Hi, I received a gemma v1 and v2 - initially had issues which i believe where related to usb3 on a windows laptop so via a usb2 Hub I can get the gemma v2 to enter boot mode - the v1 just blicks 1 second and goes off.
I have had it replaced by the retailer but same issues with the v1 so its not a corrupted boot loader so i will try a better quality usb cable when I get a chance...
Anyway the v2 which is entering bootmode gets this output each time:
avrdude: error: usbtiny_receive: (expected 4, got -5)
Any ideas?
I also have a trinket pro and I am sending sketches to that fine.
For reference this is the simple neopixel demo I am trying to send
Thanks for any support or advice
gemma v1 and 2 avrdude errorusbtiny_receive: (expected 4, g
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- asparagus
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- adafruit_support_rick
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- Joined: Tue Mar 15, 2011 11:42 am
Re: gemma v1 and 2 avrdude errorusbtiny_receive: (expected
Please post the entire output from the upload
- asparagus
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- Joined: Thu Sep 01, 2016 2:58 pm
Re: gemma v1 and 2 avrdude errorusbtiny_receive: (expected
The only output I am seeing is:
Sketch uses 3,334 bytes (62%) of program storage space. Maximum is 5,310 bytes.
Global variables use 53 bytes of dynamic memory.
avrdude: error: usbtiny_receive: (expected 4, got -5)
Gemma v2 8mhz
USBTinyISP
Windows 10
Sketch uses 3,334 bytes (62%) of program storage space. Maximum is 5,310 bytes.
Global variables use 53 bytes of dynamic memory.
avrdude: error: usbtiny_receive: (expected 4, got -5)
Gemma v2 8mhz
USBTinyISP
Windows 10
- adafruit_support_rick
- Posts: 35092
- Joined: Tue Mar 15, 2011 11:42 am
Re: gemma v1 and 2 avrdude errorusbtiny_receive: (expected
Go into Preferences in the Arduino IDE and check the box for verbose on upload. You'll get more-detailed information in the trace.
Does the sketch work after the upload completes? As I recall, this error simply indicates a retry, and you can ignore it.
Does the sketch work after the upload completes? As I recall, this error simply indicates a retry, and you can ignore it.
Please be positive and constructive with your questions and comments.