Neoprogrammer 2.1 0.19 Ch341a Free -

NeoProgrammer 2.1.0.19 a lightweight Windows utility designed for use with the CH341A USB programmer to read, write, and erase serial memory chips . It is a modernized fork of the open-source AsProgrammer

| Software | CH341A Support | Chip Database | GUI | Price | |----------|----------------|---------------|-----|-------| | CH341A Programmer 1.34 | Basic | ~150 chips | Outdated | Free | | AsProgrammer 1.4.1 | Good | ~400 chips | Functional | Free | | | Excellent | 1200+ chips | Modern, tabbed | Free | | FlashCat (commercial) | No | ~300 chips | Proprietary | $50+ |

Troubleshooting: If detection fails, try lowering the SPI speed ( Settings → SPI Clock → 1 MHz ). Also check for poor contact or bent pins.