4 Channel I/O GPIO Expansion Board for RPi Pico from SB Components on Tindie
GPIO expander board - for Raspberry Pi Pico - Kitronik 5341 Botland - Robotic Shop
GPIO Extender Board for Raspberry Pi B B+ 2B 3B | Makerfabs
Raspberry Pi 400 GPIO Header Adapter
Raspberry Pi 400 GPIO Extender
Raspberry Pi 40-pin GPIO 1 to 2 Extender – Geekworm
Breakout Extender Diy Expansion Board For Raspberry Pi Pico Gpio No Need To Solder External Sensor Modules For Raspberry Pi - Demo Board - AliExpress
GPIO Expander Header Pins Expansion Board for RPI Raspberry Pi Pico W WH RP2040 | eBay
RPI SHD DOUBLER: Raspberry Pi Shield - GPIO port expander at reichelt elektronik
GPIO Expander for Raspberry Pi Pico Board, Male and Female Pin Headers for Directly Connecting Expansion Modules - AliExpress
Raspberry Pi 3 GPIO Extender - Mechatronics Art
Raspberry Pi Pico GPIO Expansion Board GPIO Extender
Raspberry Pi 400 GPIO Header Adapter, Header Expansion, 2x 40PIN Header
Raspberry Pi Input Extender Kit: Pi Hat + Node
GPIO Extender Board for Raspberry Pi B B+ 2B 3B | Makerfabs
Amazon.com: Electronics-Salon RPi GPIO Expansion Extension Module Board, for Raspberry Pi 3/2 Pi Model B+ Zero. : Electronics
GPIO Expander For Raspberry Pi Pico, 1x Raspberry Pi Standard 40PIN, 1x Pico 2×20PIN | Pico To HAT
GPIO Ribbon Extension Cable for HATs and Mini HATs
Adafruit GPIO Expander Bonnet - 16 Additional I/O over I2C : ID 4132 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Amazon.com: Raspberry Pi 400 GPIO Header Expansion Adapter, with Color-Coded Header,Easy Connect to Your Pi400 : Electronics
![40 Pin GPIO Extension Cable for any 2x20 Pin Raspberry Pi [150mm / 6 long] : ID 4823 : $2.95 : Adafruit Industries, Unique & fun DIY electronics and kits](http://www.adafruit.com/images/480x360/4823-03.jpg "40 Pin GPIO Extension Cable for any 2x20 Pin Raspberry Pi [150mm / 6 long] : ID 4823 : $2.95 : Adafruit Industries, Unique & fun DIY electronics and kits")
40 Pin GPIO Extension Cable for any 2x20 Pin Raspberry Pi [150mm / 6 long] : ID 4823 : $2.95 : Adafruit Industries, Unique & fun DIY electronics and kits
40-way Protected GPIO Extender for Raspberry Pi - Kit
Pi Port Extender Kit for Raspberry Pi 3/ Pi 2/ Model B+
Raspberry Pi GPIO extension cable
