Mingzhu Smart Electronics MB102 MB-102 Solderless Breadboard Power Supply Module 3.3V 5V Board DIY Starter Kit
Power & Batteries

Mingzhu Smart Electronics MB102 MB-102 Solderless Breadboard Power Supply Module 3.3V 5V Board DIY Starter Kit

6.4
Good/10

$29.84

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A budget-friendly option that covers the basics. Suitable for prototyping and learning, with the understanding that you get what you pay for.

Output Voltage3.3V
Output Current2A
Input110V/220V AC
Regulation< 1% load regulation

Our Review

The Mingzhu Smart Electronics MB102 MB-102 Solderless Breadboard Power Supply Module 3.3V 5V Board DIY Starter Kit delivers solid performance for its category. With Output Voltage: 3.3V, Output Current: 2A, Input: 110V/220V AC, it covers the essentials that most makers and engineers need for their projects.

Output stability was solid under varying load conditions. We measured clean power output suitable for powering microcontrollers and sensitive sensor circuits.

Thermal performance was acceptable. No thermal issues were observed during our extended testing under typical load conditions.

Overall, the Mingzhu Smart Electronics MB102 MB-102 Solderless Breadboard Power Supply Module 3.3V 5V Board DIY Starter Kit fills its role well. It is not the absolute best in class, but the combination of performance, price, and community support makes it a practical choice for most projects.

What We Like

  • Built-in protection circuits prevent damage
  • High efficiency minimizes heat waste
  • Compact module saves board space in tight enclosures
  • Low quiescent current preserves battery in sleep mode

Watch Out For

  • Thermal shutdown possible in poorly ventilated enclosures
  • Battery capacity degrades after hundreds of charge cycles
  • No reverse polarity protection on input

Specifications

Output Voltage3.3V
Output Current2A
Input110V/220V AC
Regulation< 1% load regulation
ProtectionShort-circuit, over-current
ConnectorMicro-USB
6.4/10
Good

The Verdict

A budget-friendly option that covers the basics. Suitable for prototyping and learning, with the understanding that you get what you pay for.

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