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    @PaulStoffregen MacBookPro8,2 early 2011 4Gb...

    @PaulStoffregen
    MacBookPro8,2 early 2011 4Gb ram, i7 2.2GHz, osx 10.14.6, arduino 1.8.9, td1.48beta1

    first run
    attempt 1: 5m30s 40% cpu load arduino
    attempt 2: 30s 40%
    attempt 3: 1m35s 40%...
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    @dimitre The PCF8574 INT pin is open drain, so...

    @dimitre
    The PCF8574 INT pin is open drain, so it also needs a pullup resistor. Any value between 4k7 & 10k should do it.
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    @KurtE Found them available in single...

    @KurtE
    Found them available in single quantities, shipping from china:
    https://www.buydisplay.com/default/led-backlight-driver-ic-chip-pt4110-in-sot-89-5-package...
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    @KurtE If you short J15 and open J16 and then...

    @KurtE
    If you short J15 and open J16 and then connect pin15(BL_CONTROL) to 5V, the backlight turns on as soon as you power the display.
    If the backlight then shows the same behaviour when you power...
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    @mjs513 I changed getGesture() to track the...

    @mjs513
    I changed getGesture() to track the screen rotation and also made a new example sketch. It demonstrates swiping and pinching. Screen can be rotated by touching it with 3 fingers.
    PR send....
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    @KurtE rectification: The cap is a 10uF 16V...

    @KurtE
    rectification:
    The cap is a 10uF 16V tantalium capacitor. It is connected between 5V and GND, the led driver circuit is powered by the 5V rail.
    orientation:
    with your pic as reference, the...
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    @KurtE First you need to carefully desolder the...

    @KurtE
    First you need to carefully desolder the cap and remove burned residues from the pcb with some solvent, I usually use isopropyl alcohol.
    Then next thing to do is to measure for continuity...
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    @KurtE Ouch, it looks you might have powered...

    @KurtE
    Ouch, it looks you might have powered your display with the wrong polarity. C26 is part of the backlight driver circuit and is connected between GND and the 3.3V rail. Electrolytic capacitors...
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    @mjs513 The 5th touch point coordinates for the...

    @mjs513
    The 5th touch point coordinates for the FT5206 are wrong.
    Fixed it and send you a pull request.
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    @KurtE Just want to confirm that this indeed...

    @KurtE
    Just want to confirm that this indeed makes a difference.
    My initial test had the 4.3" display plugged straight in my T4 protoboard and it worked without these settings.
    After adding a...
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    @kurtE In my humble opinion it is not worth it....

    @kurtE
    In my humble opinion it is not worth it. Why use 2 different touch technologies unless you have them in your parts bin. If it was for a new project I would definitely use identical screens.
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    @Alan You just need to insert...

    @Alan
    You just need to insert AudioEffectEnvelope between AudioMixer4 and AudioOutputI2S. Then you trigger it with noteOn and noteOff in stead of adjusting the volume of your oscillators.
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    @DaQue 4.3" lcd pulled to gnd CS 330uA SDI...

    @DaQue

    4.3" lcd pulled to gnd
    CS 330uA
    SDI 330uA
    SCLK 330uA
    4.3" lcd pulled to 3.3V
    CS 1uA
    SDI 1uA
    SCLK 1uA
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    If you want to tackle the 1mm SDIO pads, i would...

    If you want to tackle the 1mm SDIO pads, i would suggest the following tools:

    1.2mm conical chisel tip for your soldering iron, anything bigger and you won't be able to solder one pad without...
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    Rest assured that everything I solder I first...

    Rest assured that everything I solder I first check optically with a 9x magnifier and then electrically with a multimeter for shorts and continuity. Before I even think of powering the circuit.
    ...
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    My 4.3" display works perfectly with T4, without...

    My 4.3" display works perfectly with T4, without the fastio setup.


    That's because the RA8875 CS, SDI and SCLK inputs each have a 10k pull up resistor to 3.3V(R1, R3, R3, respectively). So the...
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    @mjs513 T4 is powered by usb, 7" display is...

