Open-source developers frequently clean up old release pages to avoid user confusion. If you download the latest version (e.g., 23004 or 24010 ), you might find that your CH341A programmer no longer works because the developer assumed a specific hardware revision. Consequently, users cling to known-good builds like 21013 .

While designed for the CH341A , it also supports programmers like UsbAsp, Arduino, and Bus Pirate.

Here’s a direct, safe way to get that specific version:

Click the Programm IC (downward arrow) button to start the flashing process. ⚠️ Important Safety Tips

AsProgrammer 2.1.0.13: The Essential Tool for CH341A BIOS Flashing

Allows you to view and modify binary data (like adding a MAC address to router firmware) before flashing.

asprogrammer 21013 2021 download asprogrammer 21013 2021 download
asprogrammer 21013 2021 download

Landscape Game

Please Rotate Your Device Play Better