Raspberry Pi Prototype HAT - prototype board

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

Adafruit 1148 - Adafruit Half-size Perma-Proto Raspberry Pi Breadboard PCB Kit, RoHS

Universal expansion board with screw connectors dedicated to the Raspberry Pi. Facilitates prototyping

Adapter designed for Raspberry Pi minicomputers. It facilitates access to all pins, which are led out on the connector with a raster of 2.54 mm, which allows the use of a breadboard. SB Components 14576

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

Expansion module 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. SB Components 21239

Acrylic case with a place for the breadboard, designed for Raspberry Pi Zero W minicomputers. The user has free access to all minicomputer ports, including GPIO connectors

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.

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 IO pin expansion module is designed for Raspberry Pi 3, 4 and Raspberry Pi 400 minicomputers. It offers GPIO pins, breadboard, 4 buttons and a buzzer. Cytron MAKER-HAT-BASE

Threaded hexagon spacer M2,5, sleeve length 11mm, female-female. The sleeve is made of brass

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 expansion module is designed to work with the Raspberry Pi 400. The board has a 40-pin connector placed in a vertical position and a connector for RPI 400 at an angle of 45°. Adafruit 4862

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

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