GPIO pin expander HAT for Raspberry Pi - Waveshare 15799

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

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 4863

Adafruit 801 - Adafruit Prototyping Pi Plate Kit for Raspberry Pi

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

Overlay compatible with Raspberry Pi Zero, Zero W, Zero WH, 1A+, 3A+, 3B, 3B+, 4B. Includes LEDs, buttons, USB-UART converter (USB connector) and buzzer. Cytron Maker pHAT

Connecting ribbon with a length of 15 cm (40 wires), terminated on both sides with 2x20 pin female connectors. The cable can be used to connect Raspberry Pi with prototyping accessories (eg T-Cobbler Plus)

Pin header goldpin black 2x40 pins. Straight connector for through-hole assembly. 2.54mm pitch

Pin expander for Raspberry Pi boards. It is equipped with a standard 40-pin connector for connecting a minicomputer and three sets of 2x20-pin outputs for connecting extension modules. SB Components 14095

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

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)

Threaded hexagon spacer M2,5, sleeve length 14mm, female-female. The sleeve is made of brass

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

Pin strip straight in black, double-row, female with 2x20 layout, 2.54mm pitch and elongated legs (12mm). Thru-hole assembly (THT), often used to build GPIO modules for single board computers. PBD40S L

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

The IO pin expansion module is designed for minicomputers Raspberry Pi 3, Raspberry Pi 4 and Raspberry Pi 400. It contains markings of all inputs and outputs of the minicomputer. DFRobot DFR0828

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