Adafruit
Adafruit Half-size Perma-Proto Raspberry Pi Breadboard PCB Kit
The Adafruit Half-size Perma-Proto Raspberry Pi Breadboard PCB Kit combines a prototyping board with a built-in Pi Cobbler breakout. Solder the included 2×13...
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The Adafruit Half-size Perma-Proto Raspberry Pi Breadboard PCB Kit combines a prototyping board with a built-in Pi Cobbler breakout. Solder the included 2×13 box header onto the board, connect a 26-pin GPIO ribbon cable (not included), and you get labelled GPIO breakouts alongside a generous half-sized breadboard layout for permanent circuit builds.
Designed to mirror the familiar layout of a half-sized solderless breadboard (30 rows), this PCB makes it easy to transfer your breadboard prototype to a permanent, soldered circuit. The bottom side has the same 5-hole pad pattern as a standard breadboard, with four power bus lines on the sides.
Key Features
- Built-in Pi Cobbler Breakout – All Raspberry Pi GPIO pins labelled and broken out on-board
- Half-Size Breadboard Layout – 30 rows matching standard breadboard pad spacing
- Through-Plated Holes – 1.2 mm diameter drill holes that won't peel off with rework
- Gold-Plated Finish – Resists oxidation unlike bare copper perfboard
- Four Power Bus Lines – Side-mounted power rails for easy VCC and GND distribution
- No Solder Mask on Bottom – Easily cut traces when needed
- Multiple Mounting Holes – Attach to project enclosures securely
- White Silkscreen – Clear labelling on top for easy component placement
Ideal For
- Making breadboard prototypes permanent with soldered connections
- Raspberry Pi GPIO projects needing custom circuitry
- Clean, labelled prototyping with a professional finish
- Mounting in project enclosures
Package Contents
- 1× Half-size Perma-Proto PCB with Pi Cobbler layout
- 1× 2×13 box header (unsoldered)
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.
- GND
- GND is the ground or reference connection (0 V) for a circuit. When connecting two devices together, their grounds must be joined so both agree on what counts as a low or high signal.
- 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.
- 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.
- VCC
- VCC is the positive power-supply connection on a chip or module. Connecting it to the correct supply voltage is needed for the part to power on and helps avoid damaging the electronics.
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