    @mjs513

    T4 is powered by usb, 7" display is powered by an external 5V psu. RST is connected.

    Adjusting drive strength and speed to
    uint32_t fastio = IOMUXC_PAD_DSE(6) | IOMUXC_PAD_SPEED(1);...
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    I think that's a good idea. Managed to make...

    I think that's a good idea.

    Managed to make both the 4.3" & 7" work with T3.6.
    Max spi speed is 18MHz for both displays. Faster and the output on the screen is corrupt.

    The 4" with T4 runs at...
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    @KurtE I've send you a pull request for a bug...

    @KurtE
    I've send you a pull request for a bug fix in the drawLineAngle() function. It would not work if "length" was lager than "start".
    I also modified the drawLineAngle_example.ino to verify the...
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    Same here. Got the 4.3" 800x480 working with...

    Same here.
    Got the 4.3" 800x480 working with KurtE's multi version without a hitch.
    Today I tried the 7" 800x480 and it refused to work. Pinout is exactly the same so it should be a drop in...
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    If you look at the component side, sd card to...

    If you look at the component side, sd card to your right and JP1 to your left, pin1 is top left.

    lcd pin5 -> t4 pin10, CS - CS
    lcd pin6 -> t4 pin12, SDO - MISO
    lcd pin7 -> t4 pin11, SDI -...
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    @KurtE @mjs513 @pd0lew I wanted to thank you...

    @KurtE @mjs513 @pd0lew
    I wanted to thank you guys for making this lib work on the T4.
    Received my displays this morning. Hooked up the 4.3" and it is up and running.

    Used this branch,...
  23. I have zero experience with FL Studio but here...

    I have zero experience with FL Studio but here are a fews suggestions to try to narrow down the source of the problem.
    First, remove the usb hub from your setup. Does the problem still occur?
    If...
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    I've checked the datasheets of every RA8875 lcd...

    I've checked the datasheets of every RA8875 lcd from BuyDisplay. They all without exception have a WAIT pin.

    Displays with integrated capacitive touch controller have a 40pin connector for...
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    serialmon_speedup_8th_try.zip

    MacBookPro8,2 early 2011 4Gb ram, i7 2.2GHz, osx 10.14.6, arduino 1.8.9, td1.47

    I managed to install Mojave on my 3th machine, which is NOT supported by Apple.
    Everything freshly installed.
    ...
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    @mjs513 Just received my shipment notification.

    @mjs513
    Just received my shipment notification.
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    Same here. Ordered 48h ago and the order is still...

    Same here. Ordered 48h ago and the order is still processing.
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    I am sure it is the new version since I ran it...

    I am sure it is the new version since I ran it straight from the download folder.
    iMac27-i5:~ xxx$ cd /Users/xxx/Downloads
    iMac27-i5:Downloads xxx$ ls -l teensy_serialmon
    -rwxr-xr-x@ 1 xxx staff...
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    Yes, it is still running. Activity Monitor is...

    Yes, it is still running. Activity Monitor is showing teensy_serialmon at 0%. When closing teensy_serialmon, it disappears from the Activity Monitor list.


    It also stops printing in the terminal....
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    serialmon_speedup_7th_try.zip - teensy_serialmon_macintosh.zip

    Ran the test on 2 Macs,
    iMac 2011 24GB ram, osx 10.13.6, arduino 1.8.9, td1.47
    MacBook Pro, early 2011, i7 2.0GHz, 8GB ram, osx 10.12.6, arduino 1.8.9, td1.47

    The results are identical to my...
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    serialmon_speedup_7th_try.zip

    iMac 2011 24GB ram, osx 10.13.6, arduino 1.8.9, td1.47

    Plugin t4 with usb_serial_print_speed.ino already flashed.
    Open arduino.
    Open the serial monitor, sometime later it will stop printing...
  32. I just noticed that you are using AudioOutputUSB....

    I just noticed that you are using AudioOutputUSB. You mentioned nothing about usb. Please be more specific about your setup. What Teensy? How is it wired to the A70 and other devices? The more...
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    Thanks for taking the pictures. I took the path...

