Details, Fiction and heylink dsplay
To do that you'll want an AVR programmer much like the AVRISP mk II or even the USBTiny ISP. You can even just make use of your Arduino, In case you have just one, to burn up the bootloader. All of your options are defined once you Keep to the link earlier mentioned.The microSD ought to only in good shape A method. If it doesn't healthy, Do not pow