BREADBOARD POWER SUPPLY

MB102 Breadboard Power Supply Module. Fits standard 400-point and 840-point breadboards. Two independent power rails, each switchable between 5V, 3.3V, or OFF. Powered via USB or external DC jack (6.5–12V). Onboard ON/OFF switch. Reverse polarity and short-circuit protection.

Specifications:

• Input Voltage: 6.5–12V DC (or USB 5V)
• Output Voltages: 3.3V and 5V (independently selectable per rail)
• Max Output Current: <700mA
• Rail 1 and Rail 2: independently configurable (5V / 3.3V / OFF)
• Protections: Reverse polarity, short circuit
• Features: ON/OFF switch, USB socket for device output, onboard power LED

Applications:

• Powering 3.3V and 5V breadboard circuits simultaneously
• Arduino and ESP32 prototyping power supply
• Sensor and module testing on the bench