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2 layers70 × 36.5 mmEmf reader, the printed circuit board in 3D

I am making an EMF Reader just like the one in phasmophobia game!

Size
70 × 36.5 mm
Copper layers
2
Thickness
1.6 mm
Parts
7
Nets
35
Pads
55
Tracks, vias
93, 7
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
4 Mar 2026
Updated
4 Mar 2026

Overview

Emf reader is an open-source printed circuit board by bhatrichit10-ux, from the bhatrichit10-ux/emf-reader repository on GitHub, published under the MIT licence. It is a 2-layer board of 70 × 36.5 mm with 7 parts on 35 nets, routed with 93 tracks and 7 vias.

It is built around the SK6812MINI-E. Its parts include 5 diodes and 1 connector. It belongs with the AVR (ATmega, ATtiny) boards of this library.

Main components

1

README

README.md

Richit's EMF Reader

This is a basic project which is an EMF Reader like the one in Phasmophobia game!

Images

Schematics

Magnometer:
Image
Neopixels :
alt text
Microcontroller:
alt text

PCB

2D View:
alt text

3D View:
alt text

CAD

alt text alt text

BOM

alt text

Parts

7
QtyValueFootprintReferences
5SK6812MINI-EPCM_marbastlib-various:LED_6028RLED1, LED2, LED3, LED4, LED5
15-146280-55-146280-5:TE_5-146280-5J1
1Arduino_Nano_EveryModule:Arduino_NanoA1

Questions

How big is the Emf reader PCB?

It measures 70 × 36.5 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Emf reader use?

7 parts, built around the SK6812MINI-E. 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 Emf reader KiCad files?

From the bhatrichit10-ux/emf-reader repository on GitHub, at the commit this page was made from: the board is PCB/PCB.kicad_pcb and its schematic PCB/PCB.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Emf reader 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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