HardLabs

Hunter Cat NFC

ElectronicCats·HunterCatNFC·Hardware/HunterCat-NFC/HunterCat-NFC.kicad_pcb

Hunter Cat NFC PCB layout, top view — open source RP2040/RP2350 board by ElectronicCats

About the Hunter Cat NFC PCB

Hunter Cat NFC is an open source RP2040/RP2350 PCB design by ElectronicCats, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 80.7 × 33.5 mm, with 79 components from 40 distinct parts.

Its main chip is the RP2040, from the RP2040/RP2350 family. Other key parts include the PN7150B0HN_C11002E-PN7150B0HN_C11002E, MCP73831-3-OT, AP2112K-3.3 and W25Q16JV. By type, the board carries 32 capacitors, 22 resistors, 5 ICs, 5 switches, 5 diodes and 3 inductors.

From the project

The Hunter Cat NFC is the latest security tool for contactless (Near Field Communication) used in access control, identification and bank cards. Specially created to identify NFC readers and sniffing tools, with this tool you can audit, read or emulate cards of different types.

The Hunter Cat NFC is a security tool for contactless (Near Field Communication) used in access control, identification, and bank cards. It is specially created to identify NFC readers and sniffing tools. With this tool, you can audit, read or emulate cards of different types.

The device has preloaded reader detection firmware that lets the user know when is near an NFC reader attempting to read his card.

Hunter Cat NFC, from the project README
From the project README

Main components on the Hunter Cat NFC

RP2040PN7150B0HN_C11002E-PN7150B0HN_C11002EMCP73831-3-OTAP2112K-3.3W25Q16JV

Hunter Cat NFC bill of materials (BOM)

79 components, 40 distinct parts.

QtyPartRefs
1
RP2040
U1
1
PN7150B0HN_C11002E-PN7150B0HN_C11002E
U2
1
MCP73831-3-OT
U3
1
AP2112K-3.3
U4
1
W25Q16JV
U5
1
DMG3415U-7
Q1
1
27.12Mhz
Y1
1
12Mhz
Y2
1
Battery
J1
1
USB_C_Plug_USB2.0
P1
1
0.5A
F1
1
BOOT
JP1
1
RESET
SW1
1
GPIO
SW2
1
GPIO1
SW3
1
GPIO2
SW4
1
ON
SW5
4
LED
D1, D2, D3, D4
1
MBR120
D5
2
160nH
L1, L2
Show 20 more
QtyPartRefs
1
L
L3
2
27pF
C1, C15
5
1uF
C2, C5, C6, C8, C22
2
10pF
C3, C4
2
100nF
C7, C9
2
1nF/16V
C10, C11
2
680pF
C12, C13
2
100pF/50V
C14, C18
3
10uF
C16, C23, C24
10
0.1uF
C17, C21, C25, C26, C27, C28, C29, C30 +2
2
120pF
C19, C20
3
10K
R1, R2, R24
5
100K
R3, R5, R6, R19, R20
3
330
R4, R17, R18
2
1K
R7, R12
2
5k1
R8, R9
1
4.7K
R10
2
2k2
R11, R13
2
3.24R
R14, R15
2
27
R21, R22

Hunter Cat NFC design files

The KiCad project lives in the ElectronicCats/HunterCatNFC repository on GitHub; these links point at the commit this page was built from.

Hunter Cat NFC: common questions

What microcontroller does the Hunter Cat NFC use?

The Hunter Cat NFC is built around the RP2040, from the RP2040/RP2350 family.

How big is the Hunter Cat NFC PCB?

The Hunter Cat NFC measures 80.7 × 33.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Hunter Cat NFC?

79 components, from 40 distinct parts. The full bill of materials is listed on this page.

Where can I download the Hunter Cat NFC design files?

From the ElectronicCats/HunterCatNFC repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Hunter Cat NFC design in my own project?

Yes, under the terms of its GPL-3.0 license, which ElectronicCats chose for the repository.

Can I test firmware for the Hunter Cat NFC without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug RP2040/RP2350 firmware against it before you order a PCB.

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