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  1. Well I'm glad everything worked out :) In case...

    Well I'm glad everything worked out :)
    In case you find this useful you can also control OLED brightness with this hack:

    void setup() {
    display.begin(SH1106_SWITCHCAPVCC, 0x--); // initialize...
  2. Let's make this easier. New updated library:...

    Let's make this easier.
    New updated library: 29236

    This is the test code i use:

    /*********************************************************************
    This is an example for our Monochrome...
  3. Ok I just got back from work. Here is the fix...

    Ok I just got back from work.
    Here is the fix for compile issues for all Teensy models (2.0 to 4.1 + MicroMod).

    In file Adafruit_SH1106.h edit this:

    // #ifdef __SAM3X8E__
    // typedef volatile...
  4. Interesting this seems to compile on Teensy 4.1...

    Interesting this seems to compile on Teensy 4.1 with no issues.
    Teensy 3.x compile issues.


    /*********************************************************************
    This is an example for our...
  5. Try this Library:29234 You may have to edit the...

    Try this Library:29234
    You may have to edit the Adafruit_SH1106.h file with correct I2C Address.

    #define SH1106_I2C_ADDRESS 0x3C // 011110+SA0+RW - 0x3C or 0x3D
    // Address for 128x32 is 0x3C...
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    try digitalWriteFast(CYCLE_TIME, cycle);

    try digitalWriteFast(CYCLE_TIME, cycle);
  7. (INAdj) External resistor to ground that sets the...

    (INAdj) External resistor to ground that sets the trip levels of both channels. Functions for both diagnostic and normal mode. See datasheet:...
  8. You can use old stepper motor from old printer or...

    You can use old stepper motor from old printer or floppy disk drive head track position and cordless drill:D
    Only use the two wires out of the four on stepper motor.
  9. A variable reluctance sensor (commonly called a...

    A variable reluctance sensor (commonly called a VR sensor) is a transducer that measures changes in magnetic reluctance.

    Interface circuits
    VR sensors need waveform shaping for their output to be...
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    I am not sure how to do it either but maybe I can...

    I am not sure how to do it either but maybe I can steer you in the right direction at least.

    Teensy 4.1 PIN #10 GPIO_B0_00 see schematic.
    The issue is I cannot pass argument(!) to IOMUXC_PAD_SRE...
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    I actually think you are missing one important...

    I actually think you are missing one important piece of code for accessing RTC in the Teensy microcontroller in void setthetime(void).

    void setthetime(void)
    {
    int Year = gps.date.year();
    ...
  12. Hello World or shall I say hi all.. ;) Post#1078...

    Hello World or shall I say hi all.. ;)
    Post#1078
    I personally would vote for (d) xd:rolleyes:
    @KurtE all my ILI9341 TFT projects are based on your library, no screen flickering with the buffer I...
  13. Well thank you guys for the confirmation and...

    Well thank you guys for the confirmation and thanks for the hell of a job you guys are doing here ;).
    I am using this for easy file transfer between PC and my own build ATARI hard drive emulation...
  14. Hi all been awhile. Just updated to the newest...

    Hi all been awhile.
    Just updated to the newest Arduino-1.8.18 and TD1.56#B4.

    I'm running into a weird MTP issue seems to be smaller size file related less than 512 bytes :confused: ( 371 bytes )...
  15. Hi You can find more information in this link:...

    Hi
    You can find more information in this link: PWM Resolution (Teensy LC, 3.0 - 3.6, 4.0, 4.1).
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    Holy cow this is interesting I wish I had less...

    Holy cow this is interesting I wish I had less projects :D
    I need 120ns or faster for my vintage Atari ST/e. :cool:
  17. I think you are confused how this Tme Library...

    I think you are confused how this Tme Library works. See Time Library: https://www.pjrc.com/teensy/td_libs_Time.html
    It's just basically software clock implementation with easy to use commands,...
  18. Here is nice Transactional SPI configuration...

