Neoprogrammer 21019 Ch341a Link Jun 2026

Align Pin 1 of the chip (denoted by a small dot or indentation) with the correct orientation marked on the CH341A ZIF socket.

The programmer features a physical jumper (usually labeled or Prog / UART ).

： 下载最新的芯片库文件（通常更新日期为2024.7-2026.1不等），解压后直接覆盖软件根目录下的同名文件夹即可。

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Proper chip orientation is critical to avoid damaging your hardware.

注：部分软件下载链接可能会随时间变更，如遇到404错误，建议前往“恩山无线论坛”的“CH341A-NeoProgrammer”板块查找最新的更新帖。

Lift Pin 2 (VCC) of the CH341A chip or cut the 5V trace leading to the data line pull-up resistors, then run a jumper wire to the 3.3V regulator output (Pin 2 of the AMS1117 regulator). Align Pin 1 of the chip (denoted by

To use the Neoprogrammer 21019 safely:

Unsigned or mismatched parallel/serial drivers will cause device detection failures.

Before looking for links, it’s helpful to know what each part does. This link or copies made by others cannot be deleted

Click the icon (the yellow arrow pointing into the chip).

| Pros | Cons | |------|------| | Free and regularly updated | Hardware (CH341A) is slow compared to FT232H or TL866 | | Supports hundreds of chips | No native 1.8V support (needs adapter board) | | Works with cheap CH341A from AliExpress/eBay | Interface not beginner-friendly (lots of manual chip selection) | | Includes advanced features (auto-detect, batch) | Occasional detection errors on generic SPI flashes | | Good community support (forums, YouTube) | Some anti-virus false-positives on .exe (open-source nature) |

If you haven't already, install the CH341A driver ( CH341PAR or CH341SER ). Run the Executable: Run the NeoProgrammer.exe file.

Features a direct Drivers/CH341A subdirectory hosting universal kernel-level drivers that establish immediate plug-and-play status across Windows architectures.