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Type: Posts; User: Waterme11on

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  1. NXP Gyroscope no Longer in production, what does this mean for the Prop Shield?

    As the title says, the gyroscope used on the prop shield is going out of production.

    https://www.nxp.com/products/no-longer-manufactured/3-axis-digital-gyroscope:FXAS21002C

    Does this mean the...
  2. That was it! It works now! I desoldered the...

    That was it! It works now!
    I desoldered the capacitor off an old prop shield i had and put it on my board and it worked! All the way to max volume! So happy right now haha :)

    This is the...
  3. Tried that, and it works without issue

    Tried that, and it works without issue
  4. So i got my new board revision, make a test...

    So i got my new board revision, make a test circuit on it consisting of only the Audio amplifier, input caps, and the resistors that connect to AGND, DAC, and Pin 5, to which i then connected a...
  5. That is a massive help! Everything looks good,...

    That is a massive help! Everything looks good, i've managed to replicate the placement pretty well it seems.
    The only thing i don't understand is why you have vias on both sides of the 4.7uF cap?
  6. Okay so I've tried to make it look more like the...

    Okay so I've tried to make it look more like the layout on the prop shield, Is there anything I could improve upon here?

    Oh and I was wondering, does the proximity of the 3.3nF capacitors to the...
  7. Thank you for the advice Paul! I'm sketching up...

    Thank you for the advice Paul!
    I'm sketching up another revision now, i'll post it here before I go ahead and order more boards.

    Is it possible that i could get a gerber view of the prop shield...
  8. Diy Prop shield - LM48310 Amplifier Shorting at higher volumes

    Hey guys,

    I've been developing my own pcb that is a circuit comprising of the Teensy 3.2, Pjrc Prop shield, and Sparkfun 5v/1A boost converter (to power the Audio amplifier - LM48310).

    I'm...
  9. Ah i see, Looking at NXP's product range it...

    Ah i see,
    Looking at NXP's product range it seems they don't have a combined sensor, so it makes sense if Pjrc wanted to keep all the parts Nxp.

    Thank you!
  10. Why does the prop shield have two components for Accelerometer and Gyroscope?

    Hey all,
    I'm building a Diy teensy with all the sensors from the prop shield integrated.
    I was wondering why the prop shield uses two separate components for the accelerometer/magnetometer and the...
  11. Using Prop shield flash memory to store Wavetable Data

    Hey there,
    I was wondering if it's possible to use the 8mbyte flash on the prop shield as a way to store larger instruments for the wavetable synth.
    Currently with the teensy 3.2 I run out of space...
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    OKAY I think I finally got it after searching...

    OKAY
    I think I finally got it after searching through the nxp community forum.

    Changes made to get it to work properly at 8g:
    in NXPMotionSense.cpp:
    if (!write_reg(i2c_addr,...
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    Okay so that worked as you expected, measuring ax...

    Okay so that worked as you expected, measuring ax it sits around 1 when held upright and maxes out at 5.02.
    However I don't think the sensitivity is actually increased to 8g. The axis will still max...
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    Okay so how do i change fs[] to 8g? I might as...

    Okay so how do i change fs[] to 8g? I might as well try regardless of messing up other parts of the library.

    Is there any way to ping paul?
    Maybe he would know if its possible to implement...
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    I have no idea how to do this, Page 56 in the...

    I have no idea how to do this, Page 56 in the linked reference indicates you can change the sensitivity using XYZ_DATA_CFG through fs[1:0], However I have no idea where or what fs[1:0] is. Also the...
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    Changing that value didn't work, looking through...

    Changing that value didn't work,
    looking through the documentation now to see if I can find out how to change it properly.

    thanks for the link
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    Hi just bumping this, anyone know how to stop my...

    Hi just bumping this, anyone know how to stop my accelerometer axis from maxing out?
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    You shouldn't need the delay. Get some hardware...

    You shouldn't need the delay. Get some hardware and experiment.
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    I think its because you're running each sample...

    I think its because you're running each sample off the one sample object. (playSdWav1)

    Change it so each button uses a different playSdWav object, then they'll play all together. Also make the...
  20. Hey Paul thanks for the reply, Would I be able...

    Hey Paul thanks for the reply,

    Would I be able to achieve the same quality as the DAC pins using I2s for the 3rd output? Looking at the audio library and it says you can use I2s in the same...
  21. Best way to run 3 individual speakers off a teensy

    Hi there,
    I'm trying to get 3 speakers all playing different sounds, all of a single teensy.
    I don't want to use the audio shield, as the wide form factor is too limiting for my project, I need it...
  22. Legend! Changing to mono in Audacity fixed the...

