Chip Unlock Cases


Reverse Engineering the STM8S103K3T6C: A Case Study in Embedded System Security
This paper details a systematic reverse-engineering approach to the STM8S103K3T6C microcontroller, uncovering security vulnerabilities in its AES-128 implementation and bootloader authentication.


STM8S207C8 Microcontroller Reverse Engineering
Reverse-engineer AES-128 encrypted firmware for industrial control systems. Bypass security features in this 24MHz 8-bit MCU with 64KB Flash. Essential guide for embedded engineers.


STM8S105K6 Chip Decryption: Advanced Techniques for Legacy System Recovery
Develop low-cost IoT & consumer electronics with this 8-bit MCU (32KB Flash, 2KB RAM). Learn low-power optimization & interface programming. Ideal for hobbyists & prototyping.


Ground in Electrical Circuits
Struggling with ground loops? Unlock 6 grounding types + pro PCB tricks to avoid 90% errors! Free high-frequency guide + troubleshooting checklist inside—no experience needed!


STM32F429VGT6 Chip Decryption for Gas Analyzers
Is your gas analyzer’s STM32F429VGT6 chip locked due to encryption? Time – sensitive exclusive decryption service available! Our team provides a comprehensive solution to quickly retrieve your data and get your analyzer back on track.


How DeepSeek AI Is Rewiring the Future of PCB Manufacturing
Imagine building a city’s subway system blindfolded. That’s what designing a modern printed circuit board (PCB) often feels like—threading microscopic pathways for electricity while juggling heat, signal interference, and space


Creating a PCB Schematic: A Step-by-Step Guide
Design and Create Your PCB Schematic with Precision. Follow these steps to craft a professional PCB schematic: plan your layout, select components, design electronic circuits, and ensure signal integrity. Use software tools like Altium or Autodesk for precision and efficiency. Review your schematic for errors before moving to manufacturing.


PCB Surface Finishes
In the world of electronic device manufacturing, the Printed Circuit Board (PCB) plays a crucial role as the foundational component, providing electrical connections and mechanical support for electronic components. However,


Copper Black PCBs: Go-To Choice for Premium Electronics
In the realm of electronics manufacturing, printed circuit boards (PCBs) serve as an essential component, connecting electronic elements and enabling efficient functionality. Over the years, the aesthetics and performance characteristics


STM32N6: Pioneering Edge AI with Next-Gen MCU Performance and Built-in NPU
STMicroelectronics has unveiled a groundbreaking microcontroller series—STM32N6. Announced on December 10, 2024, this series introduces the first-ever STM32 MCU with a built-in Neural Processing Unit (NPU), specifically designed to empower
About Well Done
Well Done Technology was established in 2008, focus on PCB reverse engineering, PCB assembly, PCB design and manufacturing. Our technical team of more than 20 people includes senior engineers with rich experience.