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  1. Replies
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    Hi Paul, Is there any change that the I2C bus...

    Hi Paul,
    Is there any change that the I2C bus will run on high speed at 3.4 MHz soon, for my projects it would be very nice to have!

    Thanks and best regards,
    Johan
  2. Two screens, a 5" with GSL1680 controller and a...

    Two screens, a 5" with GSL1680 controller and a 7" with FT5206 controller both displays are awesome.

    Johan24493
  3. Keith, please confirm if you have a E257834...

    Keith, please confirm if you have a E257834 display, because there are also 480x272 displays from Buydisplay.
    The font library is ILI9341_fonts-master and have the font Awesome.
    Best,
    Johan
  4. Hi Keith, do you have a 800x480 display? please...

    Hi Keith, do you have a 800x480 display? please look at the backside if it shows E257834 than you are good!

    Best,
    Johan
  5. Replies
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    Problem solved for this display on a Teensy4,...

    Problem solved for this display on a Teensy4, works perfect. I made a mistake to let the display run on 5V instead of 3.3V.

    Best,
    Johan
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    Dear group, My NHD-0420CW-Axx works perfect...

    Dear group,

    My NHD-0420CW-Axx works perfect with a Teensy 3.2, now I changed it for a Teensy4.0 and the display is not working. Are the Teensy's not compatible. The NHD is a SPI device and...
  7. The RA8875 5" with GSL1680 controller is quite...

    The RA8875 5" with GSL1680 controller is quite simple, build many projects with this RA8875 display.
    Best regards,
    Johan



    #include <SPI.h>
    #include <RA8875.h>
    #include <GSL1680.h>
    #define...
  8. Replies
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    Hereby the test sketch, know that the latest...

    Hereby the test sketch, know that the latest ILI9341_fonts-master must be installed.

    // test sketch for LolinD32 (ESP32)
    // Johan Holstein @2021
    #include <SPI.h>
    #include <RA8875.h>
    #define...
  9. Replies
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    Dear group, The RA8875 can now be used also...

    Dear group,

    The RA8875 can now be used also for the LolinD32(ESP32) and ESP8266 works out of the box it's not a Teensy but people must know.

    Works with the ILI9341 fonts as well I tried to...
  10. Replies
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    Hi Kurt, Wire and Wire2 works but Wire1 is...

    Hi Kurt,
    Wire and Wire2 works but Wire1 is failing...... I removed the Teensy from the board and connected directly with wires.... no differences.

    2441324414
  11. Replies
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    This was the error from Wire1.... ...

    This was the error from Wire1....


    13:24:18.417 -> Scanning(Wire1)...
    13:24:18.450 -> Unknown error at address 0x01MCR:1 MSR:2002001, MIER:0 MDER:0 MCFGR0:0 MDMR:0 MCCR0:1928373b
    13:24:18.450...
  12. Replies
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    Hi Kurt, group, Tested the T4.1 with the...

    Hi Kurt, group,

    Tested the T4.1 with the scanner and Wire is ok, Wire1 not found, Wire2 is ok it seems that the T4.1 has a defect. I will order a new one.

    Thanks for helping!
    Best regards,...
  13. Replies
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    Hi group, The Teensy 4.1 second I2C SDA1/SCL1 ...

    Hi group,

    The Teensy 4.1 second I2C SDA1/SCL1 bus is definitely not working , I connected several devices but nothing, however all the devices
    working on the first SDA0/SCL0.

    Did anyone...
  14. Replies
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    Hi Kurt, Thanks for that! I have the same...

    Hi Kurt,
    Thanks for that!

    I have the same problem for a display with I2C bus on a Teensy 4.1, while on SCL0 and SDA0 this works out of the box with the scanner and the device is found. On SCL1...
  15. Replies
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    Hi Kurt, group, Made the changes in the both...

    Hi Kurt, group,

    Made the changes in the both files and YES now it works.

    Thanks a lot for helping this was really a quick solution!

    Best,
    Johan

    // This example demonstrates continuous...
  16. Replies
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    Hi all, I used here a Teensy 4.1 with a...

