Many common black-PCB CH341A USB modules mistakenly deliver 5V logic lines across data channels, even when set to 3.3V power rails. If you are working on sensitive low-power SPI chips (like 1.8V or 3.3V Winbond modules), consider looking at hardware modification tutorials on forums like 4PDA to step down the data logic safely to 3.3V.
Verification: Ensure the zip package includes a folder structure containing both the .exe and the pinout diagram images. Key Features and "Work" Functionality asprogrammer 21013 download 39link39 work
: Features a one-click automated sequence that handles unlocking, erasing, writing, and verifying the chip in one go. Many common black-PCB CH341A USB modules mistakenly deliver