USB I2C Adapter Interface CH341T - 3.3V And 5V Support
USB To I2C Converter Module USB To UART Converter Adapter Module 5V 3.3V | eBay
DLN-2-U2C USB-I2C/SPI/GPIO Adapter (in U2C-12 compatible mode)
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Amazon.com: USB to IIC I2C UART Converter Adapter Module, USB to UART, 5V and 3.3V Voltage Output, 50bps to 2Mbps Serial Data Communication, LED Lamp Status Display, Switch Voltage Side : Electronics