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kriswiner / EM7180_SENtral_sensor_hub

(Affordable) Ultimate Sensor Fusion Solution
https://www.tindie.com/products/onehorse/ultimate-sensor-fusion-solution/
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Using quat output from Sentral chip #42

Open mbui0327 opened 5 years ago

mbui0327 commented 5 years ago

Hi Kris, I want to do find the rotation from quat1 to quat2. I used some standard lib like pyquaternion but got wrong result. When I use your function to convert from quat to rpy and rads, everthing is good. So it seems like the quat output from Sentral may have something special that makes it not working with pyquaternion. I wonder if you can give us some pointer to solve this problem. More specifically, we need to operation: quat multiplication and inverse. Thank much.

kriswiner commented 5 years ago

Not sure what the trouble is, except that maybe you need to make sure which is Qw and which is qxyz? Maybe these are reversed or something.

On Fri, Oct 26, 2018 at 10:17 AM robotdreamers notifications@github.com wrote:

Hi Kris, I want to do find the rotation from quat1 to quat2. I used some standard lib like pyquaternion but got wrong result. When I use your function to convert from quat to rpy and rads, everthing is good. So it seems like the quat output from Sentral may have something special that makes it not working with pyquaternion. I wonder if you can give us some pointer to solve this problem. More specifically, we need to operation: quat multiplication and inverse. Thank much.

— You are receiving this because you are subscribed to this thread. Reply to this email directly, view it on GitHub https://github.com/kriswiner/EM7180_SENtral_sensor_hub/issues/42, or mute the thread https://github.com/notifications/unsubscribe-auth/AGY1qrGUnVqR4tcYYtSHMW9aGHX0KLEoks5uo0OtgaJpZM4X8o4j .

mbui0327 commented 5 years ago

True, the output of Sentral is qxyz, qw, which seems to be reversed of standard normal. BTW, can you share with us the reference to your formula to calculate rpy from quat? Thanks.

mbui0327 commented 5 years ago

Hi Kris, do you have discount if I buy 10 items? We want to created a glove like this one. We want to do it by ourselves first. Appreciate any advice. Thank you.

On Fri, Oct 26, 2018 at 10:19 AM Kris Winer notifications@github.com wrote:

Not sure what the trouble is, except that maybe you need to make sure which is Qw and which is qxyz? Maybe these are reversed or something.

On Fri, Oct 26, 2018 at 10:17 AM robotdreamers notifications@github.com wrote:

Hi Kris, I want to do find the rotation from quat1 to quat2. I used some standard lib like pyquaternion but got wrong result. When I use your function to convert from quat to rpy and rads, everthing is good. So it seems like the quat output from Sentral may have something special that makes it not working with pyquaternion. I wonder if you can give us some pointer to solve this problem. More specifically, we need to operation: quat multiplication and inverse. Thank much.

— You are receiving this because you are subscribed to this thread. Reply to this email directly, view it on GitHub https://github.com/kriswiner/EM7180_SENtral_sensor_hub/issues/42, or mute the thread < https://github.com/notifications/unsubscribe-auth/AGY1qrGUnVqR4tcYYtSHMW9aGHX0KLEoks5uo0OtgaJpZM4X8o4j

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-- ~Bach

kriswiner commented 5 years ago

I can offer 10% discount, so buy 9 get 1 free if you pay direct via paypal to tleracorp@gmail.com. Please include US shipping $3.50 or Internaltional shipping $14.95. Please send your shipping address including phone number.

The EM7180 breakouts have only one I2C address so it will require an I2C multiplexer to get data from 10 of them on a single I2C bus.

Also, this is new and might help: https://github.com/gregtomasch/EM7180_SENtral_Calibration

On Sun, Feb 24, 2019 at 8:26 AM robotdreamers notifications@github.com wrote:

Hi Kris, do you have discount if I buy 10 items? We want to created a glove like this one. We want to do it by ourselves first. Appreciate any advice. Thank you.

On Fri, Oct 26, 2018 at 10:19 AM Kris Winer notifications@github.com wrote:

Not sure what the trouble is, except that maybe you need to make sure which is Qw and which is qxyz? Maybe these are reversed or something.

On Fri, Oct 26, 2018 at 10:17 AM robotdreamers <notifications@github.com

wrote:

Hi Kris, I want to do find the rotation from quat1 to quat2. I used some standard lib like pyquaternion but got wrong result. When I use your function to convert from quat to rpy and rads, everthing is good. So it seems like the quat output from Sentral may have something special that makes it not working with pyquaternion. I wonder if you can give us some pointer to solve this problem. More specifically, we need to operation: quat multiplication and inverse. Thank much.

