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A small green circuit board with a 40-pin ribbon cable attached, shown flat on a light surface

Adafruit

Adafruit Assembled Pi Cobbler Plus Breakout Cable for Raspberry Pi 40-pin

SKU CH-B6NP-0CNKV

Breaks out 40-pin Raspberry Pi header to solderless breadboard, pre-assembled with ribbon cable, no soldering required

  • Product typePrototyping Products
  • Prototypes assemble faster with the pre-assembled Cobbler Plus
  • Solderless breadboard access for all 40 GPIO pins
  • No soldering required — ready to use immediately
  • Compact 63 mm × 20 mm × 11 mm footprint saves bench space
  • Lightweight 12 g cable adds negligible load to the Pi

Assembled Pi Cobbler Plus for 40-pin Pi

The Adafruit Assembled Pi Cobbler Plus is a ready-to-use breakout cable for Raspberry Pi models A+, B+, Pi 2, Pi 3 and Pi 4. It connects the board's 40-pin GPIO header directly to a solderless breadboard without any soldering. The compact board measures 63mm by 20mm by 11mm and weighs 12g. It is aimed at makers and engineers who want to prototype circuits quickly.

Limited to 40-pin Raspberry Pi headers

The cable only works with Raspberry Pi boards that expose the 40-pin GPIO layout, specifically the A+, B+, Pi 2, Pi 3 and Pi 4. Older models with the 26-pin header are not supported and would require a different adapter. The ribbon cable carries power, GPIO, I2C and SPI signals to the breadboard. No other host platforms or connector types are compatible with this specific assembly.

Push-on installation with keyed connector

Installation consists of pressing the ribbon cable onto the Pi's 40-pin header and inserting the breakout pins into a standard solderless breadboard. The keyed connector prevents reversed insertion. The assembled height with pins is 20mm, so the board sits close to the breadboard surface. Ensure the cable is fully seated on all 40 pins to avoid intermittent connections during prototyping.

How it compares

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Price $9.99
Cheaper than about 56% of the 170 comparable items (median $11.49).

Specifications

Product
Product typePrototyping Products

Questions about this item

Which version of the Assembled Pi Cobbler Plus should I choose for my Raspberry Pi?

The assembled Cobbler Plus works with Raspberry Pi Model A+, B+, Pi 2, Pi 3 and Pi 4, so the single version covers all those 40-pin boards.

What does the 40-pin ribbon cable actually connect in a prototype?

The 40-pin ribbon cable breaks out every power, GPIO, I2C and SPI pin from the Pi header onto a solderless breadboard for immediate prototyping.

How does the compact 63 mm by 20 mm board fit on a standard breadboard?

At 63 mm long and 20 mm wide the Cobbler Plus straddles the centre trough of a typical breadboard, leaving both pin rows free for jumper wires.

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