USB-I2C/SPI/GPIO/PWM/ADC Interface | $19.10 to $89.40
GPIO Adapter IO Expansion HAT for Raspberry Pi 400 from SB Components on Tindie
26 Pin GPIO Connector Header Extender 90 Degree Angle | GPIO Extensions | V.O.C.-Electronics
Amazon.com: Waveshare GPIO Header Adapter for Raspberry Pi 400 Interface Extension : Electronics
GPIO Button Adapter - PiShop.us
Raspberry Pi 400 GPIO Header Adapter, Header Expansion
Raspberry Pi 400 GPIO Header Adapter, Header Expansion, 2x 40PIN Header
Raspberry Pi GPIO adapter board module for Raspberry Pi extension board V2.0 | eBay
Amazon.com: T-Type GPIO Extension Module Board Adapter with 40Pin Ribbon Flat Cable for Raspberry Pi 1B+/ 2B/ 3B : Electronics
Raspberry Pi Gpio Adapter Board | Gpio Adapter Raspberry Pi 3 - Original - Aliexpress
The RetroPie GPIO Adapter - petrockblock
Compatible With PI GPIO Adapter Board 40-pin For Breadboard Expansion Board - AliExpress
ELECFREAKS PlanetX GPIO Adapter
Impinj GPIO Adapter for Speedway Antenna Hub IPJ-A6051-000
Raspberry Pi 400 GPIO Header Adapter
Monk Makes GPIO Adapter for Raspberry Pi 400 - RobotShop
Black Box ICOMP-GPIO General-Purpose Input/Output USB RS232 Adapter
Amazon.com: 40 PIN GPIO Header Adapter Color-Coded Header Expansion Board for Raspberry Pi 400,Easy Expansion : Electronics
DLN-2 USB-I2C/SPI/GPIO Adapter
GPIO T-type Adapter Board, 6.5x2.2x0.4in Breadboard Service Life GPIO T-type Board For Raspberry For PI2 For Pi PI3 - Walmart.com
Impinj GPIO Adapter for Speedway Antenna Hub IPJ-A6051-000
GPIO Adapter for Pi 400 - OKdo