— You are receiving this because you are subscribed to this thread. Reply to this email directly, view it on GitHub https://github.com/kriswiner/EM7180_SENtral_sensor_hub/issues/42, or mute the thread <

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-- ~Bach

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mbui0327 commented 5 years ago

You can ship to Vietnam, right? ~Bach

On Sun, Feb 24, 2019 at 9:16 AM Kris Winer notifications@github.com wrote:

I can offer 10% discount, so buy 9 get 1 free if you pay direct via paypal to tleracorp@gmail.com. Please include US shipping $3.50 or Internaltional shipping $14.95. Please send your shipping address including phone number.

The EM7180 breakouts have only one I2C address so it will require an I2C multiplexer to get data from 10 of them on a single I2C bus.

Also, this is new and might help: https://github.com/gregtomasch/EM7180_SENtral_Calibration

On Sun, Feb 24, 2019 at 8:26 AM robotdreamers notifications@github.com wrote:

Hi Kris, do you have discount if I buy 10 items? We want to created a glove like this one. We want to do it by ourselves first. Appreciate any advice. Thank you.

On Fri, Oct 26, 2018 at 10:19 AM Kris Winer notifications@github.com wrote:

Not sure what the trouble is, except that maybe you need to make sure which is Qw and which is qxyz? Maybe these are reversed or something.

On Fri, Oct 26, 2018 at 10:17 AM robotdreamers < notifications@github.com

wrote:

Hi Kris, I want to do find the rotation from quat1 to quat2. I used some standard lib like pyquaternion but got wrong result. When I use your function to convert from quat to rpy and rads, everthing is good. So it seems like the quat output from Sentral may have something special that makes it not working with pyquaternion. I wonder if you can give us some pointer to solve this problem. More specifically, we need to operation: quat multiplication and inverse. Thank much.

— You are receiving this because you are subscribed to this thread. Reply to this email directly, view it on GitHub https://github.com/kriswiner/EM7180_SENtral_sensor_hub/issues/42, or mute the thread <

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-- ~Bach

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mbui0327 commented 5 years ago

Can you give me total price to ship 10 to VN? I will give you the address in the PayPal transaction. Thanks.

~Bach

On Sun, Feb 24, 2019 at 11:52 AM Bach Duy Bui bui.duybach@gmail.com wrote:

You can ship to Vietnam, right? ~Bach

On Sun, Feb 24, 2019 at 9:16 AM Kris Winer notifications@github.com wrote:

I can offer 10% discount, so buy 9 get 1 free if you pay direct via paypal to tleracorp@gmail.com. Please include US shipping $3.50 or Internaltional shipping $14.95. Please send your shipping address including phone number.

The EM7180 breakouts have only one I2C address so it will require an I2C multiplexer to get data from 10 of them on a single I2C bus.

Also, this is new and might help: https://github.com/gregtomasch/EM7180_SENtral_Calibration

On Sun, Feb 24, 2019 at 8:26 AM robotdreamers notifications@github.com wrote:

Hi Kris, do you have discount if I buy 10 items? We want to created a glove like this one. We want to do it by ourselves first. Appreciate any advice. Thank you.

On Fri, Oct 26, 2018 at 10:19 AM Kris Winer notifications@github.com wrote:

Not sure what the trouble is, except that maybe you need to make sure which is Qw and which is qxyz? Maybe these are reversed or something.

On Fri, Oct 26, 2018 at 10:17 AM robotdreamers < notifications@github.com

wrote:

Hi Kris, I want to do find the rotation from quat1 to quat2. I used some standard lib like pyquaternion but got wrong result. When I use your function to convert from quat to rpy and rads, everthing is good. So it seems like the quat output from Sentral may have something special that makes it not working with pyquaternion. I wonder if you can give us some pointer to solve this problem. More specifically, we need to operation: quat multiplication and inverse. Thank much.

— You are receiving this because you are subscribed to this thread. Reply to this email directly, view it on GitHub https://github.com/kriswiner/EM7180_SENtral_sensor_hub/issues/42, or mute the thread <

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-- ~Bach

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kriswiner commented 5 years ago

I have done before using regular first class air mail.

On Sun, Feb 24, 2019 at 11:52 AM robotdreamers notifications@github.com wrote:

You can ship to Vietnam, right? ~Bach

On Sun, Feb 24, 2019 at 9:16 AM Kris Winer notifications@github.com wrote:

I can offer 10% discount, so buy 9 get 1 free if you pay direct via paypal to tleracorp@gmail.com. Please include US shipping $3.50 or Internaltional shipping $14.95. Please send your shipping address including phone number.

