Simple GPIO using USB
China FT232h Breakout - General Purpose USB to Gpio+Spi+I2c Module - China Ftdi to USB C Cable, Micro USB Kabel
Microcontroller Chip Rp2040 M0 Usb Cable Demo Layout Arm Pi - AliExpress
USB digital GPIO I/O extender
DLN-2C USB-I2C/SPI/GPIO Interface (system on chip)
FT232 USB to GPIO Interface Breakout - Adafruit 2264 - BC Robotics
8 Channel USB GPIO Module With Analog Inputs | Numato Lab
FTDI Chip USB Solutions
MCP23017 | Microchip Technology
UTA0301 Bus Adaptor Industrial High-speed USB To SPI I2C PWM ADC GPIO UART CAN | eBay
USB-I2C/SPI/GPIO/PWM/ADC Interface | $19.10 to $89.40
FTDI - USB
USB-TO-GPIO Texas Instruments | Development Boards, Kits, Programmers | DigiKey
Adafruit FT232H Breakout - USB to GPIO+SPI+I2C - Pimoroni
![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/970x728/2264-07.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
![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/970x728/2264-08.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 : $14.95 : Adafruit Industries, Unique & fun DIY electronics and kits
USB-TO-GPIO Texas Instruments | Mouser
Raspberry Pi 4 PCI-Express Bridge “Chip” | Zak's Electronics Blog ~*
Running Machinekit on the low-cost CHIP 9$ Computer - Machine Koder
![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
MCP2221A USB to GPIO ADC I2C Breakout Board - Adafruit | Mouser
USB-TO-GPIO TI Other Components | Veswin Electronics Limited
8 Channel USB GPIO Module With Analog Inputs_ Botland - Robotic Shop
PL2303TB USB to Serial/UART and GPIO Bridge Controller (12 GPIO) | Prolific USA | IC Design & Manufacturing
