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Forge-Probe: Silicon Backdoor Debug Probe

jayis1·hacker-devices·forge-probe/kicad/forge-probe.kicad_pcb

Forge-Probe: Silicon Backdoor Debug Probe PCB layout, top view — open source STM32 board by jayis1

About the Forge-Probe: Silicon Backdoor Debug Probe PCB

Forge-Probe: Silicon Backdoor Debug Probe is an open source STM32 PCB design by jayis1, published on GitHub. It is a 4-layer board measuring 37 × 23 mm, with 11 components from 11 distinct parts.

Its main chip is the STM32H743IIK6, from the STM32 family. Other key parts include the iCE40UP5K, LTPS7A47_3V3, TXB0108 and INA219. By type, the board carries 5 ICs, 4 connectors, 1 crystal and 1 LED.

From the project

Full-cycle hardware designs for security research devices — each device is a subfolder with its own README, schematics, PCB layout, and software stack

1. Overview 2. What Makes Forge-Probe Unique 3. Attack Surface & Threat Model 4. Hardware Specifications 5. Architecture & Block Diagram 6. Firmware Details & Design Decisions 7. Protocol Support 8. Application/Software Interface 9. Use Cases for Red Teams & Security Researchers 10. Building & Flashing 11. Companion App 12. License & Credits

Forge-Probe is a pocket-sized, FPGA-accelerated JTAG/SWD/cJTAG debug interface platform purpose-built for hardware security research. It is a universal silicon backdoor probe — designed to discover, enumerate, and interact with embedded debug interfaces…

Main components on the Forge-Probe: Silicon Backdoor Debug Probe

STM32H743IIK6iCE40UP5KLTPS7A47_3V3TXB0108INA219

Forge-Probe: Silicon Backdoor Debug Probe bill of materials (BOM)

11 components, 11 distinct parts.

QtyPartRefs
1
STM32H743IIK6
U1
1
iCE40UP5K
U2
1
LTPS7A47_3V3
U3
1
TXB0108
U5
1
INA219
U6
1
25MHz
Y1
1
JTAG_20PIN
J1
1
SWD_10PIN
J2
1
USB-C
J3
1
MicroSD
J4
1
RGB
LED1

Forge-Probe: Silicon Backdoor Debug Probe design files

The KiCad project lives in the jayis1/hacker-devices repository on GitHub; these links point at the commit this page was built from.

Forge-Probe: Silicon Backdoor Debug Probe: common questions

What microcontroller does the Forge-Probe: Silicon Backdoor Debug Probe use?

The Forge-Probe: Silicon Backdoor Debug Probe is built around the STM32H743IIK6, from the STM32 family.

How big is the Forge-Probe: Silicon Backdoor Debug Probe PCB?

The Forge-Probe: Silicon Backdoor Debug Probe measures 37 × 23 mm and has 4 copper layers.

How many components are on the Forge-Probe: Silicon Backdoor Debug Probe?

11 components, from 11 distinct parts. The full bill of materials is listed on this page.

Where can I download the Forge-Probe: Silicon Backdoor Debug Probe design files?

From the jayis1/hacker-devices repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Forge-Probe: Silicon Backdoor Debug Probe design in my own project?

The repository has no license, so all rights stay with jayis1. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Forge-Probe: Silicon Backdoor Debug Probe without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug STM32 firmware against it before you order a PCB.

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