Adafruit
Adafruit Perma-Proto HAT for Pi Mini Kit - With EEPROM
The Adafruit Perma-Proto HAT for Pi Mini Kit with EEPROM is a full-sized prototyping daughter board for any Raspberry Pi with a 2×20 GPIO header. It provides...
The Adafruit Perma-Proto HAT for Pi Mini Kit with EEPROM is a full-sized prototyping daughter board for any Raspberry Pi with a 2×20 GPIO header. It provides a grid of 0.1″ soldering holes connected in a familiar breadboard pattern, plus a pre-soldered 24C32 I2C EEPROM for self-identifying HAT configuration using the Raspberry Pi Foundation's HAT specification.
Nearly every GPIO pin is broken out near the top of the board, along with dedicated power strips for +3V, +5V, and ground. The EEPROM is connected to the EEDAT/EECLK lines and can be programmed to make the HAT self-identifying on boot.
Key Features
- Breadboard-Style Layout – 0.1″ grid with connected pads matching solderless breadboard patterns
- GPIO Breakout – Nearly all Pi GPIO pins broken out along the top edge
- Power Rails – Dedicated +3V, +5V, and GND strips
- 24C32 I2C EEPROM – Pre-soldered for Pi HAT self-identification
- Full HAT Form Factor – Sized for Pi Zero/A+/B+/2/3/4/5
Ideal For
- Building custom self-identifying Pi HATs with EEPROM configuration
- Transferring breadboard prototypes to a permanent soldered HAT
- Custom sensor, relay, or interface circuits connected to a Pi
Also Consider
- Perma-Proto HAT – No EEPROM – Stack-friendly version without EEPROM
- Perma-Proto Bonnet Mini Kit – Smaller Pi Zero-sized version
Package Contents
- 1× Perma-Proto HAT PCB (with pre-soldered 24C32 EEPROM)
- 1× 2×20 Female GPIO Header
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.
- EEPROM
- A type of non-volatile memory that keeps stored data even when power is turned off. In a sensor module, it can be used to store settings or calibration data so they do not need to be re-entered every time.
- 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.
- 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.
- solderless breadboard
- A reusable board with connected holes for building temporary circuits without soldering. It matters in beginner kits because students can change wiring quickly and safely while learning how components connect.
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Brands
Prototyping & Wiring
Raspberry Pi
Related Tutorials
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