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  1. Replies
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    unbranded linear actuator communication

    hello guys
    i have an a unbranded linear actuator unit im trying to use. my main goal is simple to make it move up down.
    so i open the unit cover to understand how its wired.
    and i found under the...
  2. Test with protools DAW ...

    Test with protools DAW

    https://youtu.be/cOz84x7qfC8
  3. That's the best solution for sure but I all ready...

    That's the best solution for sure but I all ready printed PCB for that project maybe in the next one
    thanx for your important input.
  4. thank for your replay MichaelMeissner im working...

    thank for your replay MichaelMeissner
    im working with i2c 400000 communication im allso using i2c_t3 lib instead wire lib.
    may be 400 kbit/s is not enuf memory to communicate with tca multi slave...
  5. i start the project with those buttons:...

    i start the project with those buttons:
    https://www.ebay.com/itm/Clear-Black-Tact-Tactile-Push-Button-Switch-Cap-Silicone-for-6x6mm-Round-Switch-/142866067462
    but its makes click sound and its not...
  6. thanks for your replay cinhcet im using i2c for...

    thanks for your replay cinhcet
    im using i2c for display communication and for another slaved teensy. for my needs u8g2 working fast enuf the constructer is the problem i guess.
    i know that coz i...
  7. thank you:)

    thank you:)
  8. AMC8 - Automated midi controller (Hui Protocol)

    hello
    after about 1 year i can say that project is done. automated midi controller for protools DAW HUI protocol. the goal was to get 8 motor faders to control protools and to control faders from...
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    I'm.reelly lost here about DMA I read some info...

    I'm.reelly lost here about DMA I read some info and read some examples and I try few thing on my system but I can't get the 2 i2c write to slaves and read in "same time" like I post I try...
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    ok i tryed to config it in that way but its not...

    ok i tryed to config it in that way but its not changing much


    Wire.begin(I2C_MASTER, 0x00, I2C_PINS_18_19, I2C_PULLUP_EXT, 1000000,I2C_OP_MODE_DMA);
    Wire.setDefaultTimeout(200000); // 200ms...
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    tnx for you fast replay Theremingenieur i really...

    tnx for you fast replay Theremingenieur
    i really dont know much about DMA for i2c transfer can you please give me some point to start with?
    that should be hard to implant it to the code or its just...
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    2 i2c buss timing issue

    hello
    im dealing with teensy 3.6 project with 2 different i2c busses first is SCL0 SDA0
    and the second is SCL1 SDA1. im using i2c_t3 lib. master teensy connected to 2 devices.
    SCL0 SDA0 connected...
  13. Thanks to all of you guys you guide me to the...

    Thanks to all of you guys
    you guide me to the right point
    the problem is SOLVED

    im not expert so i use that method please tell me if you can think about lighter version of it



    for (int...
  14. update: thats the commend the control change...

    update:
    thats the commend the control change recive


    //mute commends
    for (int t=0; t<8;t++){
    if(usbMIDI.read() == 0xB0,0x0C,MUTNUM[t],0xB0,0x2C,0x42){
    chmute[t] = "M";
    }
  15. I mean prootools software(not protocol software)

    I mean prootools software(not protocol software)
  16. Hi el_supremo Tnx for you replay. I know most of...

    Hi el_supremo
    Tnx for you replay. I know most of the info about control change. The protocol I used to send midi data is HUI protocol and I'm sending it with protocols software all commend of HUI...
  17. tnx for your fast replay paul thats the full...

    tnx for your fast replay paul
    thats the full code. im trying to get the solo mute commend from control change
    the control change send 2 massage follow 1 by another for every time i press on mute...
  18. how to write if() condition from 4 control change midi values ?

    hello
    im trying to write if condition from 4 values i get from midi control change.
    every 2 values gives me 1 commend for example:

    //ch number(massage1)
    control == 12
    value == 0

    //button...
  19. update: i used the adafruit 1306 oled i2s...

    update:
    i used the adafruit 1306 oled i2s example .
    i added in setup void

    display.begin(SSD1306_SWITCHCAPVCC, 0x70);

    and i aaded that address in under tcaselect(i);
    ...
  20. here is the pcb 16206

    here is the pcb
    16206
  21. tnx for your replay Theremingenieur like i told...

    tnx for your replay Theremingenieur
    like i told to paul i allready pland and create pcb i didnt know that gonna be big isuue to just send 1 more i2c bus to control a device.
    i new in micro...
  22. tnx for your replay that project is assembly on...

    tnx for your replay
    that project is assembly on pcb . Wire0 is in use all ready connected to another teensy in slave mode.
    i wanna use 2 different i2c buses in the same time. now i understand that...
  23. hy paul i didnt understand . i read over the...

    hy paul
    i didnt understand .
    i read over the net and i found here [URL="https://github.com/olikraus/u8g2/issues/244[/URL]
    that i need to add _2ND_HW_I2C i tryed that but its not send nothing...
  24. I guess I'm not How should i cause the u8g or...

