CH341A with a yellow triangle?Drivers folder from step 2B.USB-SERIAL CH340 (note the zero), you have a counterfeit/clone. You need the CH341SER_OLDER driver, available on the official WCH website.Before the software can communicate with your hardware, you must install the WCH CH341 drivers. Open the extracted NeoProgrammer folder.
CH341A with a yellow triangle?Drivers folder from step 2B.USB-SERIAL CH340 (note the zero), you have a counterfeit/clone. You need the CH341SER_OLDER driver, available on the official WCH website.Before the software can communicate with your hardware, you must install the WCH CH341 drivers. Open the extracted NeoProgrammer folder.