is a popular free software tool used for flashing and programming various EEPROM and Flash memory chips, commonly paired with the CH341A USB programmer. Version 2.1.0.19 is one of the more recent updates, known for supporting a wide range of chips (24, 25, 93, and 95 series) and having a cleaner user interface than the original Chinese software. Where to Download
: Click the "Detect" (magnifying glass) button. The software should identify the chip manufacturer and model. If it fails, double-check your connections or manually select the chip from the database.
: It is a "portable" tool, meaning it does not require a traditional installation process—you simply unpack the archive and run the executable.
Always run any downloaded .zip or .exe through a service like VirusTotal before opening it. Quick Setup Guide
The 21019 build gained cult status for three reasons:
