2 layers86.6 × 54.7 mm
Shawn PCB Business card
shawnalexsony/Business_Card_PCB
A personal Business Card designed as a PCB. Supports NFC to share data wirelessly on a tap.
28 parts146GPL-3.0
2 layers86.6 × 54.7 mm
Masters and bs
CalebJM04/Business-CardCustom PCB business card
- Size
- 86.6 × 54.7 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 24
- Nets
- 12
- Pads
- 53
- Tracks, vias
- 1,582, 18
- Pours
- 3
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 9 Sep 2025
- Updated
- 3 Oct 2025
Overview
Masters and bs is an open-source printed circuit board by CalebJM04, from the CalebJM04/Business-Card repository on GitHub. It is a 2-layer board of 86.6 × 54.7 mm with 24 parts on 12 nets, routed with 1,582 tracks and 18 vias.
It is built around the NT3H1101W0FHKH. Its parts include 6 resistors, 4 diodes, 1 capacitor and 1 IC.
Main components
1README
Business_Card_PCB-main/README.mdBusiness Card PCB
A personal Business Card designed as a PCB. It contains an integrated NFC tag to share contact information wirelessly, and uses energy harvesting from NFC field to light up the LED circuitry!!
The heart of this PCB is the NFC controller IC, the NT3H1101 from NXP Semiconductors.
NFC (Near Field Communication) is a short-range radio technology that enables communication between devices that are held in close proximity (< 10 cm). NFC systems are based on traditional High Frequency (HF) RFID, operating at 13.56 MHz
You can store your contact information, link to your portfolio, social media, and so on, the choice is Yours!!
The form factor is maintained as a standard credit/debit card, so you can carry it around normally in your wallet.
The Schematics and PCB design is done with KiCAD, the Vector graphics is done with Inkscape.
I used the "Bitmap to Component Convertor" tool built in KiCAD to import my custom font text, Logo, QR code, etc. I imported them as Soldermask and Copper layer so that they'll be visible with nice HASL/ENIG finish. My suggestion would be to minimize the use of silkscreen, as the silkscreen print might not be of good quality for complex graphics.
The NFC tag programming was done with Tagwriter app from NXP. This app has multiple options to write Website Links, Phone number, Email, etc into the NTAG IC which you can customize as per your requirement.
While doing the PCB layout, please make sure you import the NFC antenna correctly. NXP semiconductors have a detailed guide on different types of NFC antennas and their layout template. The rest of the circuit can be done as per your design.
Note : Please make sure there is no Copper under the Antenna region, Best option is to define a custom keepout area so that you won't mess up the Antenna performance.
Feel free to use this as a reference and design your own Business Card PCBs!! Good Luck!! :)
Parts
24| Qty | Value | Footprint | References |
|---|---|---|---|
| 9 | TestPoint | TestPoint:TestPoint_Pad_D1.0mm | TP1, TP1, TP2, TP2, TP3, TP4, TP4, TP5, TP5 |
| 4 | 220E | Resistor_SMD:R_0402_1005Metric | R3, R4, R5, R6 |
| 4 | LED | LED_SMD:LED_0402_1005Metric | D1, D2, D3, D4 |
| 2 | 0E | Resistor_SMD:R_0402_1005Metric | R1, R2 |
| 1 | 220nf | Capacitor_SMD:C_0402_1005Metric | C1 |
| 1 | LOGO | LOGO | G*** |
| 1 | LOGO | qr:qrcodefoot | G*** |
| 1 | NT3H1101W0FHKH | Shawn_PCB_Business_card:IC_NT3H1101W0FHKH | U1 |
The 23 most common of 24 parts.
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Questions
How big is the Masters and bs PCB?
It measures 86.6 × 54.7 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Masters and bs use?
24 parts, built around the NT3H1101W0FHKH. 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 Masters and bs KiCad files?
From the CalebJM04/Business-Card repository on GitHub, at the commit this page was made from: the board is Business_Card_PCB-main/Masters_and_bs.kicad_pcb and its schematic Business_Card_PCB-main/business.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Masters and bs design in my own project?
Its repository states no licence, so its author keeps all rights: ask CalebJM04 before reusing the design.