Zadig + USBasp: Fix “Could Not Find USB Device” on Windows 11
Your USBasp shows up as an Unknown Device and avrdude can't find vid=0x16c0 pid=0x5dc. Zadig installs the missing libusb driver in a minute — download, exact steps and how to undo it.
CH340 Driver: Download & Fix for Windows 11
The official WCH CH340/CH341 driver, hosted — plus the install order and the fixes for the classic Arduino no-COM-port problem.
CP2102 Driver: Download & Install (CP210x, Windows 11)
The Silicon Labs CP210x universal driver, hosted — with the manual install route Windows 11 needs and the ESP-board troubleshooting.