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Pico HAT Hacker
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Pimoroni
Raspberry Pi Prototyping Hats
$4.64
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The Pico HAT Hacker gives you full access to all 40 GPIO pins on your Raspberry Pi, broken out at the top of the board. Its ultra-thin 0.8 mm PCB can be sold...
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The Pico HAT Hacker gives you full access to all 40 GPIO pins on your Raspberry Pi, broken out at the top of the board. Its ultra-thin 0.8 mm PCB can be soldered directly onto the Pi's header pins while still leaving enough pin height to stack a HAT or pHAT on top.
Both sides of the board feature pin labels — BCM pin numbering on one side, and descriptive labels (I2C, UART, SPI, PWM, I2S) on the other. Solder it either way up depending on which labels you prefer.
Key Features
- Full 40-Pin Breakout – Access all GPIO pins while a HAT is stacked above
- Ultra-Thin PCB – 0.8 mm thick; fits between the Pi and a HAT/pHAT
- Dual-Sided Labels – BCM numbering on one side, descriptive pin names on the other
- M2.5 Mounting Holes – Standard Raspberry Pi mounting pattern
Specifications
- Dimensions – 65 × 19 × 0.8 mm
- PCB Thickness – 0.8 mm
- Mounting – M2.5 holes
Compatibility
- Raspberry Pi 3, 2, B+, A+, Zero, and Zero W
Ideal For
- Tapping into GPIO pins while using a HAT or pHAT
- Debugging and prototyping with stacked boards
- Adding breakout access to Pi projects
Package Contents
- 1× Pico HAT Hacker PCB
Note: A 40-pin male header is required for soldering onto the Pico HAT Hacker (sold separately). Use minimal solder to prevent wicking up the pins, which can make it difficult to fit HATs on top.
Jargon buster
Plain-language definitions for the technical terms used above.
- breakout
- A breakout is a small circuit board that makes a tiny or hard-to-solder component easier to connect to with standard pins. It matters because this OLED module can be wired into a microcontroller project without needing to solder directly to the display’s fine 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.
- 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.
- I2S
- I2S is a digital audio interface used to send sound data between chips, such as from a microcontroller to an audio amplifier or DAC. It matters if your project needs cleaner digital audio output than a basic buzzer or PWM signal can provide.
- M2.5
- A metric screw thread size with a 2.5 mm nominal diameter. It matters for mounting because screws, standoffs, and holes must use the same size to fit securely without damaging the board.
- PCB
- A printed circuit board is a rigid board with copper tracks that connect electronic parts without loose wires. For this kit, the PCBs also form the airplane shape, so they are both the circuit base and part of the finished model.
- pHAT
- A smaller add-on board format for Raspberry Pi, similar in idea to a HAT but usually not full-sized. It matters because pHAT compatibility can affect how neatly a board stacks or fits into a Raspberry Pi project.
- PWM
- Pulse Width Modulation is a way for a digital pin to simulate variable output power by switching on and off very quickly. It matters for controlling things like LED brightness, motor speed, or servo-style signals from a microcontroller pin.
- 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.
- UART
- UART is a simple serial connection that sends data over separate transmit and receive wires, often labelled TX and RX. It matters because this module is designed to replace a wired UART cable with a wireless link while keeping the same serial data format.
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