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I have a few cheap VCDS clones with atmega162 mcu and ft232rl
uploading via USBasp works, upload via serial does not work
reset via usb works
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The list of chips that are nominally supposed to be supported by Optiboot seems to be growing quite long; much larger than I'm able to test myself.
I'd like to build a network of people who are willi…
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### Describe the problem
The Arduino language features are not available after startup.
### To reproduce
- Have no attached boards,
- Start IDE2,
- Select `Arduino Uno` board (can be any),…
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I think Wiki is a good start as well as `README.TXT`.
https://github.com/Optiboot/optiboot/wiki/CompilingOptiboot
https://github.com/Optiboot/optiboot/blob/master/optiboot/bootloaders/optiboot/READM…
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I don't know what is wrong. It says that device signature is probably 8515 but then error says it should be different. I tried on multiple 8515 chips and always same error. I tried changing differen…
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The current "avrdude.conf" has the following description in three places: ".xmega", ".avr8x", and ".avrdx".
```
memory "data"
# SRAM, only used to supply the offset
offset …
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Now that Avrdude 7.1 has been released, it's time to look into how MightyCore, MegaCore, MiniCore, and MajorCore can migrate to the superior [Urboot](https://github.com/stefanrueger/urboot) bootloader…
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Even though `-c stk500` is supposed to work with both the stk500v1 and stk500v2 protocol, it only works with hardware running stk500v2 firmware.
I agree that `-c stk500` should try the v2 protocol,…
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Just got a serial port AVR910 prog (based on AT902313 and use some passive components for the serial interface) from AliExpress (along with a serial port based SI-Prog).
Currently avr910 only supp…
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### Describe the Bug
I tried to compile the default niu mini, and got the following output:
```
Ψ Compiling keymap with make --jobs=1 kbdfans/niu_mini:default
QMK Firmware 0.21.6
Making kbdfa…