Neoprogrammer 21 019 Ch341a Install Site
Do not use the driver from the mini-CD. They are often unsigned or corrupted.
File size note: NeoProgrammer is ~20MB. It does not need "installation" – it runs directly. neoprogrammer 21 019 ch341a install
Symptoms: The program crashes mid-write with a memory error. Fix: Method B (Zadig – for WinUSB / LibUSB) :
Before opening the software, you need the correct drivers. Windows often tries to install a generic USB-Serial driver that won't work with the programmer. Do not use the driver from the mini-CD
Symptoms: The bottom status bar says "Not connected" or "No device". Fix:
