With the Visual Micro plug-in for Atmel Studio IDE It explains how to make both the Arduino and Atmel Studio Native commands to work using the same usb driver Sorry about the formatting of the following, it is my fault and caused by conversion from ms word. inf created in step 6) via device manager It is probably also possible to switch back to arduino/avrdude mode by reapplying the.

If required you can run the Atmel Studio 6.1 Jungo driver install again and revert to Atmel Studio drivers with the avrispmkII. (If you loose the file in the future you can simply repeat the task)ĥ) When prompted click OK to install the driver. This document explains how to switch the driver to one that the Arduino tool chain will work with.ġ) We downloaded the latest release (1.2.6.0) of libusb-win32 from but the latest release can be found here Ģ) Unpack the libusb zip and run the inf-wizard.exe in the bin folder AS ADMINISTRATORģ) Select the avrisp mkII from the list that appears when you run inf-wizard then click next through the wizard.Ĥ) When prompted select a place on your pc to save the. The error will often be:- avrdude: usbdev_open()Ītmel changed the usb driver they install to Jungo which doesn't work with the Arduino Ide and therfore with Visual Micro

The problem usually happens after installing Atmel Studio. This document solves usb driver errors for Arduino programmers.

Manual install atmel studio usb drivers