Neoprogrammer 21019 Ch341a May 2026

Neoprogrammer (also known as NeoProgrammer) is an open-source/freeware project based on the older AsProgrammer. Version 21019 (often displayed as v2.2.0.10.19) is a specific, highly stable release that has been widely adopted by the repair community.

You can directly edit hex values in the buffer. This is useful for modifying MAC addresses, serial numbers, or unlock codes stored in EEPROM. Simply click on a hex byte and type a new value, then write the buffer back to the chip.

Warning: Do not download NeoProgrammer from random EXE files on forums. Always use verified sources like GitHub or trusted hardware communities (e.g., Badcaps.net, Win-Raid). neoprogrammer 21019 ch341a

NeoProgrammer is a community-developed, feature-rich software for the CH341A hardware. Version 2.1.0.19 is one of the most stable and popular releases, offering:

Even with great software, problems occur. Here’s how to fix them. This is useful for modifying MAC addresses, serial

NeoProgrammer is a fork (an updated version) of the famous AsProgrammer software. Version 2.1.0.19 represents a mature, stable release that supports hundreds of additional chips compared to the original CH341A programmer software.

Unlike the cheap Chinese software that comes on a mini-CD (or a broken download link), NeoProgrammer offers: Always use verified sources like GitHub or trusted

Many car radios (VW, Renault, Ford) store the security code in a 24Cxx EEPROM. Use a SOP8 clip, read the 24Cxx chip with NeoProgrammer, find the line containing the code, zero it out, and rewrite. Instant radio unlock.

Under the Tools menu, Compare Buffer with File lets you check if a BIOS dump matches a downloaded file without writing to the chip.