2 layers98 × 27 mm
2 layers30.7 × 22.4 mm
Pcb of powerschematic
ahmetsellm/power_schematic.....
- Size
- 30.7 × 22.4 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 5
- Nets
- 4
- Pads
- 12
- Tracks, vias
- 37, 0
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 4 Sep 2026
- Updated
- 6 Sep 2026
Overview
Pcb of powerschematic is an open-source printed circuit board by ahmetsellm, from the ahmetsellm/power_schematic repository on GitHub. It is a 2-layer board of 30.7 × 22.4 mm with 5 parts on 4 nets, routed with 37 tracks and 0 vias.
Its parts include 2 capacitors, 2 resistors and 1 IC.
README
README.md5V - 3.3V Voltage Regulator Board (LT1117-ADJ)
This repository contains the hardware files for a simple and stable 5V-to-3.3V step-down voltage regulator circuit, designed using KiCad.
Hardware Details
The circuit is built around the LT1117-ADJ adjustable voltage regulator. The desired 3.3V output voltage is achieved using a voltage divider network formed by R1 (240Ω) and R2 (390Ω). Filter capacitors are used on both the input and output stages to suppress power line ripple and improve stability.
Technical Specifications
- Input: 5V
- Output: 3.3V
- Software Used: KiCad EDA
Bill of Materials (BOM)
| Reference | Component | Value | Footprint |
|---|---|---|---|
| U1 | Regulator | LT1117-ADJ | SOT-223-3 (SMD) |
| R1 | Resistor | 240Ω | Standard THT (Axial) |
| R2 | Resistor | 390Ω | Standard THT (Axial) |
| C1, C2 | Capacitor | 10uF | Polarized THT (Radial) |
Screenshots
Schematic
PCB Layout
3D View
Parts
5| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | 10uF | Capacitor_THT:CP_Radial_D4.0mm_P1.50mm | C1, C2 |
| 1 | 240 | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R1 |
| 1 | 390 | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R2 |
| 1 | LT1117-ADJ | Package_TO_SOT_SMD:SOT-223 | U1 |
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Questions
How big is the Pcb of powerschematic PCB?
It measures 30.7 × 22.4 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Pcb of powerschematic use?
5 parts. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Pcb of powerschematic KiCad files?
From the ahmetsellm/power_schematic repository on GitHub, at the commit this page was made from: the board is pcb_of_powerschematic.kicad_pcb and its schematic pcb_of_powerschematic.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Pcb of powerschematic design in my own project?
Its repository states no licence, so its author keeps all rights: ask ahmetsellm before reusing the design.