    Here is nice Transactional SPI configuration example right in the middle of the page.:)
  19. Thread: SPISlave_T4

    by Chris O.
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    Oh this is looking good :rolleyes: I am...

    Oh this is looking good :rolleyes:
    I am wondering if I can use this to spy on my vintage Atari 1040 STE Microwire Interface (LMC1992 IC).
  20. You really need to look into the Teensy 4.x MCU...

    You really need to look into the Teensy 4.x MCU datasheets, check this thread Post #4 by PaulStoffregen it has a lot of information: Port and toggle question T4
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    Is the github project files link broken I am...

    Is the github project files link broken I am getting 404 page not found ?
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    Well 1985+ Atari 8-bit computers seem to be using...

    Well 1985+ Atari 8-bit computers seem to be using 65C02 CPU code name Sally not to be confused with 6502C, Sally was a customized 6502 chip used in later Atari 8-bit computers.
    It has a HALT signal...
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    Interesting:) While I didn't look into the...

    Interesting:)
    While I didn't look into the details yet and I need to get some rest for tonight, will this work on Atari 130XE ?
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    Use Global Pin Control Low Register (PORTx_GPCLR)...

    Use Global Pin Control Low Register (PORTx_GPCLR) :https://forum.pjrc.com/threads/64970-Teensy-3-x-Global-Pin-Control-(Low-High)-Register-PORTx_GPCLR-PORTx_GPCHR-How-to
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    Happy holidays everyone and thank you for making...

    Happy holidays everyone and thank you for making this the best community. ;)
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    Who knows obviously seems like a code issue...

    Who knows obviously seems like a code issue perhaps you should show us the full code.
    Look up ^^^^^^ Forum Rule: Always post complete source code & details to reproduce any issue!
  27. As I was promising yesterday I came up with 8bit...

    As I was promising yesterday I came up with 8bit PORT D [D0 : D7] Global Pin Control Low Register (PORTx_GPCLR) Example. ;)

    /* PORTD [D0:D7] Global Pin Control Low Register (PORTx_GPCLR) Example....
  28. Well I've been messing with this some more and I...

    Well I've been messing with this some more and I think I know how this works finally.
    To set my D0 to D8 (8-bit) pins on Port D with 3-state logic which are defined as this:

    #define D7 5 //PTD...
  29. Teensy 3.x Global Pin Control (Low~High) Register; PORTx_GPCLR ~ PORTx_GPCHR How-to

    PORTx_GPCLR --- PORTx_GPCHR example:)
    So I'm looking for Teensy 3.x example; yes I've been on the interwebs Google blah blah blah.
    Basically I need to Tri-State (MUX(0) pin disable) several pins...
  30. Sounds like you are powering the Teensy 3.2 with...

    Sounds like you are powering the Teensy 3.2 with two power source at the same time. You need to separate VIN from VUSB if using external power supply at the same time.
    22711
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    @ WMXZ https://github.com/WMXZ-EU/MTP_t4...

    @ WMXZ
    https://github.com/WMXZ-EU/MTP_t4
    Missing preprocessor directives for Teensy 3.0/3.1/3.2/3.5 in MTP.h and MTP.cpp files.

    In MTP.cpp: about LINE #519 #if defined(__MK66FX1M0__)
    Replace...
  32. Well there's some issues in MTP.h and MTP.cpp...

    Well there's some issues in MTP.h and MTP.cpp files.

    In MTP.cpp: about LINE #519 #if defined(__MK66FX1M0__)
    Replace with: #if defined(__MK20DX128__) || defined(__MK20DX256__) ||...
  33. // T3.0 __MK20DX128__ // T3.1 - T3.2 ...

    // T3.0 __MK20DX128__
    // T3.1 - T3.2 __MK20DX256__
    // T3.5 __MK64FX512__
    // T3.6 __MK66FX1M0__

    #if defined(__MK20DX128__) || defined(__MK20DX256__) || defined(__MK64FX512__) ||...
  34. This looks like it's missing define for teensy...

