Chip Unlock Cases


Best Raspberry Pi Pico Projects for Creators
Dive into Raspberry Pi Pico projects! Explore hardware setups and creative ideas, from LED blinks to IoT wonders, perfect for makers and tech enthusiasts.


The Ultimate Guide to Aluminum PCBs
This *aluminum PCB guide* delves into design, manufacturing, and applications. Perfect for engineers, it combines technical insights with visuals of advanced PCBs and industrial setups, aiding understanding of their practical uses.


What is LDR? A Complete Guide to Light Dependent Resistors
The Light Dependent Resistor (LDR) is a light-sensitive variable resistor whose resistance changes with light intensity. This guide explains its working principle, key characteristics, applications in electronics, and how to use it in projects—ideal for hobbyists and engineers.


What Is CRC? The Ultimate Guide to Cyclic Redundancy Check
Cyclic Redundancy Check (CRC) is the backbone of data integrity, used everywhere from Ethernet networks to ZIP files. This guide demystifies CRC: how it works through polynomial division, its most common standards (CRC-8, CRC-16, CRC-32), and why it’s critical for detecting errors in transmission and storage.


The Ultimate Guide to PCB Conformal Coating
Struggling with PCB corrosion, cracks, or delamination? Learn to choose the right coatings (acrylic/silicone/parylene), follow IPC standards, and troubleshoot defects like bubbles. Optimize masking, curing, and rework for automotive, medical, and industrial PCBs—boost longevity & performance.


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.
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.