    Hi all,

    I used here a Teensy 4.1 with a MAX31856 connected to SPI1 bus used MOSI1 pin 26, SCK1 pin 27, MISO1 pin 1 and CS1 pin 0.

    Also I did this as suggested by Kurt > ...
  17. Replies
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    Hi group, I noticed that the MAX31856 is not...

    Hi group,

    I noticed that the MAX31856 is not working on the SPI1 bus used MOSI1 pin 26, SCK1 pin 27, MISO1 pin 1 and CS1 pin 0, I need this pins because my RA8875 display is on SPI0.
    Is there a...
  18. Replies
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    Dear members, I have a problem with the awesome...

    Dear members,
    I have a problem with the awesome fonts, the #include "font_AwesomeF100.h" works perfect however when print some text then still the awesome fonts are actual. See attachment.

    Used...
  19. Replies
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    To complex for me :o Thanks anyway. Johan

    To complex for me :o
    Thanks anyway.
    Johan
  20. Replies
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    Hi Jurt, Thanks for the repley! I turn...

    Hi Jurt,

    Thanks for the repley!

    I turn every char in the Liberation_mono.ttf and convert it to .c but this is very time consuming.

    I think there must be a easier way perhaps on pixel level...
  21. Replies
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    This is what I mean for curved text.21350

    This is what I mean for curved text.21350
  22. Replies
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    Curved text on RA8875 display

    Hi all,

    For my newest power meter I like to print curved text on the display, so I like print the text in a curved position on my RA8875 display. I can change a liberation_mono.ttf say the...
  23. Replies
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    Hi all, There where two issues at my place...

    Hi all,

    There where two issues at my place first the level shifter was wrong and second I reversed TX and RX. Everything is working fine now.

    I feel a bit dumm and sorry for bothering the...
  24. Replies
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    Serial port on Teensy4.1

    Hi all,

    In my previous project with a Teensy 3.6 I used Serial port 4 at 2400 baud (Serial.begin(2400); Now I rewrite my program for a Teensy 4.1 and used Serial port 7, Serial7.begin(2400); This...
  25. Replies
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    Hi Paul, Thanks for coming back ... difficult...

    Hi Paul,

    Thanks for coming back ... difficult to explain in a few words.
    My radioberry is mounted as a cape on a raspberry pi4, the rpi loads the FPGA firmware called radioberry.rbf ...
  26. Replies
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    Hi Paul, Kurt and Mike, I there any change...

    Hi Paul, Kurt and Mike,

    I there any change that the Teensy4 can load my FPGA Cyclone CL025 ?

    Best,
    Johan
  27. Replies
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    Hi all, I like to start a new project for my...

    Hi all,

    I like to start a new project for my Radioberry, the radioberry has a FPGA Cyclone CL025 and I am wondering if the Teensy4 can load the FPGA.

    Perhaps someone can give some...
  28. Replies
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    Mike, Kurt, That did the job many thanks! Was...

    Mike, Kurt,

    That did the job many thanks!
    Was made for a small screen so some work to do for the RA8875 display.

    Take care,
    Best,
    Johan
    19415
  29. Replies
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    Hi Mike, Kurt, For me a bit difficult can you...

    Hi Mike, Kurt,

    For me a bit difficult can you look at the code and is it possible to adjust my code with your function see below.
    Compile works but not the drawBitmap.
    Thanks.



    ...
  30. Replies
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    Hi Mile, This not that easy I suppose please...

    Hi Mile,

    This not that easy I suppose please read below, is it not possible to use AdafruitGFX for the drawBitmap ?


    // draw a button on the screen

    void button(but bx){
    if (bx.draw ==...
  31. Replies
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    Hi all, For my hotplate controller and is...

    Hi all,

    For my hotplate controller and is made with a cheap RPI 9488 type display and a STM32 and works fine, I like to convert this to my fantastic RA8875 display but I use tft.drawBitmap but...
  32. Replies
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    @Kurt, Mike, All perfect with the new Awesome...

    @Kurt, Mike,
    All perfect with the new Awesome fonts,
    Thanks again.

