4 layers58 × 95 mm NFC, the printed circuit board in 3D

NFC

Multi-NFC

Size: 58 × 95 mm
Copper layers: 4
Thickness: 1.6 mm
Parts: 57
Nets: 66
Pads: 199
Tracks, vias: 605, 65
Pours: 2
Routed: Yes
KiCad: KiCad 9.0 (file 20241229)
Created: 5 Mar 2026
Updated: 2 Jun 2026

Overview

NFC is an open-source printed circuit board by PrinceYadav78, from the PrinceYadav78/Multi-NFC repository on GitHub, published under the MIT licence. It is a 4-layer board of 58 × 95 mm with 57 parts on 66 nets, routed with 605 tracks and 65 vias.

It is built around the NRF52840-QFAA-F-R7, MCP73831T-2ATI/OT-HXY and ABM11W-32.0000MHZ-8-B1U-T3, with the ABS06-32.768KHZ-9-T and SKRPACE010 among its other parts. Its parts include 23 capacitors, 8 resistors, 4 ICs, 4 connectors and 2 crystals. It belongs with the radio and wireless boards and the nRF52 and nRF5x boards of this library.

Main components

README

README.md

Smart NFC E-Ink Card

What this is

this is a small custom pcb device i build which have a nfc antenna, e-ink display, flash storage and a microcontroller all together on one board. the idea is that the device can talk with phone using nfc and also show some info on the e-ink screen. the screen is very low power so it can keep the image even when power is not used.

the board also have a small battery and charging circuit so it can run portable. the main chip used here is the nrf52840 which handle the nfc and other logic of the board. there is also external flash memory to store some data and firmware stuff.

Why i build this

i mostly build this project to learn how full hardware design works from start to end. like making schematic, pcb layout, antenna design and power system. before this i never made a board with nfc and battery and display together so i wanted to try it.

also i thought it would be cool to have something like a programmable nfc card which can change what it shows on the display. it could be used for things like smart tags, id cards, small info display or just experimenting with embedded hardware.

so the main goal was learning and building something fun at same time :)

Hardware Visualization

Full Schematic

PCB Layout

3D Render

BOM

Bill of Materials (BOM)

PCB
Part	Link	Qty	Cost per Unit	Footprint	JLCPCB Part #	Total Cost
Material	https://jlcpcb.com/	1	3.42			3.42
Body Outline Tolerance	https://jlcpcb.com/	1	8.42			8.42
4-Wire Kelvin Test	https://jlcpcb.com/	1	16.73			16.73
Min via Hole size/diameter	https://jlcpcb.com/	1	34.22			34.22
PCB	https://jlcpcb.com/	1	7			7
				TOTAL		69.79

PCBA
Part	Link	Qty	Cost per Unit	Footprint	JLCPCB Part #	Total Cost
Setup Fee	https://jlcpcb.com/	1	50.74			50.74
Stencil	https://jlcpcb.com/	1	16.3			16.3
Hand Soldering Labor Fee	https://jlcpcb.com/	1	3.55			3.55
Manual Assembly	https://jlcpcb.com/	1	0.65			0.65
PCB Assembly Fixture	https://jlcpcb.com/	1	16.3			16.3
Packing Fee	https://jlcpcb.com/	1	0.49			0.49
Feeders Loading Fee	https://jlcpcb.com/	1	27.36			27.36
SMT Assembly	https://jlcpcb.com/	1	1.07			1.07
				TOTAL		116.46

Components
Part	Link	Qty	Cost per Unit	Footprint	JLCPCB Part #	Total Cost
ABM11W-32.0000MHZ-8-B1U-T3	https://jlcpcb.com/partdetail/2077318-ABM11W_32_0000MHZ_8_B1UT3/C1985774	2	0.86	ABM11W300000MHZ4B1UT3	C1985774	1.7234
SKRPACE010	https://jlcpcb.com/partdetail/ALPSALPINE-SKRPACE010/C139797	6	0.07	SMT_4.2X3.2_	C139797	0.4032
USB4085-GF-A_REVA4	https://jlcpcb.com/partdetail/8061907-USB4085_GFA/C7095263	2	1.39	GCT_USB4085-GF-A_REVA4	C7095263	2.786
150pF	https://jlcpcb.com/partdetail/1879-0402B151K500NT/C1527	20	0.0012	402	C1527	0.024
10uF	https://jlcpcb.com/partdetail/16204-CL05A106MQ5NUNC/C15525	20	0.0055	402	C15525	0.11
ABS06-32.768KHZ-9-T	https://jlcpcb.com/partdetail/AbraconLLC-ABS06_32_768KHZ_9T/C1985410	2	1.9242	ABS06	C1985410	3.8484
12pF	https://jlcpcb.com/partdetail/1899-0402CG120J500NT/C1547	20	0.0011	402	C1547	0.022
1uF	https://jlcpcb.com/partdetail/53938-CL05A105KA5NQNC/C52923	20	0.0041	402	C52923	0.082
1k	https://jlcpcb.com/partdetail/12256-0402WGF1001TCE/C11702	20	0.0007	402	C11702	0.014
MCP73831T-2ATI_OT	https://jlcpcb.com/partdetail/MicrochipTech-MCP73831T_2ATIOT/C14879	2	0.9961	SOT95P270X145-5N	C14879	1.9922
5.1k	https://jlcpcb.com/partdetail/26648-0402WGF5101TCE/C25905	40	0.0008	402	C25905	0.016
nRF52840-QFAA-F-R7	https://jlcpcb.com/partdetail/NordicSemicon-NRF52840_QFAA_FR7/C3606653	2	5.1481	QFN40P600X600X95-49N-D	C3606653	10.2962
0.1uF	https://jlcpcb.com/partdetail/1877-CL05B104KO5NNNC/C1525	30	0.0013	402	C1525	0.039
W25Q16JVUXIQ_TR	https://jlcpcb.com/partdetail/WinbondElec-W25Q16JVUXIQ/C2843335	2	1.3977	SON50P300X200X60-9N	C2843335	2.7954
LED	https://jlcpcb.com/partdetail/Hubei_KENTOElec-KT0603R/C2286	20	0.0064	603	C2286	0.128
10k	https://jlcpcb.com/partdetail/26487-0402WGF1002TCE/C25744	20	0.0008	402	C25744	0.016
TPS78833DBVR	https://jlcpcb.com/partdetail/TexasInstruments-TPS78833DBVR/C2869019	2	1.706	SOT95P280X145-5N	C2869019	3.412
2k	https://jlcpcb.com/partdetail/4516-0402WGF2001TCE/C4109	20	0.0008	402	C4109	0.016
4.7uF	https://jlcpcb.com/partdetail/24469-CL05A475MP5NRNC/C23733	20	0.005	402	C23733	0.1
Waveshare 2.9 inch e-Ink Paper Display Module with SPI Interface	https://robu.in/product/2-9-inch-e-ink-paper-display-module-with-spi-interface/	2	17.325			34.65
WLY551145 3.7V 250mAh 1S LiPo Battery – Micro Rechargeable Battery Pack for Wearables / Micro Drone / IoT	https://robu.in/product/250mah-pcm-protected-micro-li-po-battery/	2	2.222			4.444
				TOTAL		66.9178

