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2 layers21.8 × 21.8 mmSound Light Switch, the printed circuit board in 3D

Sound Light Switch

Ashwin-tech22/pcb-projects

I have made PCB design using kicad version 9

Size
21.8 × 21.8 mm
Copper layers
2
Thickness
1.6 mm
Parts
9
Nets
12
Pads
27
Tracks, vias
55, 0
Pours
1
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
27 Oct 2026
Updated
27 Oct 2026

Overview

Sound Light Switch is an open-source printed circuit board by Ashwin-tech22, from the Ashwin-tech22/pcb-projects repository on GitHub. It is a 2-layer board of 21.8 × 21.8 mm with 9 parts on 12 nets, routed with 55 tracks and 0 vias.

It is built around the ATTINY85V-10PU. Its parts include 4 resistors, 1 IC, 1 diode and 1 switch. It belongs with the audio and music boards and the AVR (ATmega, ATtiny) boards of this library.

Main components

1

README

README.md

pcb-projects

I have made PCB design using kicad version 9

Parts

9
QtyValueFootprintReferences
110kResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P15.24mm_HorizontalR1
13.3V CellBattery:BatteryHolder_ComfortableElectronic_CH273-2450_1x2450BT1
1470RResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P15.24mm_HorizontalR4
15.6kResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P15.24mm_HorizontalR3
15mm LDROptoDevice:R_LDR_5.1x4.3mm_P3.4mm_VerticalR2
15mm Yellow LEDLED_THT:LED_D5.0mmD1
1ATtiny85V-10PPackage_DIP:DIP-8_W7.62mmU1
1Microphone_CondenserConnector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_VerticalMK1
1SW_SPDTButton_Switch_THT:SW_Slide_SPDT_Angled_CK_OS102011MA1QSW1

Questions

How big is the Sound Light Switch PCB?

It measures 21.8 × 21.8 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Sound Light Switch use?

9 parts, built around the ATTINY85V-10PU. 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 Sound Light Switch KiCad files?

From the Ashwin-tech22/pcb-projects repository on GitHub, at the commit this page was made from: the board is Sound-Light-Switch.kicad_pcb and its schematic Sound-Light-Switch.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Sound Light Switch design in my own project?

Its repository states no licence, so its author keeps all rights: ask Ashwin-tech22 before reusing the design.

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