While version is very stable, the latest available version as of 2026 is 2.2.0.10 . Both versions are based on the open-source AsProgrammer project but were significantly refined by developer TTAV134 . Download Links :
If your isn't working, you will see errors like: neoprogrammer 21019 ch341a link
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Note: Original CH341A hardware lacks 3.3V/5V level shifting on data lines — external mods may be needed for 5V chips. While version is very stable, the latest available
: While SOP8 clips are popular, they often fail if the motherboard's power delivery interferes. If you get "IC not responding," you may need to desolder the chip and use the programmer's direct socket. Drivers First While version is very stable
It handles SPI NOR/NAND flash, I2C/SPI/MicroWire EEPROMs (24/25/93/95 series), and even specific MCU families like AVR (ATmega, ATtiny).