Per Tillisch

After I have done **Burn Bootloader** with the high fuse set to 0xD9 using USBasp the bootloader no longer works(I get `avrdude: stk500v2_ReceiveMessage(): timeout` when I try to upload over...

@NicoHood I assume you mean Atmega_Self_Read_Signature.ino? I ran it with all combinations of Burn Bootloader with USBasp/mkII, serial upload(only can do when bootloader burned w/ mkII) and Upload Using Programmer...

Sorry, I meant to mention @cmaglie (or anyone else who has edit privileges) in the last part of that, not Testato.

I confirm that with the [fixed firmware](https://github.com/PeterVH/usbasp) linked in PeterVH's blog post this issue no longer occurs with hfuse 0xD8.

I just tested Arduino as ISP using the ArduinoISP.ino included with the hourly build with ATmega2560 target and I have the exact same results as I did using USBasp with...

> How does the usbasp solve this issue? I believe this is the change that @PeterVH made to the USBasp firmware to solve the issue: https://github.com/PeterVH/usbasp/commit/14af55e03c5e4f5238d8eec6f83f8360405a7193 I think the best...

Hi @dankeboy36. Are you able to reproduce the fault reliably? I ask because the first time I tried it, I did encounter the same problem, but then every other time...

Previously when I was unable to reproduce the fault I was using a Windows machine. I tried it again on my macOS machine and was able to reproduce the fault...

Thanks for your report @bkbalaind! I'm going to close this as likely fixed by https://github.com/arduino-libraries/Arduino_MKRIoTCarrier/pull/84 That fix is in the latest release 2.1.0. If anyone still experiences the problem of...

Hi @tomasalves8. Which version of the "Arduino_MKRIoTCarrier" library are you using? You can see the version in Library Manager. Are you using an **Arduino MKR IoT Carrier Rev2**?: https://docs.arduino.cc/hardware/mkr-iot-carrier-rev2/