The EM7180 breakouts have only one I2C address so it will require an I2C multiplexer to get data from 10 of them on a single I2C bus.

Also, this is new and might help: https://github.com/gregtomasch/EM7180_SENtral_Calibration

On Sun, Feb 24, 2019 at 8:26 AM robotdreamers notifications@github.com wrote:

Hi Kris, do you have discount if I buy 10 items? We want to created a glove like this one. We want to do it by ourselves first. Appreciate any advice. Thank you.

On Fri, Oct 26, 2018 at 10:19 AM Kris Winer notifications@github.com wrote:

Not sure what the trouble is, except that maybe you need to make sure which is Qw and which is qxyz? Maybe these are reversed or something.

On Fri, Oct 26, 2018 at 10:17 AM robotdreamers < notifications@github.com

wrote:

Hi Kris, I want to do find the rotation from quat1 to quat2. I used some standard lib like pyquaternion but got wrong result. When I use your function to convert from quat to rpy and rads, everthing is good. So it seems like the quat output from Sentral may have something special that makes it not working with pyquaternion. I wonder if you can give us some pointer to solve this problem. More specifically, we need to operation: quat multiplication and inverse. Thank much.

— You are receiving this because you are subscribed to this thread. Reply to this email directly, view it on GitHub <https://github.com/kriswiner/EM7180_SENtral_sensor_hub/issues/42 , or mute the thread <

https://github.com/notifications/unsubscribe-auth/AGY1qrGUnVqR4tcYYtSHMW9aGHX0KLEoks5uo0OtgaJpZM4X8o4j

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-- ~Bach

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mbui0327 commented 5 years ago

Kris, I sent the money. The address for the package is:

Tran Bich Khanh P907, Toa nha 3B Phuong Liet, Thanh Xuan Ha Noi, Vietnam Tel: +84-91-2353334

Thanks. ~Bach

On Sun, Feb 24, 2019 at 12:09 PM Kris Winer notifications@github.com wrote:

I have done before using regular first class air mail.

On Sun, Feb 24, 2019 at 11:52 AM robotdreamers notifications@github.com wrote:

You can ship to Vietnam, right? ~Bach

On Sun, Feb 24, 2019 at 9:16 AM Kris Winer notifications@github.com wrote:

I can offer 10% discount, so buy 9 get 1 free if you pay direct via paypal to tleracorp@gmail.com. Please include US shipping $3.50 or Internaltional shipping $14.95. Please send your shipping address including phone number.

The EM7180 breakouts have only one I2C address so it will require an I2C multiplexer to get data from 10 of them on a single I2C bus.

Also, this is new and might help: https://github.com/gregtomasch/EM7180_SENtral_Calibration

On Sun, Feb 24, 2019 at 8:26 AM robotdreamers < notifications@github.com> wrote:

Hi Kris, do you have discount if I buy 10 items? We want to created a glove like this one. We want to do it by ourselves first. Appreciate any advice. Thank you.

On Fri, Oct 26, 2018 at 10:19 AM Kris Winer < notifications@github.com> wrote:

Not sure what the trouble is, except that maybe you need to make sure which is Qw and which is qxyz? Maybe these are reversed or something.

On Fri, Oct 26, 2018 at 10:17 AM robotdreamers < notifications@github.com

wrote:

Hi Kris, I want to do find the rotation from quat1 to quat2. I used some standard lib like pyquaternion but got wrong result. When I use your function to convert from quat to rpy and rads, everthing is good. So it seems like the quat output from Sentral may have something special that makes it not working with pyquaternion. I wonder if you can give us some pointer to solve this problem. More specifically, we need to operation: quat multiplication and inverse. Thank much.

— You are receiving this because you are subscribed to this thread. Reply to this email directly, view it on GitHub < https://github.com/kriswiner/EM7180_SENtral_sensor_hub/issues/42 , or mute the thread <

https://github.com/notifications/unsubscribe-auth/AGY1qrGUnVqR4tcYYtSHMW9aGHX0KLEoks5uo0OtgaJpZM4X8o4j

.

— You are receiving this because you authored the thread. Reply to this email directly, view it on GitHub <

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.

-- ~Bach

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kriswiner commented 5 years ago

Is there a zip code or province or city code number?

On Sun, Feb 24, 2019 at 6:13 PM robotdreamers notifications@github.com wrote:

Kris, I sent the money. The address for the package is:

Tran Bich Khanh P907, Toa nha 3B Phuong Liet, Thanh Xuan Ha Noi, Vietnam Tel: +84-91-2353334

Thanks. ~Bach

On Sun, Feb 24, 2019 at 12:09 PM Kris Winer notifications@github.com wrote:

I have done before using regular first class air mail.

