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KiCad 9.0 |
Compact Breadboard Power Supply with 3.3V and 5V Output
This project is a compact breadboard power supply module designed to provide reliable regulated voltages for electronic prototyping. The module can be plugged directly into a standard breadboard and supplies 3.3V and 5V outputs for microcontrollers, sensors, and other electronic circuits.
The circuit includes voltage regulation, power filtering capacitors, and indicator LEDs to ensure stable operation. The design helps students, hobbyists, and embedded system developers quickly power their breadboard circuits without the need for external bench power supplies.
The PCB was designed using KiCad with a focus on compact size, ease of use, and manufacturability. The board can be powered through a DC input source and distributes regulated power to both sides of the breadboard.
Features:-
Provides regulated 3.3V and 5V outputs
Direct breadboard compatibility
LED power indication
Compact PCB design
Suitable for Arduino, ESP32, STM32, and sensor projects
Easy to manufacture and assemble
Applications:-
Electronics prototyping
Embedded systems development
Educational laboratory experiments
IoT projects
Sensor testing and development
Compact Breadboard Power Supply with 3.3V and 5V Output
*PCBWay community is a sharing platform. We are not responsible for any design issues and parameter issues (board thickness, surface finish, etc.) you choose.
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Víctor Cadierno
Jun 07,2026
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Engineer
Jun 06,2026
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Richard V
Jun 06,2026
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Prajin S
Jun 06,2026
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