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Type: Posts; User: Brendon Shaw

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  1. TFT 1.54" Teensy 3.6 Bitamp from SD card wrong colour

    I am trying to get the Adafruit 1.54" 240x240 Wide Angle TFT ST7789 working with a Teensy 3.6, using the Adafruit library, by reading the bitmaps from the SD card but colours on the screen do not...
  2. TFT ST7789 - convert SPI9 to DMA transfer (Teensy 3.6)

    I have an odd display which uses a modified ST7789 driver to support SPI9 but to update the display is quite slow. I am using an Teensy 3.6 and running the example DMASpi...
  3. Teensy 3.2 SPI DMA Transfer (DmaSpi example) SPI1 error

    I am using the DmaSpi (see link below) working on a Teensy 3.2, but getting this error message. It will complie for a 3.6 and LC, but I don't have one of these devices.

    Can this libarary use used...
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    I found out the problem, it was the picture...

    I found out the problem, it was the picture conversion removing all the layers from the bitmap it was odd as I saved it all from Photoshop reduced the picture size and it removed the layers. So all...
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    Was there was a finial fix to this problem, I...

    Was there was a finial fix to this problem, I have implimented the above changes but still have a problem reading in BMP files on a 3.6 with a 7735 display? I still get the following error, with a...
  6. Was there a fix for this issues, I am trying to...

    Was there a fix for this issues, I am trying to get a ST7735 working with an Teensy 3.6. I am getting the same error and have modified the code as above, but still having the same problem.

    What/if...
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    ILI9163C 128x160 display driver

    I am trying to get an ILI9163C 128x160 display working, I am using the TFT_ILI9163C.h libary and Teensy 3.1. I am currently using the example code, but getting a random colour border at the top of...
  8. Would it be possible to use the online mbed...

    Would it be possible to use the online mbed compiler with the Teensy and CMSIS-DAP board?
  9. Thanks for all the information, I have to say I...

    Thanks for all the information, I have to say I am still confused but starting to understand more. May I need to go on a training course or lot of reading on the processor and development platforms.
  10. Teensy MK20DX256 - in circuit debugger or programmer

    I have a project which I would like to move from Arduino IDE to the mbed enviroment and just wondering if anyone could recommend any in circuit debugger or programmer which I could use? There seem to...
  11. Paul, you are a superstar fixed the issue. Still...

    Paul, you are a superstar fixed the issue. Still do not trust the display driver so something to fixed properly for the future. Many thanks
  12. Teensy with BLE and OLED muliple SPI devices - display not working

    I have two projects which I would like to merge together, 1) Adafruit BLE nRD8001 2) 0.96" OLED display. Both boards wired to the Teensy work fine, with code sketches work fine but when I merge the...
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    Thanks for all the help, I managed to fix it by...

    Thanks for all the help, I managed to fix it by reinstalling the lib and adding a delay in the start up. Still not quite sure what was the really problem, but it's now fixed.

    Another potential...
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    Yes I have added the pull up 4.7k to 3.3 on both...

    Yes I have added the pull up 4.7k to 3.3 on both lines. This is copy of the code, it's the standard code from adafruit but I think it crashes the teensy as I do no get any serial prints our


    ...
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    This is the link to the lib ...

    This is the link to the lib

    https://github.com/adafruit/TSL2561-Arduino-Library
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    tsl2561 arduino Lib crashing teensy

    I am using a tsl2561 light sensor with the adafruit lib, but it crashs the teensy code. I think the problem is the need to use events and process.

    Can anyone recommend a fix or straight driver for...
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    Teensy STEM BLE Project

    I am looking at developing a project to support our STEM projects in local schools. We have been using raspberry Pi, but we have connectivity problems at the school networks due to security...
  18. I used a mems mic, got some really good...

    I used a mems mic, got some really good performance and FFT results. Not had time to really get it going and test/calibrate it but plan to kick off some more testing. The only thing I was looking at...
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    Gernal code development and reflashing

    I think the teensy board is amazing and I want to port an atmel CAN project to teensy, but I do not want to use the arduino ide. I have used the avr studio and like the abilty to structure code and...
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    I have the following setup Teensy ...

    I have the following setup
    Teensy Arduino Yun
    12 ------- MOSI ----------- 4
    13 -------- CLK ----------- 3
    11 -------- MISO --------- 1
    10 --------...
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    I was wondering if I need a pul up resistor on...

    I was wondering if I need a pul up resistor on the CS line, may be something with the Yun hardware. I have a look and let you know how it goes
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    just to let you know teensy 3.1 working okay as a...

    just to let you know teensy 3.1 working okay as a SPI slave, have an odd issue with the CS line having to be held contantly low but it's all working okay
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    Teensy SPI Slave CS

    I am using the Teensy SPI code (https://github.com/btmcmahan) and it's working and transferring data from an Yun to the Teeny 3.1. The odd thing is th CS has to be held peramently low and switch the...
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    Many thanks for such as detailed response and I...

    Many thanks for such as detailed response and I should have add some more detail on the potential project. I have always been interested in sound and understand sound patterns & wanted to build an...
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    Teensy 3.1 audio board - calibration

    I have everything running with the amazing teensy & audio board and have the fft code running. I am clearly see values and changes within the right freq bands.

    The question is the values and the...
  26. Teensy 3.1 Audio Adapter Board - what microphone?

    Could anyone recommend a microphone to be used with the Teensy 3.1 Audio Adapter Board? I want to use it in a room to detect/monitor so not sure if to use a electret microphone something like this:
    ...
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    Teensy 3.1 max FFT frequency

    I am just starting to understand the Teensy 3.1 board and want to use it for audio FFT sound analyzer board. The question is what is the maximum frequency it will support? Ideally I want to use it...
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