Amazon.com: USB to I2C USB to RS232 USB to Serial USB Converter Module Adapter Board : Electronics
CH341A USB to I2C/IIC/SPI/UART/TTL/ISP Adapter EPP/MEM - Arduiner - Arduino Components Shop
For Usendz @usb2i2c Usb Transfer Iic Iic Twi I2c Special Usb Converter Adapter - Floppy Drives - AliExpress
USB to I2c Interface Adapter Back to Serial-RS232, -Uart, -I2c, -etc Products - China Ftdi to USB C Cable, Micro USB Kabel | Made-in-China.com
DLN-2-U2C USB-I2C/SPI/GPIO Adapter (in U2C-12 compatible mode)
USB-I2C interface module
LinkM - USB to I2C - COM-09903 - SparkFun Electronics
USB TO I2C IIC (i²C)UART TTL Adapter Converter CH341T – M.A.Electronic
2IN1 CH341T module USB to I2C IIC UART TTL Master Adapter Converter | Walmart Canada
Gesture board USB adapter
USB to I2C Converter with Virtual COM Port FT230XS - store.ncd.io
DLN-2 USB-I2C/SPI/GPIO Adapter
USB to I2C Converter - RobotShop
USB to I2C IIC UART TTL Master Adapter Converter STC ISP Download + Sample Code | eBay
Amazon.com: All in 1 USB for ISP Serial Adapter Converters SPI/I2C/IIC/UART/TTL : Electronics
USB-I2C/SPI/GPIO/PWM/ADC Interface | $19.10 to $89.40
Devantech USB to I2C Interface Module - RobotShop
Devantect USB to I2C, SPI and Serial interface - RobotShop
Usb To I2c Adapter I2c Bus Analysis I2c Bus Monitoring Usb-i2c - Instrument Parts & Accessories - AliExpress
ELV USB-I2C-Interface, Komplettbausatz inkl. Gehäuse, bearbeitet und bedruckt, USB-Kabel, 3 Anschlusskabel | ELV Elektronik | Bausätze | ELV Elektronik