5V regulated power supply
About the 5V regulated power supply PCB
5V regulated power supply is an open source PCB design by niyathiarun, published on GitHub. It is a 2-layer board measuring 67 × 61.6 mm, with 14 components from 10 distinct parts.
Other key parts include the L7805. By type, the board carries 5 diodes, 3 capacitors, 2 connectors, 1 IC, 1 fuse and 1 transformer.
It belongs with the power & battery designs in this gallery.
From the project
Beginner PCB design collection built in KiCad — includes 5V Regulated Power Supply, 555 Astable Multivibrator, and BJT Astable Multivibrator circuits.
This repository showcases three foundational PCB design projects created using KiCad, focusing on analog and mixed-signal circuit design for beginners in electronics. Each project demonstrates schematic design, PCB layout, and practical circuit understanding.
This project implements a transformer-based 5V DC regulated power supply designed using the LM7805 voltage regulator IC. It converts 230V AC mains into a stable 5V DC output, suitable for powering logic circuits, sensors, and microcontrollers.
Main components on the 5V regulated power supply
5V regulated power supply bill of materials (BOM)
14 components, 10 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | L7805 | TO-220-3_Vertical | U1 |
| 1 | AC_INPUT | TerminalBlock_MaiXu_MX126-5.0-02P_1x02_P5.00mm | J1 |
| 1 | (+5v, gnd) | TerminalBlock_MaiXu_MX126-5.0-02P_1x02_P5.00mm | J2 |
| 1 | Fuse | Fuseholder_Cylinder-5x20mm_Bulgin_FX0457_Horizontal_Closed | F1 |
| 1 | TRANSFORMER_1P_1S Transformer_1P_1S | Transformer_CHK_EI30-2VA_1xSec | T1 |
| 4 | 1N4007 | D_DO-41_SOD81_P10.16mm_Horizontal | D1, D2, D3, D4 |
| 1 | LED | LED_D3.0mm | D5 |
| 1 | 470UF 470uF | CP_Radial_D6.3mm_P2.50mm | C1 |
| 2 | 0.1UF 0.1uF | CP_Radial_D6.3mm_P2.50mm | C2, C3 |
| 1 | 150 | R_Axial_DIN0204_L3.6mm_D1.6mm_P1.90mm_Vertical | R1 |
5V regulated power supply design files
The KiCad project lives in the niyathiarun/Basic-PCB-Projects repository on GitHub; these links point at the commit this page was built from.
5V regulated power supply: common questions
How big is the 5V regulated power supply PCB?
The 5V regulated power supply measures 67 × 61.6 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the 5V regulated power supply?
14 components, from 10 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the 5V regulated power supply design files?
From the niyathiarun/Basic-PCB-Projects repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the 5V regulated power supply design in my own project?
The repository has no license, so all rights stay with niyathiarun. Use it as a reference, and ask the author before reusing the design.
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