Source FT232H High Speed Multifunction USB to JTAG UART FIFO SPI I2C Converter Module on m.alibaba.com
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Amazon.com: All in 1 CH341A USB to SPI I2C IIC UART TTL ISP Serial Adapter Module EPP/MEM Converter for Serial Brush Debugging RS232 RS485 : Electronics
FT232H Multifunction USB to JTAG UART FIFO SPI I2C Converter Module
Amazon.com: All in 1 USB for ISP Serial Adapter Converters SPI/I2C/IIC/UART/TTL : Electronics
CONVERTER USB TO SPI by Qualcomm, DEV-SYS-1808-1A | eBay
USB to I2C/IIC/SPI/UART/TTL/ISP Adapter Module EPP / MEM Parallel Port Converter For Serial Brush Debugging
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CH341A Programmer USB to UART IIC SPI I2C Convertor Parallel Port Conv – diymore
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USB Port Converter Module, USB To UART IIC SPI TTL ISP EPP MEM CH341A Chip USB Serial Port Adapter With Working Status Indicator For Program Debugging - Walmart.com