    I guess I'm not
    How should i cause the u8g or u8g2 to use wire1?
  25. thats what im get in scan. thats is normal?...

    thats what im get in scan.
    thats is normal?
    16198
  26. i added Wire1.begin(); in setup but its still not...

    i added Wire1.begin(); in setup but its still not start my screens
    im trying to change the using u8g2 lib insted and alsoo display commend but its not working.
  27. Need basic help using TCA9548A Multiplexer and teensy 3.6

    hello
    my adafruit TCA9548A arrived and i connected it to SDA1 SCL1 pins 37,38 on teensy.
    i run i2c scanner and i find the address 0x70 under WIRE1.
    im trying to run 8 oled screen 128x64 connected...
  28. Tnx for your replay Paul That's the button I...

    Tnx for your replay Paul
    That's the button I ordered
    I noticed the more I press Herder more the resistance decrease but not more then 80 ohms
    I think I just gonna try replace 1 button to see what...
  29. push buttons with 100 ohm resistance and teensy

    hello
    i got package with new small tactical silicon push buttons for my project and i figure out that they dont give 0 resistance when i push the button under measurement.
    its give me 100 ohm.
    (my...
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    UPDATE: i read the pid artical and i think i...

    UPDATE:
    i read the pid artical and i think i understand most of it and good thing to know a bit more about.
    so i did a lot of test with the pid and my problem.
    i can say that that pid work great...
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    thank you that looks like good artical.

    thank you that looks like good artical.
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    PID sample rate

    hello
    im reading about pid code and sample rate calculation.
    and i wonder how do i change sample rate in the code for pid?
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    i guess the problem is not in pid coz I try to...

    i guess the problem is not in pid coz I try to send parameters in FOLLOW mode and its still not going to the exactly correct point when jump to start point But I'll dig it
    thank you.
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    here is another video of a test here u can see...

    here is another video of a test
    here u can see im set the start point to 0 witch in my case is 1023.
    like u can see the fader get the movement commend ok but when i jump to start u can see in...
  35. Replies
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    i test all values in serial print and its looks...

    i test all values in serial print and its looks ok the send value from master and the recive value in slave.
    so its nothing i can think of.
    maybe should i add some check error commend to check if...
  36. Replies
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    U can see in the video that faders 1-4 found the...

    U can see in the video that faders 1-4 found the same thing in the program that means that that send the same values but the fader controller act difrent when I'm jump to point. I test high P gain...
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    Here is a video of the problem ...

    Here is a video of the problem

    https://youtu.be/5psz8AAO16Y
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    All so sometimes in aoutomation reading the when...

    All so sometimes in aoutomation reading the when faders got very hard commend of hard jump
    Sometimes one of the faders got crazy for a sec and then keeps go back to position and keep the right...
  39. Replies
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    U right first I'll go read the article. I'll try...

    U right first I'll go read the article.
    I'll try to explain the problem:
    I'm sending 8 faders automations move commend from the software. When I press play all the faders go the position and moving...
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    hi gerrit all faders moving well but i see that:...

    hi gerrit
    all faders moving well but i see that: when they jump to position, not all of them jump to the right place, but once they get the move commend all of them jump to the right place and...
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    thank you Theremingenieur now its more clear. i...

    thank you Theremingenieur now its more clear.
    i didnt find the teensy schematic but ill check it out.
  42. Replies
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    teensy3.6 3.3V amper

    hello
    i wonder what is the amper limit of the 3.3v pins in teensy 3.6?
    i read in instruction pinout page that the max is 250ma but its mention only for the 3.3V pin near pin 23.
    what about the...
  43. Replies
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    Here is a video of automation test to read and...

    Here is a video of automation test to read and write faders:
    https://m.facebook.com/groups/246767148755072?view=permalink&id=2112554192176349
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    I orders adafruit original it really more...

    I orders adafruit original it really more expensive but I must it for my project.
    I'm gonna connect it to 3v VIN.
    Did u use allso external pullup resistor and allso used the pullup thats comes on...
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    i switched to 3.3 v VIN and still nothing on...

    i switched to 3.3 v VIN and still nothing on scan.
    all SDA SCL on tca ar 3.3 v.
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    i gets 3.3v now on SDA SCL PINS i cut the...

    i gets 3.3v now on SDA SCL PINS
    i cut the pullups trace on tca board.
    i use 2k2 external resistor from SDA SCL to 3.3v on teensy .
    and the scan still like the pic above.
    im still running 5 v on...
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    ok so i cut it and now the pins SCL SDA getss...

    ok so i cut it and now the pins SCL SDA getss 3.3v
    i scan again and all i get is 0x00 and 0x66
    0x66 thats my other device still not getting this 0x7016112
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    i found the trace on the adafruit of pullups its...

    i found the trace on the adafruit of pullups its have two 2k2 resistors to the 5v.
    should i cut them? and should i use external resistors 2k2 to 3v (witch is allredy conected)?
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    i read a bit about the tca now and i tryd go for...

    i read a bit about the tca now and i tryd go for 2k2 pullup resistors now the voltage on tca SCL SDA is 3.6 volt.
    and i still dont see it on any scan i tryd.
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    so i test with out the other device and i get in...

    so i test with out the other device and i get in test 0x00 in all ports i measure the voltage of scl sda of my other device and its 3.3v.
    im preaty afraid to add more 3.8 volts to the tca.
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