My PC crashed and I lost the sketch that I was working on and have uploaded to my UNIO. Is there any way to download a sketch from the UNIO back down to my PC? Thanks.
The name is UNO, not UNIO and no, there's no way you can recover your source code from the chip.
You can download the hex file from your UNO to your PC using avrdude.
Then you can upload it to another UNO if you wish, but as I said it wil be in hex format, not your original sketch
Never mind, I see you cant do it unless one had an inverse compiler or something. Fortunately I was able to find a backup copy of the sketch on a flash drive.
Phew! Always good to hear happy-end backup stories 