I2C Converter with Dual Serial to 8-Port Hardware I2C - store.ncd.io
CH341A USB to I2C/IIC/SPI/UART/TTL/ISP Adapter EPP/MEM - Arduiner - Arduino Components Shop
CJMCU FT200XD USB to I2C Converter Module
LinkM - USB to I2C - COM-09903 - SparkFun Electronics
USB-I2C Communications Module
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
Devantech USB to I2C Interface Adapter | Acroname
Serial Module | USB - I2C Converter | FTDI
Breadboard Power Supply 3.3V and 5V with Micro USB Connector and FT232RL Chip for Arduino | Sandbox Electronics
USB To TTL UART I2C Converter Adapter Module Serial Convertor With 6P DuPont Line/USB Extension Line for Arduino|Model Accessories| - AliExpress
FT232RL USB to Serial adapter module USB TO RS232 Max232 for Arduino download | eBay