The 5V/3.3V Breadboard Power Supply plugs directly into a standard breadboard and provides regulated 5V or 3.3V power to both rails. It accepts power via either a 7–15V DC barrel jack or a 5V Micro-USB input, giving you flexible options for powering your prototyping projects.

Designed by Seeed Studio, this module fits breadboards with a 5.3cm width and delivers up to 400mA of regulated output.

Key Features

• Dual Input – Micro-USB (5V) or DC barrel jack (7–15V)
• Selectable Output – 5V or 3.3V regulated voltage
• Dual Power Rails – Powers both breadboard rails simultaneously
• Maximum Output Current – 400mA
• Breadboard Compatible – Fits standard breadboards with 5.3cm width

Ideal For

• Prototyping circuits on a breadboard
• Powering 3.3V and 5V sensors and modules during development
• Quick bench setups without external wiring for power

Package Contents

• 1× 5V/3.3V Breadboard Power Supply v1.2