Breadboard Power Supply Module (MB102)

The Breadboard Power Supply Module (MB102) is a compact power supply designed specifically for MB102 breadboards. It provides selectable 3.3V or 5V DC output to each breadboard power rail, making it ideal for Arduino, ESP32, Raspberry Pi, IoT, robotics, prototyping, and DIY electronics projects. The module can be powered through a DC barrel jack or USB Type-A connector.

Features

• Full Name: MB102 Breadboard Power Supply Module
• Compatible with MB102 solderless breadboards
• Selectable 3.3V or 5V output for each power rail
• USB and DC barrel jack power input
• Built-in ON/OFF power switch
• Power LED indicator
• Short-circuit protection
• Plug-and-play installation

Specifications

Pin Configuration

Note: The left and right power rails can be configured independently to output 3.3V, 5V, or be turned OFF using the onboard jumpers.

Applications

• Breadboard prototyping
• Arduino projects
• ESP32 and Raspberry Pi projects
• IoT development
• Robotics
• Sensor interfacing
• Embedded systems
• Educational electronics
• DIY electronics

Advantages

• Easy breadboard integration
• Independent 3.3V and 5V outputs
• Multiple power input options
• Compact and lightweight
• Built-in power indicator
• Simple plug-and-play operation
• Cost-effective prototyping solution

Size

Package Includes

• 1 × MB102 Breadboard Power Supply Module

Note: Use either the USB input or the DC barrel jack as the power source—do not power both simultaneously. Ensure the input voltage to the DC jack remains within the recommended 6.5V–12V DC range to prevent overheating of the onboard voltage regulators.