Looking for any tips here, but I bought a an Adafruit Ultimate GPS breakout and I am unable to observe any output from the GPS via serial. I have tested two different cables and same behaviour is observed. To check for output, I am doing the following:
cat /dev/ttyUSB0
I'm certain of the device and one of the cables has been used with another project so I am certain it works.
In terms of checking resistance, should each of the four pinouts be completely isolated? Other ideas for debugging?
No serial output for AdaFruit Ultimate GPS breakout
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Please be positive and constructive with your questions and comments.
- baude
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- Franklin97355
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Re: No serial output for AdaFruit Ultimate GPS breakout
How are you connecting the breakout to your computer? What are you using on the computer to receive the data?
- baude
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- Joined: Mon Jul 04, 2016 10:00 am
Re: No serial output for AdaFruit Ultimate GPS breakout
I am using the USB to TTL serial cable -> https://www.adafruit.com/products/954
- baude
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- Joined: Mon Jul 04, 2016 10:00 am
Re: No serial output for AdaFruit Ultimate GPS breakout
Any ideas? On the advice of a colleague, I checked the voltage in and it was in fact 5V.
- adafruit_support_mike
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Re: No serial output for AdaFruit Ultimate GPS breakout
Post a photo showing your hardware and connections and we'll take a look. 800x600 images usually work best.
- baude
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Re: No serial output for AdaFruit Ultimate GPS breakout
hey thanks,
do you want a picture with or without the usb>serial actually connected?
do you want a picture with or without the usb>serial actually connected?
- adafruit_support_mike
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Re: No serial output for AdaFruit Ultimate GPS breakout
With the connections please. We need to see how you have it hooked up to see if there are any problems there.
- baude
- Posts: 7
- Joined: Mon Jul 04, 2016 10:00 am
Re: No serial output for AdaFruit Ultimate GPS breakout
So it looks like the "ring"--where you solder--of the TX connection is not present. I am not sure if it was that way or was damaged by me. But that clearly explains the issue. Advice on what to do?
- Franklin97355
- Posts: 23912
- Joined: Mon Apr 21, 2008 2:33 pm
Re: No serial output for AdaFruit Ultimate GPS breakout
You could try scraping off some of the solder mask and solder a wire to that or trace back to the nearest point you can access. Post a picture so we can see if there are other options.
Please be positive and constructive with your questions and comments.