U2C-12 USB-I2C/SPI/GPIO Adapter
ICOMP-GPIO, iCOMPEL® General-Purpose Input/Output USB to RS232-Adapter - Black Box
Small Basic: Simpler and Cheaper Raspberry Pi GPIO - TechNet Articles - United States (English) - TechNet Wiki
Adafruit Industries - 2264 - Adafruit FT232H Breakout - General Purpose USB to GPIO+SPI+I2C - Allied Electronics & Automation
Add GPIOs to Windows, Linux, Android Computers and Devices with FTDI USB Adapters / Breakout Boards - CNX Software
USB to UART Converter with GPIO - MCP220 - Electronics-Lab.com
16 Channel USB GPIO Module With Analog Inputs | Numato Lab
USB-TO-GPIO | Buy TI parts | TI.com
TANGNADE Raspberry Pi Zero Mini-HDMI Male To HDMI Female + Micro USB To USB + Male GPIO - Walmart.com
ViewTool Ginkgo USB to SPI Adapter Support Windows/linux/Mac/Android/Raspberry Pi, USB-SPI Compatible with CAN/I2C/UART/ADC/DAC/GPIO : Industrial & Scientific
Texas Instruments Development Kit USB-TO-GPIO | RS Components
USB I2C CLICK MIKROELEKTRONIKA - Click board | converter; GPIO,I2C,USB; MCP2221; prototype board; MIKROE-1985 | TME - Electronic components
USB-TO-GPIO Texas Instruments - Embedded Processors and Controllers - Distributors, Price Comparison, and Datasheets | Octopart component search
USB-I2C/SPI/GPIO/PWM/ADC Interface | $19.10 to $89.40
PC USB to GPIO Adapter? : r/raspberry_pi
MCP 2221-I - P: USB 2.0 to I2C - UART converter, 3.0 ... 5.0 V, GPIO, DIP-14 at reichelt elektronik
SparkFun USB to Serial GPIO Breakout - CP2103 - BOB-00199 - SparkFun Electronics
USB-TO-GPIO Interface Adapter Evaluation Module - TI | Mouser
USB-GPIO Converter for FlexTally | Cerevo
64 Channel USB GPIO Module With Analog Inputs | Numato Lab
BrightSign GP800-C USB-C To GPIO Adaptor 12-pin Cable Kit | Full Compass Systems
![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](https://cdn-shop.adafruit.com/970x728/2264-06.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
IAN CANADA BridgePi Adapter USB Interface to GPIO - Audiophonics
