Description
A compact and versatile power supply module designed for breadboard prototyping and electronics development.
Provides selectable 3.3V and 5V regulated outputs from a 6.5V–12V DC input.
Ideal for powering Arduino, PIC, Raspberry Pi peripherals, and other microcontroller-based projects directly from your breadboard.
- Product: MB102 Breadboard Power Supply Module
- Output Voltage: Selectable 3.3V / 5V / OFF per rail
- Input Voltage: 6.5V to 12V DC (via 2.1mm barrel jack)
- Quantity: 1 Module
- Dual regulated outputs: 3.3V and 5V
- Compatible with standard MB102 breadboards (2.54mm pitch)
- On-board header pins for direct 3.3V and 5V access
- Push button ON/OFF switch
- Power-on indicator LED
- Maximum output current: 700mA
- Uses A1117-3.3 and A1117-5 regulators
- Dimensions: 54mm x 32mm x 25mm (L x W x H)
What’s Included:
- 1 x MB102 3.3V / 5V Breadboard Power Supply Module
Great For:
- Prototyping with Arduino, Raspberry Pi, PIC, etc.
- Powering sensors, modules, and other components
- Embedded development and hobby electronics
- Classroom and educational STEM kits
Usage Tips:
- Connect to your breadboard via the power rails
- Select output voltage (3.3V, 5V, or OFF) independently for each rail
- Use the onboard headers to tap power for external devices
- Recommended input: regulated 9V DC adapter via 2.1mm barrel jack