    Thanks for taking the pictures.
    I took the path of least resistance and ordered both.:)
  34. If you want to output dc from the audioshield,...

    If you want to output dc from the audioshield, you need to bypass(short) the output capacitors of the line outputs. They act as a high pass filter.
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    @ pd0lew So that leaves us with two options,...

    @ pd0lew
    So that leaves us with two options, 4.3" and 7". Price difference is only $5.50.
    Don't know which one to choose. I'm afraid the 4.3" will be too small for my poor eyes and the 7" too big...
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    It was on Mac.

    It was on Mac.
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    Same here. Even when nothing is send over serial...

    Same here. Even when nothing is send over serial usb, the 5th time opening serialmon throws above exception
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    I can answer your second question. There are many...

    I can answer your second question. There are many sources, just search for "screw terminal 2.54mm".
    This is one of them:
    https://www.pololu.com/category/177/0.1-2.54-mm-screw-terminal-blocks
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    serialmon_speedup_6th_try.zip

    Mac 2011 24GB ram, osx 10.13.6, arduino 1.8.9, td1.47

    Plugin t4 with usb_serial_print_speed.ino already flashed.
    Open arduino.
    Open the serial monitor, sometime later it will stop printing...
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    Yes, I forgot to mention. I did a quick test...

    Yes, I forgot to mention. I did a quick test before the 3 mentioned above and before my morning coffee. I got those message only the first time I opened arduino after replacing pde.jar.

    Exception...
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    serialmon_speedup_5th_try.zip

    iMac 2011 24GB ram, osx 10.13.6, arduino 1.8.9, td1.47

    Repeated the following procedure 3times.
    <
    Plugin t4 with usb_serial_print_speed.ino already flashed.
    Open arduino.
    Open the serial...
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    serialmon_speedup_4th_try.zip

    iMac 2011 24GB ram, osx 10.13.6, arduino 1.8.9, td1.47

    Plugin t4 with usb_serial_print_speed.ino already flashed.
    Open arduino.
    Open the serial monitor, sometime later it will stop printing...
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    Tested on a third machine, with different os....

    Tested on a third machine, with different os.
    MacBook Pro, early 2011, i7 2.0GHz, 8GB ram, osx 10.12.6, arduino 1.8.9, td1.47.
    Same behaviour as on the iMac.

    Exception in thread "Thread-30"...
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    Tested on a second machine, MacBook Pro, early...

    Tested on a second machine,
    MacBook Pro, early 2011, i7 2.2GHz, 4GB ram, osx 10.13.6, arduino 1.8.9, td1.47
    Same procedure, no exceptions thrown, but the the serial monitor did stop about 3 times,...
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    serialmon_speedup_3rd_try.zip

    iMac 2011 24GB ram, osx 10.13.6, arduino 1.8.9, td1.47

    Plugin t4 with usb_serial_print_speed.ino already flashed.
    Open arduino.
    Open the serial monitor, anywhere between 1sec and 5min later it...
  46. Since I don't have a Teensy2, I tested this on a...

    Since I don't have a Teensy2, I tested this on a Teensy3.6 connected to an iMac and it happily spits out a note every beat when LogicPro is running.

    Did you select USB type -> midi under the...
  47. A few remarks, Your use of the for loop is...

    A few remarks,

    Your use of the for loop is completely wrong. Condition instead of initialisation, no increase.
    And instead of the for loop you should have used an if statement....
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    You are looking for "round pin header" or...

    You are looking for "round pin header" or "machine pin header".
  49. The internal pull-ups are probably too weak for...

    The internal pull-ups are probably too weak for the job, so add external pull-ups. I usually use 10k resistors for mechanical encoders which are meant to be turned by hand. In your case something...
  50. The datasheet clearly states that the outputs are...

    The datasheet clearly states that the outputs are open collector and will not output any voltage without a pull-up resistor.
    You can safely power your encoder with 9V, connect the each output to...
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