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Adafruit Proto Shield for Arduino Kit - Stackable Version R3
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The Adafruit Proto Shield for Arduino (R3) is a versatile prototyping shield with a 0.1" grid, power rails, indicator LEDs, and stacking headers — everything...
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The Adafruit Proto Shield for Arduino (R3) is a versatile prototyping shield with a 0.1" grid, power rails, indicator LEDs, and stacking headers — everything you need to build custom circuits on top of your Arduino. Version R3 is compatible with virtually all Arduino boards including UNO, Mega, Leonardo, and Duemilanove.
Key Features
- 0.1" × 0.1" Prototyping Grid – Large gold-plated pads for easy soldering
- Power Rails – Down the middle and sides for convenient power distribution
- DIP IC Footprint – Accommodates DIP ICs up to 20 pins
- SOIC Breakout Area – Surface-mount area for up to 14-pin SOIC parts
- Stacking + Plain Headers – Both included so you can choose your configuration
- Pass-Through ICSP Header – Stack shields on top and/or use an AVR programmer
- Reset Button + Extra Button – General-use tactile button alongside the reset
- 2 LEDs with Resistors – Red and green 3 mm LEDs for status indicators
- 2× 0.1 µF Capacitors – For power supply stability
- All Pins Brought Out – Every Arduino pin accessible on the prototyping grid
- Mini Breadboard Compatible – Fits tiny breadboards for additional prototyping space
Compatibility
- Arduino UNO, Mega, Leonardo, Duemilanove, Diecimila, NG
- Arduino-compatible boards with standard shield headers
Ideal For
- Custom circuit prototyping on top of Arduino
- Permanent project builds in shield form factor
- Adding DIP or SOIC ICs to Arduino projects
- Learning to solder with a practical, beginner-friendly kit
Package Contents
- 1× Proto Shield PCB (gold-plated)
- 1× Set of stacking headers
- 1× Set of plain headers
- 1× ICSP stacking header
- 2× 3 mm LEDs (red and green)
- 2× Resistors for LEDs
- 2× 0.1 µF capacitors
- 1× Reset button
- 1× General-use button
Note: Comes as a kit requiring soldering. Arduino and breadboard are sold separately.
Resources
Jargon buster
Plain-language definitions for the technical terms used above.
- AVR
- AVR is a family of 8-bit microcontrollers (made by Microchip, formerly Atmel) used in many classic Arduino-style boards such as the Uno and Nano. They are widely supported but older, which can be a limit for memory- or speed-intensive tasks.
- 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.
- 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.
- 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.
- Shield
- An add-on board that plugs into a main controller board to give it extra features such as sensing, motor control or communication. Knowing a product supports shields helps you judge whether it can connect neatly into an existing maker-board setup.
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