    Best,
    Johan
    19234
  33. Replies
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    This works fine in a fresh sketch. I think I must...

    This works fine in a fresh sketch. I think I must look at my application.
    Thanks Mike!
    /*
    Explain the minimal setup and how to use instances...
    */

    #include <SPI.h>
    #include <RA8875.h>

    /*
  34. Replies
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    @Mike, It looks like something is wrong at my...

    @Mike,
    It looks like something is wrong at my site ... when running my application the Awesome fonts type font_AwesomeF100.h are scrolling over my RA8875 display.
    #include <font_AwesomeF100.h> No...
  35. Replies
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    Hi mjs, Kurt, I like to use the Awesome fonts for...

    Hi mjs, Kurt, I like to use the Awesome fonts for my RA8875 from buydisplay, I noticed that there are fonts for the ILI9341 display ... Font_Awesome_F000 and how I can use them?
    Thanks for helping,...
  36. Replies
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    https://mega.nz/#!63pWUARQ!-3peYGZNpFxMQJ88BoIIuoF...

    https://mega.nz/#!63pWUARQ!-3peYGZNpFxMQJ88BoIIuoF0ciIHZe2LPVy2CydxAq4
  37. Replies
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    Problems with the T4 and the second I2C bus, my...

    Problems with the T4 and the second I2C bus, my RA8875 touchscreen works on 19/18 pins perfect. I use a FT5206 controller, but on pins 16/17 the touchscreen is not working. When I use the scanner it...
  38. Replies
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    Thanks guys for the new Library!...

    Thanks guys for the new Library!
    https://www.youtube.com/watch?v=ldhHNIvPFIw&feature=youtu.be
    Best,
    Johan
  39. Replies
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    For the Teensy 4 I saw on PRJC web page frequency...

    For the Teensy 4 I saw on PRJC web page frequency input pin 22 and analog write on pin 23.
    I think this is not right.... on pin 8 and 9 this working, this a pity because I need pin 9 for something...
  40. Replies
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    Hi mjs513, Kurt, Why you not add the fonts to...

    Hi mjs513, Kurt,

    Why you not add the fonts to the RA8875/fonts dir. has that a reason?
    Best,
    Johan
  41. Replies
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    @Kurt, @mjs513, ...

    @Kurt, @mjs513,

    https://www.youtube.com/watch?v=X34qxH-2JwA&feature=youtu.be


    Best,
    Johan
  42. Replies
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    Hi Paul, Yes it compiles, now testing the...

    Hi Paul,

    Yes it compiles, now testing the stuff.

    Thank you like always.

    Best regards,
    Johan
  43. Replies
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    Perhaps nothing to do with the audio, there is...

    Perhaps nothing to do with the audio, there is something else that gives compile errors..
  44. Replies
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    When compiling I get this info : ...

    When compiling I get this info :

    /tmp/arduino_build_162599/sketch/CwDecoderLogic.h:210:42: note: in expansion of macro 'PSTR'
    *bp++ = MakeTableEntry(strcpy_P(fbuf, PSTR("........")), '\x7F');...
  45. Replies
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    Audio board

    The zip file with the project18460
  46. Replies
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    Ok but it's a big file can I use a zip file?

    Ok but it's a big file can I use a zip file?
  47. Replies
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    Audio board for Teensy4

    Hi all,

    I like to use my program for a Teensy 4.0 was used for a Teensy 3.2 and works.
    This is the code for the 3.2 but it gives compile errors on a T4 so what must be changed to get this working...
  48. Replies
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    Kurt, That's a pity because you design a nice...

    Kurt,
    That's a pity because you design a nice board but the Teensy need also input.... the most important part is than not added. Please consider this because the new T4 has not decent A/D input. ...
  49. Replies
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    Hi Kurt, Can you add also one or two AD's 12...

    Hi Kurt,

    Can you add also one or two AD's 12 bit to the board?
    Best,
    Johan
  50. Replies
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    Hi Kurt, Looks great! Best, Johan

    Hi Kurt,

    Looks great!

    Best,
    Johan
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