SparkFun Breadboard Power Supply Stick
Best compact power solution for electronics hobbyists and rapid prototyping
A versatile, compact power solution for breadboard prototyping that simplifies voltage management. It offers selectable output levels and flexible input options, making it an essential tool for quickly powering and testing custom circuits without complex wiring.
$9.95
at
Electromaker
Who it's for
- Hobbyists working on crowded breadboards with limited workspace.
- Makers building circuits that require multiple standard logic levels.
- Beginners seeking a reliable alternative to unstable battery packs.
Who should skip it
- Engineers designing power-hungry robotics or high-intensity lighting systems.
- Users running continuous high-load applications in enclosed environments.
- Prototypers using specialized or non-traditional circuit mounting hardware.
Performance breakdown
Breadboard Integration
Standard pitch makes mounting seamless, though you must supply your own headers.
Voltage Versatility
Quickly toggling between 3.3V and 5V covers almost every common project.
Input Flexibility
Dual power options accommodate both wall adapters and custom battery setups easily.
Build Quality
Robust enough for daily prototyping, though the exposed components require careful handling.
Control Accessibility
Physical switches make power management and voltage selection intuitive and immediate.
Prototyping Efficiency
Eliminates messy wiring by delivering clean power directly to the rails.
Key Specs
Input Voltage
6 V to 12 V
Output Voltage
3.3 V or 5 V
Header Pitch
0.1 inches
Power Input
DC barrel jack or 2-pin header
Controls
On/Off switch and voltage select switch
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