The USB emulator only works temporarily to download code, but then disconnects so you can re-use the pins. If installed correctly, device manager will not show the unidentified device, but it will also NOT be listed as a USB device. You can then open a CMD (DOS) window, cd to that directory and execute the "install.exe". The directory may not show up under the Windows File Explorer but it will show it in a search. \Arduino15\packages\mhetlive\micronucleus\2.0a4 To manually install the USB driver emulator, locate directory (just an example, as it showed up on my machine). It will show as an unidentified device under Device Manager when plugged into a USB port. The Arduino software installs but the USB driver is not installed correctly.
You still need to actually install the MH-ET device and select it as a target board. The software I used is Arduino 1.8.19 with "MH-ET LIVE" board profile, and then installed the Micronucleus USB driver/emulator.įirst download and install the Arduino 1.8.19 software package.įile/Preferences/Additional Boards Manager URLs, enter: The bootloader which is already programmed in the Flash memory connects through a slow protocol to a USB emulator software on the PC running the Arduino software. There is no hardware USB interface on this board. Here is the procedure that worked for me to consistently connect the ATtiny88 clone board via USB to a Windows machine running Arduino 1.8.19.
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