    This looks like it's missing define for teensy 3.1/3.2 :confused:
  35. What you need is Bill Greiman`s library...

    What you need is Bill Greiman`s library SdFat-beta Version 2.

    It's been awhile since I use MTP but I had to compile the code at 450 MHz CPU speed in order for this to work on Windows 10 and TENSY...
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    Use Magnetoresistive RAM (MRAM). MRAM has...

    Use Magnetoresistive RAM (MRAM).
    MRAM has unlimited endurance and infinite Read/Write cycles; FRAM Reads are destructive and eventually lead to wear-out.

    Everspin MRAM is available in a...
  37. By default the SPI CLOCK speed = 30000000 Mhz...

    By default the SPI CLOCK speed = 30000000 Mhz (LED pin)

    void setup()
    {
    tft.begin(); will use the default SPI CLOCK @ 30000000 MHz.
    }

    I believe KurtE provide the possibility to override...
  38. Just got 14 PSram chips on My Way. Big thanks to...

    Just got 14 PSram chips on My Way.
    Big thanks to you Michael for this info. :D
  39. Yes but you have to edit files: in ...

    Yes but you have to edit files:
    in ............\hardware\teensy\avr\cores\teensy4\usb_desc.h
    and in ....... \hardware\teensy\avr\boards.txt

    NOTE: USB AUDIO has USB HID class Serial included
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    Try: Serial1.end(); Serial2.end();...

    Try:
    Serial1.end();
    Serial2.end();
    Serial3.end();
    then
    pinMode(Pin, OUTPUT);
  41. Try this for a quick test: ...

    Try this for a quick test:

    //============================================================================
    // SdFat version 2.0.0 BETA ONLY...
  42. in void setup() { } if...

    in void setup() { }

    if (!sd.begin(SdioConfig(FIFO_SDIO))) { // SdFat.h Ver 2.0.0 Beta
    Serial.println("m.SD initialization failed!");
    } else {
    Serial.println("m.SD initialization...
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    A couple of days ago I did post Teensy 4.1 3D CAD...

    A couple of days ago I did post Teensy 4.1 3D CAD files in this thread: 3D Cad for Teensy 3.5 and 3.6
    Perhaps this will help people find additional 3d formats.
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    @ luni Unfortunately that's not possible with...

    @ luni

    Unfortunately that's not possible with DesignSpark Mechanical free version, you can only do this with SpaceClaim Engineer.

    With SpaceClaim Engineer, not only do you get the intuitive and...
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    Hi luni. I see what I can do but it's getting...

    Hi luni.

    I see what I can do but it's getting too late tonight ( 3:13am ) I got to be up in the morning.
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    Okay so here I am releasing my 3d files in couple...

    Okay so here I am releasing my 3d files in couple formats, note this is my first experience in 3d software.
    All created with DesignSpark Mechanical version 3.
    MIT License:
    2031820319
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    Hey guys I'm about to release my Teensy 4.1 3D...

    Hey guys I'm about to release my Teensy 4.1 3D Cad Files just need to adjust few things on the bottom.
    Quick preview:
    20307
  48. Frank you stole my idea;) I am in United States...

    Frank you stole my idea;)
    I am in United States but the post office so slow I order one from East Coast Adafruit NYC.
    ESP32-WROVER-B Module - ESP32 with PSRAM Module
    20202
    I was jealous of you...
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    Well I'm having issues ordering one Teensy 4.1...

    Well I'm having issues ordering one Teensy 4.1 and two PSRAM, under the payment I can type the credit card number no problem but as soon as I click - Place This Order Now
    this shows up in...
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    Yeah something like that I was comparing files...

    Yeah something like that I was comparing files with Teensyduino 1.51 and Teensyduino 1.52 beta4.

    Here is a PMF Player SdFat v2 BETA + DMAMEM Buffer + Audio USB example.
    pmf_player_2_minimum.zip...
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