    Legend!
    Changing to mono in Audacity fixed the problem.

    Thankyou!
  23. PlayFlashRaw Low quality sound (Prop shield)

    Hey there,
    Looking to find the best way to store and play audio samples with my prop shield.

    I used Audacity to convert a snare drum wav file to RAW format and then used TeensyTransfer to put it...
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    Prop Shield Accelerometer Sensitivity

    Hey there,
    I was looking at the datasheet for the Prop Shield's accelerometer and it says you can measure +-2, +-4, and +-8g sensitivity ranges.

    I'm currently reading the accelerometer values...
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    Wow I think i figured out why only the amps...

    Wow I think i figured out why only the amps inside the unit with the bluetooth unit broke.
    The teensy is kinda near the edge of the case, and with the bluetooth unit, pins 0-2 have wires on them...
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    I won't stop until I can smash it against the...

    I won't stop until I can smash it against the ground and still get sound coming out :P

    I think you're right, I need to modify my design to have the teensy mounted on a shock absorbing system.
    I...
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    Sorry for the weird phrasing in this post, was...

    Sorry for the weird phrasing in this post, was going to make a new thread but I realized it would be better to continue here. Sorry for repeating some info.

    I now have two prop shields with broken...
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    Hey thanks for the reply Theremingenieur, Both...

    Hey thanks for the reply Theremingenieur,
    Both of my teensys are hard soldered onto the prop shields and i'm not taking the working one apart to test the broken one.
    Might snip the broken unit off...
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    Prop Shield Blown amplifier??

    Hey guys,
    I'm making a Sound project with the teensy 3.2 and prop shield, currently I've stripped my teensy of all components except the speaker coming out of the prop shield + and - pins, and the...
  30. Awesome thanks, Do you recommend setting the cpu...

    Awesome thanks,
    Do you recommend setting the cpu speed to 120mhz for general Audio+Led use or just if I want to use pin 8?

    Also I'm using the IMU to control parameters like volume/frequency for...
  31. Hey So i figured out why the WS2812 Library...

    Hey So i figured out why the WS2812 Library wasn't working, kinda. I moved the leds to pin 1 instead of 8 and it worked. However I don't know why pin 8 wasn't working, it says it's a supported pin in...
  32. Running Audio and Neopixels at the same time with Prop Sheild

    Hey there,
    I'm trying to run the audio library whilst animating neopixels, but I need some help. My setup is a teensy 3.2 with a prop shield, a 16 led neopixel ring connected to pin 8 on the teensy,...
  33. Okay so I did another test with both teensys, and...

    Okay so I did another test with both teensys, and this time I had the usb powered one printing out the values for 'both' and the floatmap value.

    After leaving them on for about 20-30 minutes the...
  34. Hey there, thanks for the reply I did a side...

    Hey there, thanks for the reply

    I did a side by side test with both my battery powered teensy and one powered by usb, running the same sketch for the same amount of time.
    Both of them ended up...
  35. Teensy & Prop Shield lagging after being on for a short amount of time

    Hey guys,
    So i'm making a poi that makes sound as you swing it around. For those who don't know, a poi is pretty much just a weight on the end of a short tether, that is spun around the hand in...
  36. I'll give the net acceleration a go and report...

    I'll give the net acceleration a go and report back.
    The poi as actually hand held and swung in various patterns and speeds, so the ball ends up rotating due to the rope twisting meaning I can't...
  37. Hey thanks for the reply, what you mentioned will...

    Hey thanks for the reply, what you mentioned will actually help me in the other areas of my project but in this particular instance i'm trying to detect when the ball is motionless.
    For...
  38. Need Help coding motion detection with prop shield

    Hey I was wondering if anyone could help me out with coding a motion detection setup with the audio library.

    So i want to open and shut a filter or change a mixer gain depending on whether the...
  39. Oh sorry that was a typo with the Vbat, I was...

    Oh sorry that was a typo with the Vbat, I was talking about Vusb.

    As for the backwards power, I should be fine since nothing is connected to the vusb? Can i send data through the D+ and D- pads...
  40. Programming and charging teensy off one usb port.

    Hey there so I'm pretty certain my plan will work but I need some confirmation before I melt any more ICs.. :S

    I'm planning to power my teeny+Prop shield with a rechargeable 3.7v 18650 boosted...
  41. Controlling Audio library with Accelerometer.

    Hey there,

    Just wondering if anyone could help me out with controlling parameters in the audio library with the motion sensors on the prop shield.
    For example i'd like to open and close a filter...
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