Adafruit - 914 for Raspberry Pi

The KAmod RPI5-Proto universal board is an accessory designed for the Raspberry Pi 5, offering a grid of metalized holes in a 2.54 mm pitch and GPIO pins and I2C, SPI and UART interfaces, which makes it easy to create simple electronic circuits

Industrial USB TO TTL (D) Serial Cable, Original FT232RNL Chip, Multi Protection Circuits, Multi Systems Support, With Separated 4pin Header + SH1.0 3PIN Connector, Suitable For Raspberry Pi 5 Serial Port Debugging. USB TO TTL (D)

GPIO expansion board for Raspberry PI B + and RPi 2 - set: cable, adapter, contact pad 400 fields

Adafruit 942 - Adafruit Pi Dish for Raspberry Pi - Includes Breadboard

Universal prototyping board for Raspberry Pi minicomputers. Comes with a 40-pin connector. Adafruit 3203

The expansion module is designed to work with Raspberry Pi 400 - a  portable computer built into the keyboard. The board has a 40-pin connector in the pin position and two Qwiic connectors. SparkFun DEV-17512

The adapter allows for prototyping using the GPIO connectors of Raspberry computers, and thanks to the IDC 40-pin tape it is possible to securely and securely connect the adapter with the RPI output

Mini pin expander designed for Raspberry Pi boards. It is equipped with a standard 40-pin connector for connecting a minicomputer and a set of 2x20-pin outputs for connecting expansion modules. Pimoroni PIM300

Prototyping kit dedicated to Raspberry Pi. It offers GPIO pin leads, a breadboard, buttons, LEDs and a buzzer. SB Components 11605

The KAmod RPi Zero Proto board intended for prototyping systems with Raspberry Pi Zero facilitates creating connections thanks to a 2.54 mm hole grid and GPIO, I2C, UART, and power outputs. It works well for building test projects and in education.

Expansion module designed to work with a portable computer built into the Raspberry Pi 400 keyboard. There are two 40-pin connectors on the board in a vertical position. SB Components 21307

Adafruit 1135 - Adafruit Perma-Proto Raspberry Pi Breadboard PCB Kit

Adapter between the Raspberry Pi GPIO port and universal contact plates, RoHS

The GPIO Expander HAT for Raspberry Pi is a versatile solution that allows multiple modules to be connected simultaneously to the same GPIO lines. With clear labeling and compatibility with popular Raspberry Pi models, the HAT is suitable for educational projects, electronic circuit prototyping, and complex system integration. It is ideal wherever there is a need to duplicate pinouts without limiting access to the Raspberry Pi’s ports.

The expansion module is designed to work with a portable computer built into the Raspberry Pi 400 keyboard. The board has a 40-pin connector in a vertical position. Waveshare PI400-GPIO-ADAPTER-A