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Adafruit Assembled Pi T-Cobbler Breakout for Raspberry Pi
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The Adafruit Pi T-Cobbler breaks out all the power, GPIO, I2C and SPI pins from the Raspberry Pi's 26-pin header onto a solderless breadboard in a T-shaped l...
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The Adafruit Pi T-Cobbler breaks out all the power, GPIO, I2C and SPI pins from the Raspberry Pi's 26-pin header onto a solderless breadboard in a T-shaped layout. The wider T-shape makes the pin labels easier to read compared to the compact Cobbler. Comes fully assembled with a 26-pin ribbon cable — no soldering required.
All pins are clearly labelled on the PCB, so you can build circuits without needing a separate pinout reference.
Key Features
- 26-Pin Breakout – All GPIO, power, I2C and SPI pins broken out to breadboard
- T-Shape Layout – Wider format for easier pin label reading
- Fully Assembled – PCB with socket and headers pre-soldered
- No Soldering Required – Ribbon cable plugs directly into the Pi
- Labelled Pins – Clear pin labels on the PCB
Compatibility
- Raspberry Pi Model A and Model B (Revision 1 and 2)
- Not compatible with Raspberry Pi B+, Pi 2, Pi 3 or Pi Zero (these use a 40-pin header)
Also Available
- Pi Cobbler (Compact) – Smaller footprint version
Ideal For
- Breadboard prototyping with Raspberry Pi
- Learning GPIO, I2C and SPI interfaces
- Rapid circuit development
Package Contents
- 1× Adafruit Pi T-Cobbler Breakout (assembled)
- 1× 26-pin ribbon cable
Important: This is the 26-pin version for original Model A/B only. For Raspberry Pi B+, Pi 2, Pi 3 or Pi Zero, you need the 40-pin version. Raspberry Pi, breadboard and components are not included.
Jargon buster
Plain-language definitions for the technical terms used above.
- breakout
- A breakout board carries a small or fine-pitched component and brings its connections out to standard, breadboard- and header-friendly pins. Describing a part as a breakout means it can be wired into a project without soldering directly to the component's tiny contacts.
- GPIO
- General-purpose input/output pins are microcontroller pins you can set in software to read signals, switch devices on and off, or connect to peripherals. The number of GPIO pins matters because it limits how many buttons, LEDs, sensors, and other parts you can wire directly to the board.
- Headers
- Rows of connector contacts on a fixed pitch (commonly 2.54 mm) used to link a board to a breadboard, jumper wires, or another board. They come as male pin headers and female socket headers; when a module ships with pre-soldered headers it can be used straight away, whereas bare pads require soldering the pins yourself.
- I2C
- I2C is a two-wire communication bus used by many sensors and small modules. It matters because several I2C devices can share the same two wires, but each device needs a compatible address and your controller must support I2C.
- PCB
- A printed circuit board (PCB) is a board, usually rigid, with etched copper tracks that connect electronic components together without loose wiring. Components are mounted on the board and signals route between them through the copper layout.
- solderless breadboard
- A reusable board with rows of internally connected holes for building circuits by pushing in components and jumper wires, with no soldering required. It lets you prototype and rewire a circuit quickly and reversibly before committing to a permanent, soldered build.
- SPI
- A fast serial communication bus often used for displays, memory cards, and sensors. It matters because SPI devices need specific pins for clock and data, plus a separate chip-select line for each device.
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