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Pro Trinket 5V connection
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Pro Trinket 5V connection

by arh01 on Mon Aug 06, 2018 12:06 am

I am struggling to upload to the Pro Trinket. I have selected the Pro Trinket 5v/16MHz(USB) board and the USBtinyISP for the programmer. I have tried 3 different USB cables, many ports, 2 different computers, and installed the 2.3.1 drivers on windows 10. There are no unknown or known devices that show up in the control panel or the device manager.

The green LED on the trinket stays on and the red led flashes 3 times rapidly while plugged into the computer.

The error code when trying to upload a sketch is "Could not find USBtiny device (0x1781/0xc9f)".

Is there a way I can solve this, or could it be an issue with the trinket itself?

arh01
 
Posts: 2
Joined: Sun Aug 05, 2018 11:55 pm

Re: Pro Trinket 5V connection

by franklin97355 on Mon Aug 06, 2018 1:27 am

What happens when you press the reset button after plugging in the Trinket? What does the red light do?

franklin97355
 
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Joined: Mon Apr 21, 2008 2:33 pm
Location: Lacomb, OR.

Re: Pro Trinket 5V connection

by arh01 on Mon Aug 06, 2018 8:08 am

When I press the reset button, the red LED stops briefly, but right upon release of the button the red LED begins to do the 3 rapid flashes again.

arh01
 
Posts: 2
Joined: Sun Aug 05, 2018 11:55 pm

Please be positive and constructive with your questions and comments.