Category Archive : Hardware Hacking

Jun 27 2025

Part 4: Enabling JTAG in Firmware and Using It with OpenOCD


Author: Shafeeque Olassery Kunnikkal | Category: Hardware Hacking, IoT, JTAG, STM32, STM32F411, STM32F411CE, STM32F411CEU6, Tigard | Leave a Comment

Overview Once you’ve discovered your JTAG pins using JTAGenum, you might want to enable them in your own firmware, or use them with a tool like OpenOCD for real debugging. This part shows how to: Why Enable JTAG in Firmware? On many STM32 boards, including the Black Pill: When is this needed? Enabling JTAG Using…..

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Jun 1 2025

Part 1: Discovering JTAG on the Adafruit Black Pill — A Practical Guide for Beginners


Author: Shafeeque Olassery Kunnikkal | Category: Hardware Hacking, IoT, STM32F411 | Leave a Comment

Introduction This hands-on guide is designed for learners who want to understand how to find JTAG debug pins on a microcontroller board like the Adafruit Black Pill (STM32F411CE). No prior knowledge of JTAG or embedded debugging is assumed — you’ll learn using a multimeter, Arduino, and free tools. The Adafruit Black Pill (STM32F411CE) is a…..

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