Open a command prompt and run:
ejtag-tiny-scan
You should see output similar to:
Found 1 EJTag Tiny probe:
Probe 0: S/N ET-2401A, FW v2.3, JTAG max freq: 25MHz
Security researchers use EJTAG Tiny Tools to dump the entire flash contents of a locked device, revealing encrypted keys, proprietary algorithms, or configuration data that the running firmware would never expose. ejtag tiny tools software
| Feature | EJTag Tiny Tools | Segger J-Link | ST-Link | OpenOCD | | :--- | :--- | :--- | :--- | :--- | | Price | Free / Open Source | $100 - $1000+ | Free (with STM32 boards) | Free | | Multi-Arch Support | Excellent (ARM, MIPS, RISC-V) | Excellent (primarily ARM) | Poor (STM32 only) | Good | | Ease of Use | Moderate (CLI-focused) | Excellent (GUI + CLI) | Good (GUI via CubeProgrammer) | Steep learning curve | | Flash Speed (Avg) | ~150 KB/s | ~250 KB/s | ~50 KB/s | ~100 KB/s | | Scripting | Built-in CLI | Via Python API | Limited | Yes (TCL scripts) | | Real-time tracing | Basic (SWO) | Advanced (ETB, ETM) | Basic | Basic | Open a command prompt and run: ejtag-tiny-scan