SparkFun Breadboard Power Supply
Best power solution for electronics hobbyists building breadboard prototypes.
This kit turns any USB port into a reliable, dual-voltage power source for your breadboard projects. You will need to break out the soldering iron to assemble it, but the trade-off is a clean, protected, and permanent power solution that beats messy jumper-wire setups every time.
$9.95
at
CanaKit
Who it's for
- Prototypers seeking a clean, clutter-free workspace
- Makers switching between legacy and modern sensor voltages
- Engineers requiring stable, reliable power for sensitive circuits
Who should skip it
- Budget-conscious hobbyists avoiding additional hardware purchases
- Developers powering high-draw motors or power-hungry peripherals
- Designers working on cramped, high-density breadboard layouts
Performance breakdown
Breadboard Integration
Designed specifically for seamless mounting onto standard solderless breadboards.
Assembly Complexity
Requires basic soldering skills, making it a rewarding project for beginners.
Power Stability
Reliable dual-rail output ensures consistent voltage for sensitive prototyping components.
Safety Features
Integrated resettable fuse provides essential protection against accidental short circuits.
Portability
Compact form factor fits easily into any portable electronics toolkit.
Versatility
Dual 5V and 3.3V rails accommodate most common hobbyist microcontroller projects.
Key Specs
Material
FR-4
Length
31.75 mm
Width
31.75 mm
Shielding Type
Unshielded
Voltage Rating
5.0 Volts
Current Rating
0.5 Amperes
Mounting Type
Through Hole
Connector Type
USB, Pin Header
Compatibility Platform
Breadboard
Input Power Source
USB port
Know before you buy
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