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cannot upload code through the Arduino IDE to the ATMEGA328P U-TH
david.prentice wrote: That sounds a little Trumpian.    For someone who seems to have some experience it is an unusual comment.   I will be happy to discuss...
Wednesday, 6 January 2021 - 23:37
cannot upload code through the Arduino IDE to the ATMEGA328P U-TH
ki0bk wrote: I'm out, OP is ignoring requests for pics! Good luck with your setup!   Jim     Would a moderator let me know the rules which apply to the delays in...
Wednesday, 6 January 2021 - 23:27
cannot upload code through the Arduino IDE to the ATMEGA328P U-TH
  awneil wrote: Kartman wrote: I can't see any bypass caps?    are they supposed to be here: not terribly effective on the ends of "long" wires + breadboard...
Wednesday, 6 January 2021 - 23:10
cannot upload code through the Arduino IDE to the ATMEGA328P U-TH
david.prentice wrote: We can't see the crystal wires, ...   Here they are ! The crystal connections are tight!       david.prentice wrote: Breadboards are...
Wednesday, 6 January 2021 - 22:57
cannot upload code through the Arduino IDE to the ATMEGA328P U-TH
We are talking about breadboarding here, featuring parasitic capacitors all around the board mainly in the crystal area. Also remember that this assembly is fed by a lab power...
Wednesday, 6 January 2021 - 22:45
cannot upload code through the Arduino IDE to the ATMEGA328P U-TH
  I am afraid that a simple picture from the assembly will not be very useful. I took the time to sketch the schematics: And here is a picture of this assembly  ...
Wednesday, 6 January 2021 - 22:16
cannot upload code through the Arduino IDE to the ATMEGA328P U-TH
I removed the -F argument from my avrdude commands: same failure
Wednesday, 6 January 2021 - 20:58
cannot upload code through the Arduino IDE to the ATMEGA328P U-TH
awneil wrote:   plaintronix wrote: I am using an OLIMEX programmer (STK500)   This: https://www.olimex.com/Products/AVR/Programmers/AVR-ISP500/ ?    ...
Wednesday, 6 January 2021 - 20:50
cannot upload code through the Arduino IDE to the ATMEGA328P U-TH
Thanks for your inputs. Taking into account the fuses questions, this what I did to make 100% sure about the hardware: I soldered a fresh ATMEGA328P-U TH on a PCB adapter, wired...
Wednesday, 6 January 2021 - 14:39
cannot upload code through the Arduino IDE to the ATMEGA328P U-TH
Hi, This is my first post here ;-) I am facing the same situation: I am using an OLIMEX programmer (STK500) to upload the hex files directly onto my boards (so as to say, I do not...
Wednesday, 6 January 2021 - 07:29