: Click "Erase" to clear the chip, then "Open" to load your new firmware file.
⚠️ NeoProgrammer is a community fork of AsProgrammer – no official site exists. Recommended safe mirror: https://github.com/nanpuyue/neoprogrammer (check Releases for v2.1.0.19) neoprogrammer 21 019 ch341a full
NeoProgrammer 2.1.0.19: The Ultimate Guide to CH341A Full Functionality : Click "Erase" to clear the chip, then
Although these boards feature an AMS1117 regulator designed to output 3.3V, a design flaw routes 5V power to the data lines (SPI/I2C pins). Running 5V signals into 3.3V or 1.8V BIOS chips can permanently fry the silicon. neoprogrammer 21 019 ch341a full
Shorten your jumper wires, switch to a shorter USB extension cable, or desolder the chip. The hardware status register write-protection is active.