Description
What it is
The MB102 module is a two-rail breadboard power supply device that provides 5V and 3.3V voltages using transformers.
Features
- Provides 5V and 3.3V on a 2-rail breadboard
What it is for
This module is ideal for powering small electronic projects and Arduino boards, especially those that require both 5V and 3.3V voltages. It is suitable for beginners and small-sized projects.
Tutorial: How to use MB102
The MB102 module provides 5V and 3.3V power supply for circuits on a breadboard. Useful for beginners and small-sized projects.
What you need
- MB102
- Breadboard
- Components to power
Steps
- 1. Mount the MB102 on the breadboard.
- 2. Connect the VCC of the MB102 to the +5V of the breadboard.
- 3. Connect the GND of the MB102 to the GND of the breadboard.
- 4. Power the MB102 with a 9-12V DC power source.
- 5. Set the Vout to 5V for general power supply.
- 6. Set the Vout to 3.3V for low-power components.
- 7. Check the datasheet for exact specifications.
- 8. Test the circuit by connecting a sample component.
Mini project
Build a simple button counter using an MB102 for power.
Common mistakes
- Do not connect the power source directly to Vout without going through Vcc and Gnd.
- Set Vout correctly based on the circuit requirements.
- Check that the power supply voltage is between 9-12V.
- Verify the correct polarity of the connections.
Recommended accessories
- Breadboard
- DC Power Supply 9-12V
- Buttons
- LEDs
Frequently asked questions
Does the MB102 support 5V and 3.3V components?
Yes, it provides 5V and 3.3V.
What are the exact power supply specifications?
Check the datasheet.
Can I use a 12V DC power supply?
Yes, but make sure it is stable.
Does the MB102 support low-power circuits?
Yes, 3.3V supports low-power circuits.








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