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The Arduino Proto Shield Rev3 is a prototyping expansion board that lets you build custom circuits directly on top of your Arduino Uno R3, Leonardo, Mega 2560 R3, or Due. Its large through-hole grid and dedicated SMD area make it the fastest way to move from breadboard to a permanent, stackable shield.

Advantages

Designed to match the standard Arduino R3 header layout, this shield provides a stable platform for soldering your own components. The onboard reset button and ICSP header give you full control over your prototype, while the 5V and GND power rails simplify wiring.

Suitable for

• Rapid prototyping of custom Arduino shields
• Permanent soldered circuits for embedded projects
• Adding sensors, displays, or motor drivers to your Arduino
• Educational and hobbyist electronics development

Key specifications

• Shield type: Prototyping shield
• Compatibility: Arduino Uno R3, Leonardo, Mega 2560 R3, Due
• Prototyping area: Large through-hole grid
• SMD prototyping area: Yes (for SOIC packages)
• Reset button: Yes
• LED indicators: 2 (power, general purpose)
• Power rails: 5V and GND
• ICSP header: Yes
• Stackable: Yes (requires long stackable headers, sold separately)
• Header type: Standard Arduino R3 headers
• PCB material: FR-4
• Operating voltage: 5V (supplied by host Arduino board)

Recommendations

For a reliable and versatile prototyping solution, pair this shield with long stackable headers to enable stacking multiple shields. Always double-check your solder joints and component orientation before powering up.