Hello.
No matter what I do, I cannot get my adafruit gemma (black) to work. I get the error:
avrdude: usbdev_open(): did not find any USB device "usb"
every time that I try to upload code to the device. My arduino Uno works fine -- this problem is specific to the gemma (and flora). I've tried downloading the drivers, adding the urls in board manager, etc, on 2 different computers, and avrdude flips out with that same error.
I appreciate any help. I'm running Windows 10 on a 64 bit intel processor.I have arduino IDE 1.6.6.
Gemma avrdude: usbdev_open(): did not find any USB device "u
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Please be positive and constructive with your questions and comments.
- PopePieous
- Posts: 1
- Joined: Sat Aug 08, 2015 8:58 pm
- adafruit_support_rick
- Posts: 35092
- Joined: Tue Mar 15, 2011 11:42 am
Re: Gemma avrdude: usbdev_open(): did not find any USB devic
Open Device Manager. Does the Gemma appear anywhere? It should appear as a USBtiny under libusb-win32 devices
- geocachersteve
- Posts: 34
- Joined: Mon Mar 17, 2014 12:31 am
Re: Gemma avrdude: usbdev_open(): did not find any USB devic
I have the same issue. I see the device under the device manager. I also see the Adafruit Gemma 8MHz on Com3 notice along the bottom bar of my Arduino 1.0.5 software window. I keep getting the avrdude: usbdev_open(): did not find any USB device "usb"
error. My Gemma is the black connector V2 (just bought them.) I'd like to make them work.
I am trying to just load the strand test program.
error. My Gemma is the black connector V2 (just bought them.) I'd like to make them work.
I am trying to just load the strand test program.
- geocachersteve
- Posts: 34
- Joined: Mon Mar 17, 2014 12:31 am
Re: Gemma avrdude: usbdev_open(): did not find any USB devic
I am loading Flora's just fine.
Only the Gemma is developing the error. I have 2 of them now.... same error.
Only the Gemma is developing the error. I have 2 of them now.... same error.
- geocachersteve
- Posts: 34
- Joined: Mon Mar 17, 2014 12:31 am
Re: Gemma avrdude: usbdev_open(): did not find any USB devic
I solved it myself ..... sorta.
I downloaded the newest arduino software version 1.6.4
Then I downloaded the drivers provided by Adafruit.
Now I can load the strandtest example onto the Gemma.
I downloaded the newest arduino software version 1.6.4
Then I downloaded the drivers provided by Adafruit.
Now I can load the strandtest example onto the Gemma.
- amateurx
- Posts: 5
- Joined: Mon Aug 30, 2010 11:03 am
Re: Gemma avrdude: usbdev_open(): did not find any USB devic
I have the same issue. I can upload to Trinket no problem, but Gemma (black) doesn't work. (now, I do have to hit the reset button on the Trinket just at the right time, but it works so I won't complain). I've tried 3 different computers, 4 different cables, a lot of different USB ports with no luck. I've used Arduino IDE 1.6.4 & now am on 1.6.8. and Adafruit drivers as of 3 days ago. All computers using Windows 10 (64bit).
Note: I can't get the Gemma to show up in the Device Manager, but I can't get the Trinket to show up either, yet that'll sync.
Note: I can't get the Gemma to show up in the Device Manager, but I can't get the Trinket to show up either, yet that'll sync.
- adafruit_support_rick
- Posts: 35092
- Joined: Tue Mar 15, 2011 11:42 am
Re: Gemma avrdude: usbdev_open(): did not find any USB devic
Do you have the board type set to *Adafruit* Gemma (not *Arduino* Gemma)?
The Gemma and Trinket should appear as a USBTinyISP under LibUSB-Win32 Devices in Device Manager
The Gemma and Trinket should appear as a USBTinyISP under LibUSB-Win32 Devices in Device Manager
- geocachersteve
- Posts: 34
- Joined: Mon Mar 17, 2014 12:31 am
Re: Gemma avrdude: usbdev_open(): did not find any USB devic
Now I see.
Whenever there is a change to things, those of us with old stuff do just fine.
It's the new stuff that messes us up... lol.
IN the Arduino software-
When selecting the 'board' under the 'tools' tab
The TEAL Gemma uses the 'Arduino Gemma'
The BLACK Gemma uses the 'Adafruit Gemma 8MHz'
I just noticed you are specifying the circuit board color. ( I have both types).
Whenever there is a change to things, those of us with old stuff do just fine.
It's the new stuff that messes us up... lol.
IN the Arduino software-
When selecting the 'board' under the 'tools' tab
The TEAL Gemma uses the 'Arduino Gemma'
The BLACK Gemma uses the 'Adafruit Gemma 8MHz'
I just noticed you are specifying the circuit board color. ( I have both types).
- adafruit_support_rick
- Posts: 35092
- Joined: Tue Mar 15, 2011 11:42 am
Re: Gemma avrdude: usbdev_open(): did not find any USB devic
Yeah - I'm not sure why, but the Arduino Gemma bootloader is different.
Please be positive and constructive with your questions and comments.