus Recovery [STEMMA QT / Qwiic] : ID 5159 : $4.95 : Adafruit Industries, Unique & fun DIY electronics and kits
I2C Shield for Arduino UNO - RobotShop
Adafruit FT232H Breakout - General Purpose USB to GPIO, SPI, I2C [USB C & Stemma QT] : ID 2264 : $14.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Total Phase Aardvark | USB to I2C and SPI Host Adapter
Amazon.com: DSD TECH SH-U05A USB to SPI IIC I2C UART 3-in-1 Adatper : Electronics
Devantect USB to I2C, SPI and Serial interface - RobotShop
USB-ISS - Enhanced USB-I2C Module
China Low Price CH341A Programmer USB To UART IIC SPI I2C Converter Parallel Port Indicator Board Module - Quotation - GNS COMPONENTS
USB-I2C/SPI/GPIO Interface Adapter.
Devantect USB to I2C, SPI and Serial interface - RobotShop
781964-02 - Ni - Interface Device, I2C/SPI, USB-8452
EVKT-USBI2C-02 - Monolithic Power Systems (mps) - Evaluation Kit, USB to I2C /PMBUS
USB to I2C Module
781964-03 - Ni - Interface Device, I2C/SPI, USB-8452
USB I2C click — board with MCP2221 USB-to-UART/I2C converter
$5 CH347 board is a USB 2.0 bridge to I2C, SPI, UART, JTAG, and GPIO - CNX Software