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

Search:

Type: Posts; User: Rawi

Search: Search took 0.00 seconds.

  1. Replies
    1
    Views
    156

    ADC intern reference voltage on teensy 4

    Hi!
    I work on a project for the school and i wanna use the ADC on T4, i found out that the Vref for the ADC is VDD? is it any other possibilities to VDD/2 or smaller?

    Thanks in advance!
  2. Replies
    4
    Views
    259

    Then it will be fine, thanks GremlinWrangler!

    Then it will be fine, thanks GremlinWrangler!
  3. Replies
    4
    Views
    259

    Hi GremlinWrangler! I think it will be 400...

    Hi GremlinWrangler!

    I think it will be 400 KB/m writing rate(using Class 10 Ultra SDHC) data logging, is it better to have Voltage regulator from 5V to 3V3 or the T4 can deliver 100 mA to the...
  4. Replies
    4
    Views
    259

    Using 3V3 pin on T4

    Hi!
    I am using an extern microSD card with teensy 4, can i use the 3V pin(3V3 250 mA max) as vcc for the micro SD card?
  5. Replies
    5
    Views
    224

    Hi balckketter! The reason is actually the...

    Hi balckketter!

    The reason is actually the placement of those pins, I'm a new beginner in this field! I thought it would be easier to don't use the SD pins since it i use SPI to communicate with...
  6. Replies
    5
    Views
    224

    Hi RetroD! Thx for your tips. I don't need level...

    Hi RetroD!
    Thx for your tips. I don't need level shifter and the MISO is floating as you recommend!
  7. Replies
    5
    Views
    224

    Extern micro SD card on T4

    Hello!
    I'm using an extern micro SD on T4. I've tried to find out if i need to use pull-up/pull-down on the CS,MISO,MOSI and SCLK , currently I'm using pullup ( to 3V3) resistor on MISO only. Should...
  8. Thread: ADC schematic T4

    by Rawi
    Replies
    3
    Views
    278

    Thx for your tips! I will go for rail-to-rail...

    Thx for your tips!
    I will go for rail-to-rail op-amp voltage follower since it is very critical to read the data from the sensors.
  9. Thread: ADC schematic T4

    by Rawi
    Replies
    3
    Views
    278

    ADC schematic T4

    Hi everyone!
    I'm working on a race car project and i was wondering about the adc schematic for T4, I need to choose a capacitor for voltage divider so i need first to know the value of resistance of...
  10. Replies
    8
    Views
    5,933

    What is the internal voltage reference for teensy...

    What is the internal voltage reference for teensy 4?
Results 1 to 10 of 10