

Comparator
KiCad PCB designs
- Size
- 17.4 × 13.8 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 15
- Nets
- 7
- Pads
- 32
- Tracks, vias
- 32, 6
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 21 Mar 2026
- Updated
- 26 Apr 2026
Overview
Comparator is an open-source printed circuit board by dsaketh, from the dsaketh/kicad-projects repository on GitHub. It is a 2-layer board of 17.4 × 13.8 mm with 15 parts on 7 nets, routed with 32 tracks and 6 vias.
It is built around the LM358. Its parts include 5 resistors, 2 capacitors, 2 connectors, 1 IC and 1 diode.
Main components
1README
README.mdKiCad PCB Projects
This repository contains my PCB design projects created using KiCad.
Parts
15| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | MountingHole_Pad | MountingHole:MountingHole_2.5mm_Pad | H1, H2, H3, H4 |
| 3 | 10K | Resistor_SMD:R_0603_1608Metric | R2, R3, R4 |
| 2 | 0.1uF | Capacitor_SMD:C_0603_1608Metric | C1, C3 |
| 2 | Conn_01x02 | Connector_PinHeader_2.00mm:PinHeader_2x01_P2.00mm_Vertical | J1, J2 |
| 1 | 1K | Resistor_SMD:R_0603_1608Metric | R5 |
| 1 | LDR07 | OptoDevice:R_LDR_5.1x4.3mm_P3.4mm_Vertical | R1 |
| 1 | LM358 | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U1 |
| 1 | RED LED | LED_THT:LED_D3.0mm | D1 |
Questions
How big is the Comparator PCB?
It measures 17.4 × 13.8 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Comparator use?
15 parts, built around the LM358. 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 Comparator KiCad files?
From the dsaketh/kicad-projects repository on GitHub, at the commit this page was made from: the board is Comparator/Comparator.kicad_pcb and its schematic 555_Timer_LED_Blinker/555_Timer_LED_Blinker.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Comparator design in my own project?
Its repository states no licence, so its author keeps all rights: ask dsaketh before reusing the design.
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