SHILLEHTEK Universal Power Supply Module
4.6Editor score
Affordable single piece value
Universal MB102 compatibility
Flexible USB or DC input
In this guide
Finding the right power source is critical for any electronics project. A reliable 12V Breadboard Power Supply ensures your components receive stable energy without risking damage from fluctuations or incorrect voltage levels.
We evaluated ten highly rated modules based on input versatility, output stability, and ease of use. Each product was selected for its ability to integrate seamlessly with standard solderless breadboards and common microcontrollers.
Each pick details key specifications, pros, and cons to help you decide. Note that availability and pricing may change over time, so verify current offers before making your final purchase decision.
Top 3 Picks for Best 12V Breadboard Power Supply
2-Pack Breadboard Power Supply Module
4.5Editor score
Dual Type-C and DC input
Independent channel control
Built-in short circuit protection
LM2596 Multi Channel Switching Power Supply
4.8Editor score
Wide input voltage range
Adjustable output options
Multi channel switching design
Top 10 Best 12V Breadboard Power Supply in 2026 Compared
This comparison table outlines the key technical specifications and unique features of each selected power supply module to help you find the perfect match for your prototyping needs.
ProductsSpecificationsEditor scorePrice
Editor's Choice
2-Pack Breadboard Power Supply Module
Input: Type-C or DC 6-12V
Output: 3.3V or 5V
Current: 2A / 1A
Features: Independent switches
4.5Editor score
Editor's Choice
WWZMDiB 5 Pcs Power Supply Module
Input: 6.5-12V or USB
Output: 3.3V or 5V
Current: <700mA
Includes: 5 Pcs 9V Connector
4.2Editor score
Best Premium
HJ Garden Electronic Component Power Supply Kit
Includes: Breadboard and adapter
Output: 3.3V or 5V
Input: 6.5-12V DC
Current: 700mA MAX
4.0Editor score
HiLetgo 5pcs Power Supply Module
Input: 6.5-9V DC or USB
Output: 3.3V or 5V
Current: <700mA
Pack: 5 Pcs Included
4.3Editor score
SHILLEHTEK Universal Power Supply Module
Input: 6.5-12V DC or USB
Output: 3.3V or 5V
Compatible: MB102 boards
Features: Easy plug and play
4.6Editor score
5 Pack Breadboard Power Supply Module
Input: 6.5-12V DC or USB
Output: 3.3V or 5V
Includes: 9V connectors
Current: <700mA
4.5Editor score
DIY Breadboard Power Supply Soldering Kit
Type: Soldering kit
Outputs: 3.3V, 5V, 12V
Display: Built-in digital
Features: Adjustable output
4.1Editor score
SunFounder BreadVolt Breadboard Power Supply
Output: 5V/1.5A, 3.3V/1A
Compatible: Arduino, ESP32
Features: USB Output
Size: Compact 52x32mm
4.5Editor score
LM2596 Multi Channel Switching Power Supply
Input: 5V-40V
Outputs: 3.3V, 5V, 12V
Features: Adjustable ADJ
Type: Multi Channel Switching
4.8Editor score
Wefomey Universal Power Supply Variable
Output: 3V-24V Adjustable
Current: Max 3A
Display: LCD Real Time
Includes: Multiple DC tips
4.5Editor score
1. 2-Pack Breadboard Power Supply Module – Best Overall Breadboard Power Supply
2-Pack Breadboard Power Supply Module
Input: Type-C and DC
Output: 3.3V/5V
Protection: Over current safe
This module stands out for its modern connectivity options and dual pack value. It rates highly for makers needing flexible power distribution without complex wiring setups. The independent channel control is a significant advantage for mixed voltage projects.
Pros
- Versatile Type-C input
- Independent channel control
- Short circuit protection
- Visual status LEDs
- Value packed 2-pack
Cons
- Requires separate power source
- Soldering may be needed
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The inclusion of both Type-C and classic DC inputs ensures compatibility with various power sources like phone chargers. Short circuit protection safeguards your sensitive components during prototyping phases. Visual LEDs provide immediate feedback on active rails.
