Adafruit FT232H Breakout (USB to GPIO, SPI, I²C) | Elektor
Amazon.com: 8 Channel USB GPIO Module with Analog Inputs
Sinelec Technologies
Adapter interfaces 40-pin Raspberry Pi add-ons over USB
Numato and Pi Supply generic USB GPIO boards
64 Channel USB GPIO Module With Analog Inputs | Numato Lab
8 Channel USB GPIO Module With Analog Inputs | Numato Lab
8 Channel USB GPIO Module With Analog Inputs | Numato Lab
X-keys USB General Purpose Input Output Module XK-1502-UHIO14-R
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
128 Channel USB GPIO Module With Analog Inputs - Ajitek Tech Solutions Pvt Ltd
16 Channel USB GPIO Module With Analog Inputs | Numato Lab
IAN CANADA BridgePi Adapter USB Interface to GPIO - Audiophonics
SparkFun USB to Serial GPIO Breakout - CP2103 - BOB-00199 - SparkFun Electronics
About USB GPIO Modules | USB-GPIO | IoT GPIO Solutions | Products | taskit GmbH
5v Mini Nano Usb Gpio Expansion Board (a) Kit For Raspi Rpi Raspberry Pi Compute Module 4 Cm4 Lite 2gb 4gb 8gb - Demo Board - AliExpress
USB Interface Adapter EVM Texas Instruments USB-TO-GPIO
Simple GPIO using USB
USB digital GPIO I/O extender
GIGAIPC
16 Channel USB GPIO Module With Analog Inputs | Numato Lab
8 Channel USB GPIO Module With Analog Inputs_ Botland - Robotic Shop