If you have the hardware and the software, here is how to get them talking to each other.
The software is tailored to work seamlessly with the AsProgrammer Nano hardware (a specific PCB design released around 2020-2021) but is backward compatible with the ubiquitous CH341A "Black" and "Green" programmers found on eBay and AliExpress for roughly $10–$15. asprogrammer 21013 download 39link39 work
ASProgrammer is a lightweight, powerful flashing utility designed primarily for the CH341A series of programmers (the ubiquitous black and blue USB dongles). While newer versions exist, version 2.1.0.13 is widely considered the "Goldilocks" release—stable, feature-rich, and compatible with a broader range of SPI flash chips than later updates. If you have the hardware and the software,