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Just as a confirmation. I tried to stick a boot-loader onto a factory-fresh (1MHz) 328p, just as an exercise- it threw the " no reply" thing I then put a jumper-link into the vacant JP3 position, tried the same - all went well (no errors thrown, anyway) I used the usual usb input to the UNO (ish) to...

Wow. Thanks for all of that reply ... I now feel very guilty for being so needy ...

Wonderful service!

I should have added that I bit the bullet and tried to ICSP a "blink" onto the UNO's 328p knowing that it was running at 16MHz ... this was successful in that the blink went in OK ... and the boot loaded went out ... hey-ho. I will have to stick that back in as a second proof of programming. Presuma...

Hi (again, sorry) I think i may have already answered one of my own questions alteady. I didn't want to blow out the boot loader that was in the UNO's 328p, just as a proof of these USBasps, so I had put in a virgin 328p out of a tube as the sacrificial lamb. I now beleive that this is a case of it ...

Thanks for the reply. i tried to ignore the lack of COM PORT being reported and selected the USBasp (I think) but a trial attempt to stick a "Blink" onto an UNO board didn't seem to go anywhere ... as i said probably just me being a bit hard of thinking ... Out of interest, along the way of looking ...

Hi all, Feeling a bit "lockdown fatigued" at present (ie being a bit thick). I got a couple of the SKU:HCDVBD0031 USBASP programmers (via Amazon) the other day and tried to use them. I cannot get them to show up as a port number on my PC by using the recommended ZADIG route or other "cures" I have f...