The only downside is that it requires an external power source rather than built-in battery support. Some users might find the compact size slightly challenging to handle during initial installation but this is minor.
This is ideal for students, hobbyists, and engineers working on multiple projects simultaneously. The combination of safety features and versatile inputs makes it a top recommendation for reliable breadboard power.
Modern Connectivity Options
The Type-C support allows for easy charging from modern power banks without hunting for specific DC adapters.
Independent Channel Control
Separate switches for left and right rails enable powering different voltage components simultaneously without cross interference.
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2. WWZMDiB 5 Pcs Power Supply Module – Ideal For Bulk Kits Breadboard Power Supply
WWZMDiB 5 Pcs Power Supply Module
Input: 6.5-12V DC
Output: 3.3V or 5V
Pack: 5 Pcs + Connectors
This kit provides a straightforward solution for powering standard breadboards. It is well rated for basic prototyping where high current is not a primary concern. The bundle includes useful accessories to jumpstart your projects quickly.
Pros
- Includes 9V connectors
- 5 piece bundle
- Standard compatibility
Cons
- Lower current output
- Basic design features
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The inclusion of five 9V connectors makes it easy to use battery power when outlets are unavailable. The input range supports standard DC adapters and USB power which adds flexibility to your setup options.
The main limitation is the current limit which restricts usage with power hungry devices. Users planning to run motors or large screens may need to consider higher current alternatives instead.
This product suits beginners or classrooms where multiple stations are needed without breaking the budget. The bundle approach ensures everyone has a module ready for their individual work area.
Battery Flexibility
Included 9V battery connectors allow for portable testing without relying on wall outlets or USB ports.
Standard Breadboard Fit
Designed for 400 and 830 point boards it fits seamlessly into common prototyping setups without modification.
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3. HJ Garden Kit – Complete Starter Solution Breadboard Power Supply
HJ Garden Electronic Component Power Supply Kit
Includes: Adapter + Breadboard
Output: 3.3V or 5V
Input: 12V 1A
This kit offers a complete setup for new makers including breadboard and power adapter. It rates well for convenience since everything needed is in one box. The included 12V adaptor ensures consistent power delivery from the start.
Pros
- Complete all-in-one kit
- Includes jumper wires
- Stable adapter included
Cons
- Breadboard quality varies
- Fixed power supply included
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The addition of colorful jumper wires helps organize connections and reduces clutter on your workspace. Having the breadboard included means you can begin building immediately without needing separate components for the base setup.
The breadboard quality may not match professional standards so larger projects might feel less stable. Additionally the included adapter is fixed so you cannot upgrade it later without purchasing replacements separately.
This is perfect for absolute beginners or educational settings where a ready-to-use kit is preferred. The value of having all components together often outweighs the minor compromises in component quality.
Starter Convenience
Having all components in one package removes the hassle of sourcing individual parts for initial experiments.
Consistent Power
The included 12V 1A adapter provides stable regulated power suitable for most basic microcontroller projects.
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4. HiLetgo 5pcs Module – Reliable Standard Breadboard Power Supply
HiLetgo 5pcs Power Supply Module
Input: 6.5-9V or USB
Output: 3.3V or 5V
Pack: 5 Pcs
HiLetgo is a well known brand in electronics parts offering reliable modules for prototyping. This 5 pack provides ample spares for any project lab or classroom environment. The design focuses on essential functionality without unnecessary complexity.
Pros
- Trusted brand reputation
- Simple operation
- Good price point
Cons
- No battery options
- Basic protection
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The input range of 6.5 to 9V supports standard DC adapters while USB compatibility adds portability. Output switches for 3.3V and 5V are standard on breadboard boards ensuring compatibility with most microcontrollers.
