Inductive analog switch

eliassjogreen·inductive-analog-switch·example/example.kicad_pcb

Inductive analog switch PCB layout, top view — open source board by eliassjogreen

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About the Inductive analog switch PCB

Inductive analog switch is an open source PCB design by eliassjogreen, published on GitHub under the CC-BY-SA-4.0 license. It is a 2-layer board measuring 43.2 × 35.6 mm, with 12 components from 6 distinct parts.

Other key parts include the LDC1314. By type, the board carries 6 capacitors, 1 IC and 1 connector.

It belongs with the keyboards designs in this gallery.

From the project

⚡KiCad library containing footprints and symbols for inductive analog keyboard switches

This folder contains all of the relevant parts for an example PCB using the inductive analog keyswitch footprints and symbols along with the LDC1314 or LDC1614 inductance to digital converter. The example is a simple breakout board for four switches and a SMD mounted LDC1314 IC.

To generate gerbers for fabrication you will have to run one or all of the makefile commands:

Inductive analog switch, from the project README — From the project README

Main components on the Inductive analog switch

Inductive analog switch bill of materials (BOM)

12 components, 6 distinct parts.

Qty	Part	Footprint	Refs
1	LDC1314	WQFN-16-1EP_4x4mm_P0.5mm_EP2.6x2.6mm_ThermalVias	U1
1	Conn_01x07_Male	PinHeader_1x07_P2.54mm_Vertical	J1
4	SW_L_Push	SW_L_Inductive_Cherry_MX_Alps_Matias_Plate	SW_L1, SW_L2, SW_L3, SW_L4
4	2000 pF	C_0805_2012Metric_Pad1.18x1.45mm_HandSolder	C1, C2, C3, C4
1	1uF	C_0805_2012Metric_Pad1.18x1.45mm_HandSolder	C5
1	100nF	C_0805_2012Metric_Pad1.18x1.45mm_HandSolder	C6

Inductive analog switch design files

The KiCad project lives in the eliassjogreen/inductive-analog-switch repository on GitHub; these links point at the commit this page was built from.

Layoutexample/example.kicad_pcb
Schematicexample/example.kicad_sch

Inductive analog switch: common questions

How big is the Inductive analog switch PCB?

The Inductive analog switch measures 43.2 × 35.6 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Inductive analog switch?

12 components, from 6 distinct parts. The full bill of materials is listed on this page.

Where can I download the Inductive analog switch design files?

From the eliassjogreen/inductive-analog-switch repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Inductive analog switch design in my own project?

Yes, under the terms of its CC-BY-SA-4.0 license, which eliassjogreen chose for the repository.

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