I programmed an ATtiny85 (8 pin DIL) that I had lying around. Got my little RGB led project working fine.
I made the following notes in the comments of my code:
ATtiny85. Burn bootloader at 1Mhz
Set frequency to 8Mhz
Timer 1 clock: CPU Frequency
I then ordered these:
I am guessing I messed up and got the wrong ATtinys, because I cannot get them to work at all,
I get either CPU speed not supported or basically nothing works.
Any ideas what I am doing wrong? Using a USBasp to program them and I have checked the wiring and it's identical to my breadboarded demo.
So, I assembled another PCB, but this time just the processor, the 10k reset pullup, and a blue led that is a heartbeat (flashes once a second). None of the other components.
This appears to upload at 8Mhz fine (bootloader then code). Not tested the RGB output yet, but the led is flashing once a second which I am hoping is a good thing.
Circuit attached if you can read it. Something in this circuit when fully populated stops the code uploading (but the bootloader does upload?)