Protection features are basic which is expected at this price point. Users must be careful with wiring to avoid shorts since automated shut-off might not be present on all units.
This product is a solid choice for those needing multiple modules for a team or multiple stations. The reliability of the brand ensures you get consistent performance across all five units.
Brand Reliability
HiLetgo is recognized for consistent quality control in affordable electronic components for hobbyists.
Standard Design
The layout matches typical MB102 specifications making it familiar to most users of breadboards.
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5. SHILLEHTEK Universal Module – Best Value Breadboard Power Supply
SHILLEHTEK Universal Power Supply Module
Input: 6.5-12V or USB
Output: 3.3V or 5V
Cost: Very Affordable
This module offers outstanding value for users needing a single reliable power source. It rates highly for simplicity ensuring you can plug it in and start working immediately. The universal compatibility ensures it fits most standard breadboard layouts.
Pros
- Excellent price performance
- Simple plug in setup
- Wide compatibility
Cons
- Single pack only
- Basic build quality
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The wide input range supports DC adapters and USB sources giving you flexibility on where you work. Switching between 3.3V and 5V is straightforward and provides power for most common sensors and microcontrollers.
It is a single piece purchase so if you need backups you may need to order multiple times. The build quality is functional but lacks premium features like individual LED indicators for each rail.
This is perfect for solo makers or students who need an affordable solution without sacrificing functionality. The low cost makes it easy to replace if damaged during learning experiments.
Budget Friendly
The low price point allows users to equip multiple boards without significant financial investment.
Universal Fit
Designed for MB102 boards it integrates easily into existing setups without requiring custom modifications.
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6. 5 Pack Module with Connectors – Bundle Breadboard Power Supply
5 Pack Breadboard Power Supply Module
Input: 6.5-12V
Output: 3.3V/5V
Extras: 5 Pcs 9V Connectors
This bundle provides a convenient set of modules ideal for classrooms or group projects. It rates well for including 9V battery connectors which are often hard to find separately. The LED indicator offers quick visual confirmation of power status.
Pros
- Includes battery connectors
- Value pack bundle
- LED indicators
Cons
- Limited current capacity
- No voltage adjustment
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Input options include standard DC jacks and USB allowing for versatile power setups. The output voltage is fixed at 3.3V or 5V ensuring stable power for common digital electronics without regulation issues.
The current limit is suitable for logic circuits but not high power devices. Users needing to drive motors should check specifications carefully to ensure this module meets their requirements.
This is an excellent choice for educational environments where multiple stations are needed. The inclusion of battery connectors adds significant value for portable experiments in the field.
Educational Value
Multiple modules in one package simplify setting up labs for multiple students at once.
Battery Ready
Included battery connectors make it easy to switch from AC power to battery power quickly.
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7. DIY Soldering Kit – Advanced Builder Breadboard Power Supply
DIY Breadboard Power Supply Soldering Kit
Type: LM2596 Switching
Outputs: 3.3V 5V 12V
Display: Digital Voltmeter
This kit offers an advanced solution for makers who want to learn through assembly. It features a digital display allowing you to monitor voltage levels accurately during testing. The LM2596 chip ensures efficient power conversion for higher outputs.
Pros
- Multiple fixed outputs
- Adjustable voltage option
- Digital display included
Cons
- Requires soldering skill
- Assembly time needed
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In addition to standard 3.3V and 5V it provides 12V and adjustable output options. This versatility reduces the need for multiple separate modules on your bench. The switching design minimizes heat generation compared to linear regulators.
Building this requires some soldering experience which may not suit absolute beginners. Once assembled however it provides a robust and efficient power solution that outperforms many standard plug in modules.
This is ideal for workshops or experienced hobbyists looking for a customizable power station. The educational value of building it yourself combined with practical utility makes it a unique choice.
Custom Voltage
The adjustable output allows fine tuning for specific components that require non standard voltage levels.