On Sun, Feb 24, 2019 at 11:52 AM robotdreamers <notifications@github.com

wrote:

You can ship to Vietnam, right? ~Bach

On Sun, Feb 24, 2019 at 9:16 AM Kris Winer notifications@github.com wrote:

I can offer 10% discount, so buy 9 get 1 free if you pay direct via paypal to tleracorp@gmail.com. Please include US shipping $3.50 or Internaltional shipping $14.95. Please send your shipping address including phone number.

The EM7180 breakouts have only one I2C address so it will require an I2C multiplexer to get data from 10 of them on a single I2C bus.

Also, this is new and might help: https://github.com/gregtomasch/EM7180_SENtral_Calibration

On Sun, Feb 24, 2019 at 8:26 AM robotdreamers < notifications@github.com> wrote:

Hi Kris, do you have discount if I buy 10 items? We want to created a glove like this one. We want to do it by ourselves first. Appreciate any advice. Thank you.

On Fri, Oct 26, 2018 at 10:19 AM Kris Winer < notifications@github.com> wrote:

Not sure what the trouble is, except that maybe you need to make sure which is Qw and which is qxyz? Maybe these are reversed or something.

On Fri, Oct 26, 2018 at 10:17 AM robotdreamers < notifications@github.com

wrote:

Hi Kris, I want to do find the rotation from quat1 to quat2. I used some standard lib like pyquaternion but got wrong result. When I use your function to convert from quat to rpy and rads, everthing is good. So it seems like the quat output from Sentral may have something special that makes it not working with pyquaternion. I wonder if you can give us some pointer to solve this problem. More specifically, we need to operation: quat multiplication and inverse. Thank much.

— You are receiving this because you are subscribed to this thread. Reply to this email directly, view it on GitHub < https://github.com/kriswiner/EM7180_SENtral_sensor_hub/issues/42 , or mute the thread <

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-- ~Bach

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kriswiner commented 5 years ago

Customs number UA428231946US

On Sun, Feb 24, 2019 at 6:13 PM robotdreamers notifications@github.com wrote:

Kris, I sent the money. The address for the package is:

Tran Bich Khanh P907, Toa nha 3B Phuong Liet, Thanh Xuan Ha Noi, Vietnam Tel: +84-91-2353334

Thanks. ~Bach

On Sun, Feb 24, 2019 at 12:09 PM Kris Winer notifications@github.com wrote:

I have done before using regular first class air mail.

On Sun, Feb 24, 2019 at 11:52 AM robotdreamers <notifications@github.com

wrote:

You can ship to Vietnam, right? ~Bach

On Sun, Feb 24, 2019 at 9:16 AM Kris Winer notifications@github.com wrote:

I can offer 10% discount, so buy 9 get 1 free if you pay direct via paypal to tleracorp@gmail.com. Please include US shipping $3.50 or Internaltional shipping $14.95. Please send your shipping address including phone number.

The EM7180 breakouts have only one I2C address so it will require an I2C multiplexer to get data from 10 of them on a single I2C bus.

Also, this is new and might help: https://github.com/gregtomasch/EM7180_SENtral_Calibration

On Sun, Feb 24, 2019 at 8:26 AM robotdreamers < notifications@github.com> wrote:

Hi Kris, do you have discount if I buy 10 items? We want to created a glove like this one. We want to do it by ourselves first. Appreciate any advice. Thank you.

On Fri, Oct 26, 2018 at 10:19 AM Kris Winer < notifications@github.com> wrote:

Not sure what the trouble is, except that maybe you need to make sure which is Qw and which is qxyz? Maybe these are reversed or something.

On Fri, Oct 26, 2018 at 10:17 AM robotdreamers < notifications@github.com

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Hi Kris, I want to do find the rotation from quat1 to quat2. I used some standard lib like pyquaternion but got wrong result. When I use your function to convert from quat to rpy and rads, everthing is good. So it seems like the quat output from Sentral may have something special that makes it not working with pyquaternion. I wonder if you can give us some pointer to solve this problem. More specifically, we need to operation: quat multiplication and inverse. Thank much.

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kriswiner commented 5 years ago

Also, which variant do you want? MPU9250 or LSM6DSM+LIS2MDL?

