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attiny85 with HVPP
  " What wrong fuses are you referring to? " When I was programming the chip via SPI I was  attempting to set the fuse bits to work with bootloader. After a lot of...
Sunday, 26 January 2020 - 22:24
attiny85 with HVPP
I'm out of chips now. was able to use this board to program via SPI. I did find a few other guides with images and looks like I have it all correct. I tried the 4 chips I locked...
Sunday, 26 January 2020 - 19:37
attiny85 with HVPP
  I tried to follow this guide The directions are not written well here.   few examples Use on 2-wire cable to connect... ...
Sunday, 26 January 2020 - 17:03
attiny85 with HVPP
I'm not able to use the SPI.  My guess for that is that I disabled the reset pin in the fuse bits ( intentionally ) so I could use that as a in/out pin.  This being the...
Sunday, 26 January 2020 - 02:15
tiny with fdu?
ah, very good thx.
Saturday, 25 January 2020 - 22:58
tiny with fdu?
Was wondering if anyone could explain this to me.    Tiny's do not have a USB controller on them The tiny85 is cabled of a USB bootloader   How does that work...
Saturday, 25 January 2020 - 22:23
tiny with fdu?
ah, it was indeed fuses, I used the trinket stuff. L (low) fuse to 0xF1, the H (high) fuse to 0xD5 and the E (extended) fuse to 0xFE I didn't know about PLL
Saturday, 25 January 2020 - 20:41
tiny with fdu?
  I was able to get things working but the driver shows as unknown device. I installed libusb and followed the directions in the doc but can not seem to make it work. Running...
Saturday, 25 January 2020 - 18:44
tiny with fdu?
I tried micronuscleus but the flash size was greater then the chip? Possibly I download the hex wrong...   edit: yup that was why... 5k now. user error.
Saturday, 25 January 2020 - 18:18
atmega32u2 does not program via SPI
My ISP6PIN header from the STK500 works ok on my other chips. Just the avr IDE is not allowing the option. I did check the pins, and there are no shorts or interruptions. I may...
Saturday, 18 January 2020 - 00:53
atmega32u2 does not program via SPI
First guess is a defect on the PCBA containing the mega32U2.  Huh in interesting I have this layout PCBA     Don't see a defect but could be a solder issue. I...
Friday, 17 January 2020 - 02:36
makeing a level shifter for i2c or forcing 5vttl.
unless you have some undisclosed need for 5V.  There is. I will need that.
Monday, 13 January 2020 - 12:52