Product Dossiers
Technical documentation and analysis of components, modules, and devices.
LAUNCH CNC-603A Control Board
AliExpress-sourced replacement control board for LAUNCH CNC-603A ultrasonic fuel injector cleaning and testing machine. Potentially useful for repairs, but authenticity and compatibility are major unknowns.
TZT PICKit Programmer Clone
Analysis of TZT-branded PICKit2/PICKit3/PICKit3.5 programmer clones from AliExpress. Functional for hobbyist PIC development at a fraction of the original price, but with device support limitations and potential reliability issues.
CH341A USB Programmer Kit
Analysis of generic CH341A-based USB programmer kits commonly sold on AliExpress. Functional for hobbyist BIOS recovery and chip programming, but with critical voltage issues that can damage 1.8V chips.
TP4056 LiPo Charger Module
Analysis of generic TP4056-based lithium battery charging modules. Functional for prototyping but with notable safety considerations for unattended or production use.
ESP32-WROOM-32
Evaluation of generic ESP32-WROOM-32 modules from various AliExpress sellers. Are they genuine Espressif chips or clones?
XL4015 Buck Converter Module
Analysis of cheap XL4015-based buck converter modules. Can they actually deliver 5A, and are they safe for your projects?
CH340G USB-Serial Adapter
Evaluation of CH340G-based USB-serial adapters. Driver compatibility, signal quality, and reliability assessment.