On Sun, Feb 24, 2019 at 6:58 PM Tlera Corporation tleracorp@gmail.com wrote:

Customs number UA428231946US

On Sun, Feb 24, 2019 at 6:13 PM robotdreamers notifications@github.com wrote:

Kris, I sent the money. The address for the package is:

Tran Bich Khanh P907, Toa nha 3B Phuong Liet, Thanh Xuan Ha Noi, Vietnam Tel: +84-91-2353334

Thanks. ~Bach

On Sun, Feb 24, 2019 at 12:09 PM Kris Winer notifications@github.com wrote:

I have done before using regular first class air mail.

On Sun, Feb 24, 2019 at 11:52 AM robotdreamers < notifications@github.com> wrote:

You can ship to Vietnam, right? ~Bach

On Sun, Feb 24, 2019 at 9:16 AM Kris Winer notifications@github.com wrote:

I can offer 10% discount, so buy 9 get 1 free if you pay direct via paypal to tleracorp@gmail.com. Please include US shipping $3.50 or Internaltional shipping $14.95. Please send your shipping address including phone number.

The EM7180 breakouts have only one I2C address so it will require an I2C multiplexer to get data from 10 of them on a single I2C bus.

Also, this is new and might help: https://github.com/gregtomasch/EM7180_SENtral_Calibration

On Sun, Feb 24, 2019 at 8:26 AM robotdreamers < notifications@github.com> wrote:

Hi Kris, do you have discount if I buy 10 items? We want to created a glove like this one. We want to do it by ourselves first. Appreciate any advice. Thank you.

On Fri, Oct 26, 2018 at 10:19 AM Kris Winer < notifications@github.com> wrote:

Not sure what the trouble is, except that maybe you need to make sure which is Qw and which is qxyz? Maybe these are reversed or something.

On Fri, Oct 26, 2018 at 10:17 AM robotdreamers < notifications@github.com

wrote:

Hi Kris, I want to do find the rotation from quat1 to quat2. I used some standard lib like pyquaternion but got wrong result. When I use your function to convert from quat to rpy and rads, everthing is good. So it seems like the quat output from Sentral may have something special that makes it not working with pyquaternion. I wonder if you can give us some pointer to solve this problem. More specifically, we need to operation: quat multiplication and inverse. Thank much.

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mbui0327 commented 5 years ago

Kris, sorry my team had different opinion and don't want to order this for now. They found a cheaper solution. Could you please send us the money back? Please take out any fee that you find appropriate. Very sorry for the inconveniences.

On Sun, Feb 24, 2019 at 6:54 PM Kris Winer notifications@github.com wrote:

Is there a zip code or province or city code number?

On Sun, Feb 24, 2019 at 6:13 PM robotdreamers notifications@github.com wrote:

Kris, I sent the money. The address for the package is:

Tran Bich Khanh P907, Toa nha 3B Phuong Liet, Thanh Xuan Ha Noi, Vietnam Tel: +84-91-2353334

Thanks. ~Bach

On Sun, Feb 24, 2019 at 12:09 PM Kris Winer notifications@github.com wrote:

I have done before using regular first class air mail.

On Sun, Feb 24, 2019 at 11:52 AM robotdreamers < notifications@github.com

wrote:

You can ship to Vietnam, right? ~Bach

On Sun, Feb 24, 2019 at 9:16 AM Kris Winer <notifications@github.com

wrote:

I can offer 10% discount, so buy 9 get 1 free if you pay direct via paypal to tleracorp@gmail.com. Please include US shipping $3.50 or Internaltional shipping $14.95. Please send your shipping address including phone number.

The EM7180 breakouts have only one I2C address so it will require an I2C multiplexer to get data from 10 of them on a single I2C bus.

Also, this is new and might help: https://github.com/gregtomasch/EM7180_SENtral_Calibration

On Sun, Feb 24, 2019 at 8:26 AM robotdreamers < notifications@github.com> wrote:

Hi Kris, do you have discount if I buy 10 items? We want to created a glove like this one. We want to do it by ourselves first. Appreciate any advice. Thank you.

On Fri, Oct 26, 2018 at 10:19 AM Kris Winer < notifications@github.com> wrote:

Not sure what the trouble is, except that maybe you need to make sure which is Qw and which is qxyz? Maybe these are reversed or something.

On Fri, Oct 26, 2018 at 10:17 AM robotdreamers < notifications@github.com

wrote:

Hi Kris, I want to do find the rotation from quat1 to quat2. I used some standard lib like pyquaternion but got wrong result. When I use your function to convert from quat to rpy and rads, everthing is good. So it seems like the quat output from Sentral may have something special that makes it not working with pyquaternion. I wonder if you can give us some pointer to solve this problem. More specifically, we need to operation: quat multiplication and inverse. Thank much.

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-- ~Bach

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-- ~Bach