Digital Monitoring
An onboard display shows real time voltage helping you verify correct settings before connecting your circuit.
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8. SunFounder BreadVolt – High Current Breadboard Power Supply
SunFounder BreadVolt Breadboard Power Supply
Output: 5V/1.5A 3.3V/1A
USB: Direct Output
Compatible: Pico W ESP32
This module is designed with modern microcontrollers in mind offering higher current delivery for more demanding boards. It rates well for compact size making it easy to fit in tight spaces. The extra USB port adds a handy connection for peripherals.
Pros
- Higher current output
- Dedicated USB port
- Compact design
Cons
- No 12V direct output
- Brand specific features
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The 5V output at 1.5A supports devices that draw more power than standard modules allow. This is particularly useful for Raspberry Pi models or ESP32 boards that require stable high current to avoid brownouts.
While it excels at low voltage outputs it lacks a direct 12V channel which may require an additional step for some sensors. This design choice prioritizes safety and stability for common digital electronics.
This is best suited for makers using modern single board computers or advanced microcontrollers. The extra current headroom ensures your projects run reliably even under heavy load conditions.
High Performance
The increased current capacity supports high power draw devices without dropping voltage unexpectedly.
Extra Connectivity
An extra USB port allows you to power USB devices directly without extra cabling or hubs.
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9. LM2596 Multi Channel – Premium Adjustable Breadboard Power Supply
LM2596 Multi Channel Switching Power Supply
Input: 5V-40V
Outputs: 3.3V/5V/12V/ADJ
Type: Multi Channel Switching
This premium module provides extensive flexibility for advanced prototyping needs. It supports a wide input voltage range which allows use with various sources including batteries or solar panels. The multi channel setup simplifies power distribution for complex circuits.
Pros
- Wide input voltage
- Multiple fixed and adjustable outputs
- Switching efficiency
Cons
- May need external case
- Higher cost than basics
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Outputs include standard 3.3V and 5V alongside 12V and an adjustable channel. The adjustable output allows precise tuning for analog components or custom sensor requirements. Switching technology ensures efficient power conversion with minimal heat.
The higher price point is justified by the versatility and performance. Users should ensure they have a proper enclosure if using it outside a controlled lab environment for safety.
This is the top pick for advanced makers and engineers needing reliable multi voltage power. The adjustable output feature sets it apart from standard fixed voltage modules.
Input Flexibility
Supporting 5V to 40V input means you can use diverse power sources without worrying about adapters.
Precision Tuning
The adjustable output allows you to set exact voltage levels for sensitive components requiring precision.
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10. Wefomey Variable Adapter – Lab Bench Breadboard Power Supply
Wefomey Universal Power Supply Variable
Output: 3V-24V
Current: Max 3A
Display: LCD Readout
This variable adapter serves as a versatile lab bench power solution for various electronics. It offers high current capacity suitable for powering larger projects or multiple devices simultaneously. The LCD display provides accurate real time voltage readings.
Pros
- Variable voltage range
- High power capacity
- Multiple tips included
Cons
- Not plug and play
- Requires adapter cables
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The voltage range of 3V to 24V covers nearly all common electronic voltage needs. High power capacity ensures stable delivery even when multiple components are connected to the same source. The adapter comes with many tips for device compatibility.
It is not a direct plug and play breadboard module requiring you to connect alligator clips or specific cables. This adds complexity but grants significant flexibility for custom setups outside standard breadboard rails.
This is perfect for those who need a single power source for multiple types of projects. The flexibility to adjust voltage manually makes it a robust tool for diverse prototyping scenarios.
Versatile Voltage
Adjustable output from 3V to 24V allows one adapter to replace multiple fixed voltage power bricks.
High Power
With 3A capacity this adapter can power high draw devices that standard breadboard modules cannot handle.
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Buying Guide – How to Choose the Best 12V Breadboard Power Supply
Selecting the right power module involves considering input options, output requirements, and safety features. Here are key factors to evaluate before buying.
