Neoprogrammer 21019 Ch341a Hot [work] Site
The CH341A detects an abnormal current draw (which explains the heat) and cuts the data lines. Why is my CH341A or Chip getting hot? The most common culprit is the 3.3V vs. 5V issue .
There are three main culprits for excessive heat on this specific programmer: neoprogrammer 21019 ch341a hot
After writing, click Verify IC to compare the data on the chip with your original file. This ensures the flash was 100% successful and is arguably the most crucial step for reliability. The CH341A detects an abnormal current draw (which