

Behind the Designing of the Line Sensing Array(L.S.A)
- Size
- 61 × 33.1 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 20
- Nets
- 18
- Pads
- 56
- Tracks, vias
- 132, 0
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 21 Jun 2021
- Updated
- 13 Jul 2021
Overview
LSA is an open-source printed circuit board by omsheladia, from the omsheladia/PCBDesign-LSA repository on GitHub, published under the MIT licence. It is a 2-layer board of 61 × 33.1 mm with 20 parts on 18 nets, routed with 132 tracks and 0 vias.
Its parts include 8 resistors, 5 connectors, 4 diodes and 1 IC.
README
README.mdPCBDesign-LSA
Behind the Designing of the Line Sensing Array(L.S.A)
Using kiCAD - Open Source Software
This repository contains hardware design files and datasheets for the Line Sensor Array. This project is still in development and is not ready for release yet. Coming soon with a finalised touch.
Features
- Detachable I.C. for easy project based modifications.
- Components can be proctured easily.
- Easy connections for output signals.
- Compact enough to fit into any project.
- Distinguished trace widths for Signal and Power Routes.
Uses
- Obstacle detection on a clear path.
- Line Following.
- Distinguish Colours on a path.
Components Used
| Component | Description |
|---|---|
| LM324 I.C. | Op-Amp I.C. |
| Photodiode | Absorb light |
| Resistor | Limit Current |
| LED | Emit Light |
| FRC Connector | Connect PCB with other circuits |
| 14 Pin I.C. Socket | Plug LM324 I.C. |
Tools:
To view/modify the files from this repository, install KiCAD from: https://kicad.org
Layout

Plots
Front View

Back View

Parts
20| Qty | Value | Footprint | References |
|---|---|---|---|
| 8 | R_US | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R1, R2, R3, R4, R5, R6, R7, R8 |
| 4 | D_Photo | OptoDevice:Osram_SFH205 | P1, P2, P3, P4 |
| 4 | LED | LED_THT:LED_D3.0mm_FlatTop | D1, D2, D3, D4 |
| 1 | Conn_02x05_Odd_Even | Connector_IDC:IDC-Header_2x05_P2.54mm_Vertical | J1 |
| 1 | KiCad-Logo2_5mm_SilkScreen | Symbol:KiCad-Logo2_5mm_SilkScreen | |
| 1 | LM324N_NOPB | Lm324:DIP825W47P254L1917H533Q14 | U1 |
The 19 most common of 20 parts.
Questions
How big is the LSA PCB?
It measures 61 × 33.1 mm and has 2 copper layers, 1.6 mm thick.
What parts does the LSA use?
20 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 LSA KiCad files?
From the omsheladia/PCBDesign-LSA repository on GitHub, at the commit this page was made from: the board is LSA/LSA.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the LSA design in my own project?
Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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