Adafruit FT232H Breakout - General Purpose USB to GPIO+SPI+I2C
I2C to SPI Click | Mikroe
Devantect USB to I2C, SPI and Serial interface - RobotShop
I²C/SPI Interface Device - NI
USB-I2C/SPI/GPIO/PWM/ADC Interface | $19.10 to $89.40
I2C / SPI Interface Tool "USB to I2C Professional" | Information transmission media for research and development TEGAKARI
DLN-4S Multiprotocol Master & Slave Adapter
USB-ISS
CH341A Programmer Module USB to UART IIC SPI I2C TTL ISP EPP/MEM Converter | eBay
Ch341a Usb To Spi I2c Iic Uart Ttl Isp Serial Adapter Module Epp/mem Converter For Serial Brush Debugging Rs232 Rs485 - Integrated Circuits - AliExpress
Aardvark I2C/SPI Host Adapter - Total Phase
Total Phase Beagle I2C/SPI/MDIO | Bus Protocol Analyzer
781964-03 - Ni - Interface Device, I2C/SPI, USB-8452
Total Phase Aardvark | USB to I2C and SPI Host Adapter
FT232H Breakout - USB-C to GPIO+SPI+I2C Qwiic
781964-02 - Ni - Interface Device, I2C/SPI, USB-8452
CH341 USB To UART, I2C, SPI Parallel Breakout Board – ElectroDragon
ViperBoard I2C/SPI/GPIO USB Interface Adapter Support
Usb To Uart, I2c, Spi (with 4 Adcs, 4 Pwms, 8 Digital Io And Nrf2401 Test Software) - Connectors - AliExpress
$5 CH347 board is a USB 2.0 bridge to I2C, SPI, UART, JTAG, and GPIO - CNX Software
![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](http://www.adafruit.com/images/480x360/2264-05.jpg "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")
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
U2C-12 USB-I2C/SPI/GPIO Adapter
Devantect USB to I2C, SPI and Serial interface - RobotShop
