AVR-Programmer

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Cant burn a bootloader

1

Hi, I can't burn the bootloader (this was the actual problem), I can't figure out.. I opened a new issue here: https://github.com/SpenceKonde/megaTinyCore/issues/1077 Do you have any idea? This is my...

avandalen

About the HV UPDI programmers - CH330N

3

Great range of HV UPDI programmers. Only thing is that you use the CH330N which seems to be discontinued. Is there a replacement chip? Will you be updating the designs...

charlieschick

picoISP/picostk eeprom write bug

1

Hi. In [write_eeprom](https://github.com/wagiminator/AVR-Programmer/blob/3228ccc1b9b1dca176e952b7cc8989b560f6647c/picoISP_Programmer/software/picostk/src/isp.c#L265) only 8 bit of an address is using, So correct writing/verifying of >256 bytes is impossible. UPD. Seems like [eeprom_read_page](https://github.com/wagiminator/AVR-Programmer/blob/3228ccc1b9b1dca176e952b7cc8989b560f6647c/picoISP_Programmer/software/picostk/src/isp.c#L315) is not correct too.

dfxhub

CH552, sdcc and delay.c

3

Hi! Delays are not correct. sdcc 4.2.0 compiles your implemetation to this: ``` ; src/delay.c:25: SAFE_MOD++; // 2 Fsys cycles, for higher Fsys, add operation here mov a,_SAFE_MOD inc a...

dfxhub

CH552: SPI auto-clock feature is potentially dangerous

1

### picoISP Programmer - CH552E SPI auto-clock feature is potentially dangerous - bricked my 328p pro mini (clone, only HVPP revived the chip). "Detected" SPI speed is very aggressive -...

dfxhub

Please provide source code for the PCBs

4

The gerber files for the boards using the SS-1290L-GL L=1.5mm switch became useless as that part (as well as its datasheet) is no longer available. Without source code for the...

wocard2

avrdude does not recognize picoAVR programmer in USBasp mode.

23

Hi there. I made a picoAVR and uploaded the pre-compiled firmware in the repository. A WINUSB device with product name picoAVR and a serial device did show up in the...

xinaovo

A strange upload error.

4

Hi, Stefan. I encountered a very strange error. I programmer an ATTINY13A-SSU with MicroCore use your AVR Programmer Adapter Maxi. When I set the clock to '1.2 Mhz internal osc',...

nehcoab

If we look at the schematics, we will see that only the VCC line is switching there, and the +3V power supply is constantly connected to the V33, is it...

Rinat84

Gerber data invalid

5

I am trying to order some pc boards for this Maxi but both online Gerb-viewer and the board house tell me that there is no board data in the Zip...

southern-boy