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I'm able to burn a bootloader to an ATMEGA4809 (40 pin DIP) using jtag2updi, but when I try to upload a sketch I get the subject error:
```
avrdude: AVR Part "atmega4809{upload.workaround}" not foun…
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A support of the MegaCoreX will helpful because there are other boards with MegaAvr0 chips,
(Curiosity Nano, ATmega4809 Xplained Pro ...) which are not supported by Arduino directly.
https://github.…
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Hello,
I have spent some time trying to get high voltage programming working on the ATtiny3216 but have not been successful. I have been doing the same thing I do with the ATtiny412 and ATtiny1614 …
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Hi!
I have reinstalled the board after you fixed the CRC problem, but since then and now I'm not able to flash my devices. It just times out in Arduino IDE. The setup is by the book with a 10 uF betw…
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**Edit by Spence - see my last few comments where the true cause of this apparent problem was discovered**
Hi,
I have used an array defined like this:
`
const signed char soundsSamples[] = {....…
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Since updating from 1.0.6 to 1.1.0, I am unable to compile any code. I get an error about pins_arduino.h not existing. Even with a blank sketch with only a setup() and loop() function, I still get the…