Forum Rule: Always post complete source code & details to reproduce any issue!

Search:

Type: Posts; User: Frukost

Search: Search took 0.00 seconds.

  1. OK, so everything is working fine now, thanks to...

    OK, so everything is working fine now, thanks to your guidance!

    The circuit is wired for software SPI, but codewise the hardware SPI constructor (U8G2_SSD1309_128X64_NONAME0_F_4W_HW_SPI...
  2. I wouldn't even begin troubleshooting the memory...

    I wouldn't even begin troubleshooting the memory card code before getting rid of these.
  3. The optocoupler in the midi specification should...

    The optocoupler in the midi specification should handle the midi data from a beatstep fine. Interestingly, i have a similar project connecting a beatstep and an arduino due which is slower...
  4. Thanks, that's really helpful. I see that you...

    Thanks, that's really helpful.

    I see that you used the software spi constructor. I'll see if i can make the hardware equivalent work too.
  5. Thanks for your replies. I think i know enough to...

    Thanks for your replies. I think i know enough to try things out from here.
  6. I provided a link to a photo of the display in my...

    I provided a link to a photo of the display in my first post. The full page is (in swedish): https://pchbutik.se/display/1552-oled-display-242-tummed-128x64-vita-pixlar-spi-ssd1309.html. I should...
  7. Thanks for your reply, i see your point. I...

    Thanks for your reply, i see your point.

    I looked into it some more, and found that the store from where i bought it refers to the U8G2_SSD1309_128X64_NONAME0_F_4W_SW_SPI constructor in the u8g2...
  8. How do i connect an SPI SSD1309 display to a T4.0?

    OK, so i want to connect a SPI SSD1309 display to my T4.0 board (data sheet here), and wanted to ask some things:

    Apart from Vcc and GND, will it be enough to connect the displays SDA pin to MOSI...
  9. Replies
    10
    Views
    1,062

    For clarification, i can swap a 6n138 for a 6n139...

    For clarification, i can swap a 6n138 for a 6n139 with no extra modifications to the circuit (https://www.pjrc.com/teensy/td_libs_MIDI.html)?
  10. Thanks Mark

    Thanks Mark
  11. (Sorry if i'm stealing the thread, but i hesitate...

    (Sorry if i'm stealing the thread, but i hesitate to start a new thread on a similar topic...)

    It seems like 6n138 are out of stock everywhere. Can i replace it with a 6n139, and if so, do i need...
  12. Replies
    5
    Views
    554

    I completely oversaw the on/off feature, so...

    I completely oversaw the on/off feature, so thanks for bringing my attention to it!

    I'll take a look at the code you linked, but until then i suppose connecting a momentary switch should be...
  13. Replies
    5
    Views
    554

    Power switch for a 4.0 board

    I want to power my 4.0 board with USB, and am planning to use a power switch for my build so that i can keep the board connected without plugging/unplugging the cable all the time. Right now, i'm...
  14. Thanks for your quick reply! So by default...

    Thanks for your quick reply!

    So by default Vin is an 5V output? No wonder i'm confused :p.
  15. Can i power a MIDI in/out circuit with the teensy alone?

    I am planning on building a teensy 4.0 midi circuit, and have been looking at the info at https://www.pjrc.com/teensy/td_libs_MIDI.html.

    However, i wanted to ask about the power supply. In the...
Results 1 to 15 of 15