Shipping
Part	Link	Qty	Cost per Unit	Footprint	JLCPCB Part #	Total Cost
Shipping	https://jlcpcb.com	1	14.21			14.21
				TOTAL		14.21

Category and platform

Radio and wireless nRF52 and nRF5x

Project files

Show this board on your page

https://pcbkit.io/boards/PrinceYadav78/Multi-NFC

The board's own page, for a message or a post.

Source

Repository: PrinceYadav78/Multi-NFC
Board file: KICAD/NFC.kicad_pcb
Commit: 13c0202
Licence: MIT

Parts

Qty	Value	Footprint	References
8	0.1uF	Capacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder	C4, C6, C7, C8, C9, C10, C16, C17
7	NetTie_2	Uncompressed:NetTie-2_SMD_Pad0.5mm	NT1, NT2, NT3, NT4, NT5, NT6, NT7
4	10k	Resistor_SMD:R_0402_1005Metric_Pad0.72x0.64mm_HandSolder	R5, R6, R7, R8
4	12pF	Capacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder	C11, C12, C13, C14
4	1uF	Capacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder	C2, C3, C21, C22
4	MountingHole	MountingHole:MountingHole_2.5mm	H1, H2, H3, H4
2	100nF	Capacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder	C23, C24
2	150pF	Capacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder	C20, C25
2	4.7uF	Capacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder	C1, C5
2	5.1k	Resistor_SMD:R_0402_1005Metric_Pad0.72x0.64mm_HandSolder	R1, R2
2	TestPoint	TestPoint:TestPoint_Pad_D1.0mm	TP1, TP2
1	10uF	Capacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder	C15
1	1k	Resistor_SMD:R_0402_1005Metric_Pad0.72x0.64mm_HandSolder	R4
1	2k	Resistor_SMD:R_0402_1005Metric_Pad0.72x0.64mm_HandSolder	R3
1	ABM11W-32.0000MHZ-8-B1U-T3	KiCad:ABM11W300000MHZ4B1UT3	Y1
1	ABS06-32.768KHZ-9-T	KiCad1:ABS06	Y2
1	Conn_01x02	Connector_PinHeader_1.27mm:PinHeader_1x02_P1.27mm_Vertical	J2
1	Conn_01x04	Connector_PinHeader_1.27mm:PinHeader_1x04_P1.27mm_Vertical	J3
1	Conn_01x09	Connector_PinHeader_1.27mm:PinHeader_1x09_P1.27mm_Vertical	J4
1	LED	LED_SMD:LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder	D1
1	MCP73831T-2ATI_OT	KiCad3:SOT95P270X145-5N	IC1
1	NFC	Uncompressed:Untitled	COIL
1	SKRPACE010	KiCad5:SMT_4.2X3.2_	S1
1	TPS78833DBVR	KiCad6:SOT95P280X145-5N	IC2
1	USB4085-GF-A_REVA4	USB4085:GCT_USB4085-GF-A_REVA4	J1
1	W25Q16JVUXIQ_TR	KiCad7:SON50P300X200X60-9N	IC4
1	nRF52840-QFAA-F-R7	KiCad4:QFN40P600X600X95-49N-D	IC3

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Questions

How big is the NFC PCB?

It measures 58 × 95 mm and has 4 copper layers, 1.6 mm thick.

What parts does the NFC use?

57 parts, built around the NRF52840-QFAA-F-R7, MCP73831T-2ATI/OT-HXY, ABM11W-32.0000MHZ-8-B1U-T3 and ABS06-32.768KHZ-9-T. 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 NFC KiCad files?

From the PrinceYadav78/Multi-NFC repository on GitHub, at the commit this page was made from: the board is KICAD/NFC.kicad_pcb and its schematic KICAD/NFC.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the NFC 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).