Comments (5)
Bertrand, greetings!
It appears that you are not communicating with the TFMini at all, which is much better than some weird intermittent error
Usually the problem is either:
- Power: Can you see the little red light inside the TFMini when power is applied?
- Serial connection: RX > TX and TX > RX - Do the RX/TX lines cross between the TFMini and the Arduino.
It's always something. We'll figure it out.
Bud
from tfmini-plus.
from tfmini-plus.
Bertrand,
I am happy to hear that your TFMini is now working correctly. What was the problem?
In a stable environment, your distance readings should not vary. Errors are uncommon.
If you wrap up ALL of your code (libraries and sketches), a text file of your output and some pictures of your setup into a zip file and send it to me, I will do all that I can to help.
Bud Ryerson
San Francisco
from tfmini-plus.
Bud,
Merci beaucoup de m'aider.
C'est curieux, mais comme je l'ai dis, il a fonctionné, juste après l'avoir branché sur WINCC_TF application!!!
L'autre question, c'était pour avoir votre avis, concernant un problème que j'ai sur plusieurs Rover (avec des capteurs (5) autres que TFMPlus) qui lorsque je teste les distances me renvoi pas toujours les bonnes valeurs. Donc le Rover s'arrête.
Il faudrait une fonction pour éliminer les valeurs trop basse.
Salutations
Bertrand
Bud,
Thank you very much for helping me.
It's odd, but like I said it worked, right after plugging it into WINCC_TF application !!!
The other question, it was to get your opinion, concerning a problem that I have on several Rover (with sensors (5 * VLX53LOX) other than TFMPlus) which when I test the distances not always give me the right values. So the Rover stops.
It would take a function to eliminate too low values.
Greetings
Bertrand
from tfmini-plus.
Bertrand,
You wrote:
it worked, right after plugging it into WINCC_TF application
That sounds like a connection error. You found it and fixed it. Way to go!
The VLX53LOX device appears to require a lot of calibration and has several "ranging profiles." As with the TFMini, you need to be careful that your sampling rate and ranging rate are compatible. If errors continue, small discrepancies can be averaged out; large discrepancies can be ignored.
The VLX53LOX data sheet is a little short on theory-of-operation, but it looks like an interesting device. If you want to send me one, I'd be happy to play with it and give you my opinion.
Keep up the good work.
Bud Ryerson
San Francisco
bud-at-budryerson-dot-com
from tfmini-plus.
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