2 layers
Nrf bga
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12 parts14kMIT
2 layers25.4 × 70.4 mm
Tpmsniffer
stacksmashing/pico-tpmsniffer696A simple, very experimental TPM sniffer for LPC bus
- Size
- 25.4 × 70.4 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 12
- Nets
- 39
- Pads
- 116
- Tracks, vias
- 49, 4
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 3 Feb 2024
- Updated
- 5 Apr 2024
Overview
Tpmsniffer is an open-source printed circuit board by stacksmashing, from the stacksmashing/pico-tpmsniffer repository on GitHub. It is a 2-layer board of 25.4 × 70.4 mm with 12 parts on 39 nets, routed with 49 tracks and 4 vias.
Its parts include 1 IC and 1 connector. It belongs with the RP2040 boards of this library.
README
Readme.mdPico TPMSniffer
This is experimental software and hardware. It's not ready to use for professional or production use.
The board (in /hardware/) is compatible with the "Debug Card" connector found on some Lenovo laptops. The firmware currently only supports LPC, not SPI TPMs.
Building
export PICO_SDK_PATH=path to your Pico-SDK
mkdir build
cd build
cmake ..
makeHardware
The board files are in hardware/, the Pogo pins used are of the type: P50-B1-16mm
Usage
Just connect to the serial port, boot your machine, and push against the card connector!
Parts
12| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | GND | A1_TPM_Lib:pogo-p50-b1 | TP8, TP10 |
| 1 | 3.3V for check | A1_TPM_Lib:pogo-p50-b1 | TP1 |
| 1 | Conn_01x06_Pin | Connector_PinSocket_2.54mm:PinSocket_1x06_P2.54mm_Vertical | J1 |
| 1 | LADD0 | A1_TPM_Lib:pogo-p50-b1 | TP2 |
| 1 | LADD1 | A1_TPM_Lib:pogo-p50-b1 | TP3 |
| 1 | LADD2 | A1_TPM_Lib:pogo-p50-b1 | TP4 |
| 1 | LADD3 | A1_TPM_Lib:pogo-p50-b1 | TP5 |
| 1 | LFRAME | A1_TPM_Lib:pogo-p50-b1 | TP6 |
| 1 | Pico | MCU_RaspberryPi_and_Boards:RPi_Pico_SMD_TH | U1 |
| 1 | Unknown | A1_TPM_Lib:pogo-p50-b1 | TP9 |
| 1 | Unused (RST) | A1_TPM_Lib:pogo-p50-b1 | TP7 |
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Questions
How big is the Tpmsniffer PCB?
It measures 25.4 × 70.4 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Tpmsniffer use?
12 parts. 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 Tpmsniffer KiCad files?
From the stacksmashing/pico-tpmsniffer repository on GitHub, at the commit this page was made from: the board is hardware/tpmsniffer.kicad_pcb and its schematic hardware/tpmsniffer.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Tpmsniffer design in my own project?
Its repository states no licence, so its author keeps all rights: ask stacksmashing before reusing the design.