Input Voltage and Connector Types
Look for modules that support 6V to 12V inputs and offer Type-C or standard DC jacks. This ensures you can use common adapters or power banks easily without hunting for rare cables.
Choose input options that match your available power sources for convenience.
Output Voltage Options
Ensure the module provides both 3.3V and 5V outputs as most microcontrollers and sensors use these voltages. Some models offer 12V direct output which is useful for specific actuators or LEDs.
Verify that the output options match your specific component requirements.
Current Capacity
Check the maximum current output rating typically between 700mA and 2A. Higher current allows you to power more components or those with higher demands without voltage drops.
Select a module with sufficient current headroom for your projects.
Safety Protections
Prioritize models with short circuit and over current protection. These features prevent damage to your components if a wiring error occurs during prototyping.
Safety features are essential for protecting sensitive electronics during experimentation.
Ease of Use
Look for plug and play designs that fit standard breadboard rails directly. Visual status indicators like LEDs help confirm power status quickly without extra tools.
Simple interfaces reduce setup time and help beginners learn faster.
Package Value
Multi pack bundles or kits with jumpers and adapters offer better value. Buying in bulk is efficient for classrooms or multiple workstations.
Consider whether you need just one unit or several for your environment.
Portability
If you work on the go, check for USB compatibility or included battery connectors. These features allow you to power projects anywhere without needing wall outlets.
Portability is key for makers who work in different locations.
Compatibility
Verify the module fits standard MB102 or similar breadboards. Universal compatibility ensures you can use it with any standard breadboard you own.
Standard dimensions prevent fitting issues with your existing setup.
How to Use and Care for Your 12V Breadboard Power Supply
Plug the module firmly into the power rails of your breadboard ensuring it sits flush. Connect your chosen power source such as a DC adapter or USB cable to the input jack.
Use the onboard switches to turn on the desired voltage channels. Check the LED indicators to confirm that power is active before connecting your circuit.
Store modules in a dry place away from static prone surfaces. Avoid exposing them to moisture or high heat to ensure longevity and consistent performance.
Frequently Asked Questions
Can I use a standard phone charger with these modules?
Yes many models support Type-C or USB inputs allowing you to use standard phone chargers. This provides a convenient way to power projects without buying adapters.
Is 12V input required for all modules?
Most modules support a range typically 6.5V to 12V. You can use a 9V adapter if available but ensure the voltage falls within the supported range.
Do these modules work with any breadboard?
They are designed to fit standard MB102 or similar solderless breadboards. Always check dimensions to ensure compatibility with your specific breadboard model.
What happens if I short circuit the output?
Modules with short circuit protection will limit or cut power to prevent damage. However always check specifications as basic models may not have advanced protection.
Can I connect multiple modules to one power source?
Ensure your power source can handle the combined current draw. Connecting multiple modules requires an adapter with enough capacity to avoid overloading.
Are these suitable for powering Raspberry Pi?
Modules with 5V 1.5A or higher are suitable for Pi models. Standard 700mA modules might not be enough for full Pi boards under load.
How do I know which voltage to use?
Check your components datasheet. Most sensors use 3.3V or 5V and using the correct voltage prevents damage and ensures correct operation.
Do I need extra connectors for battery power?
Some bundles include 9V battery connectors. If not you may need to purchase standard 9V battery snaps separately to use battery power.
Final Thoughts on Choosing the Best 12V Breadboard Power Supply
We have reviewed the top 12V Breadboard Power Supply options for their reliability and features. The 2-Pack module and SHILLEHTEK offer great value while the LM2596 provides advanced adjustability.
Prioritize safety and current capacity to ensure your components run smoothly. Matching input types to your workspace will also improve your prototyping experience.
Remember to check current offers before purchase as availability changes. Selecting the right module will simplify your electronics work and protect your projects.