Neoprogrammer V22010 Extra Quality Guide

"Chip not responding" or "FF FF FF…" readout. Fix: Check your SOIC8 clip polarity. Pin 1 is usually marked with a dot or indentation. Also, power the target board separately—the CH341A cannot supply enough current for large chips.

If this is what you meant, please clarify: neoprogrammer v22010 extra quality

The Ultimate Guide to NeoProgrammer v2.2.0.10: High-Quality Firmware Recovery "Chip not responding" or "FF FF FF…" readout