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Type: Posts; User: paoloboatto

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  1. Snooze library: Teensy 3.6 wakes up after few minutes without signals on input pin

    I'm using the Snooze library with a Teensy 3.6. I use the following code to set the microcontroller into hibernate status:

    digital.pinMode(WakeUpPin, INPUT_PULLUP, RISING);
    whoWakeup =...
  2. I found that there is a systematic jitter on the...

    I found that there is a systematic jitter on the signal; this is why I'm counting two falling fronts instead of one
  3. I check the time differences with arduino micros...

    I check the time differences with arduino micros function and compare with the oscilloscope's signal
  4. Teensy 3.6: interrupt configured for falling edges fires on both edges

    I'm working with Teensy 3.6 and I set the interrupt function with the following simple code:
    attachInterrupt(digitalPinToInterrupt(RPM_Pin), RPM_PulseTimeDifference, FALLING);
    I'm using a signal...
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    4,877

    I wish to mount a SD card holder on Teensy 4.0....

    I wish to mount a SD card holder on Teensy 4.0. The suggested connector (https://www.digikey.com/products/en?...=609-1788-1-ND) is obsolete and no more available, the standard card holder have a...
  6. It's about 2 years I'm using this solution...

    It's about 2 years I'm using this solution (change CPU speed) on my board with Teensy 3.6 used as a shield, and it works flawlessy, whatever GPS receiver I'm using
  7. It was the default 180MHz. To further investigate...

    It was the default 180MHz. To further investigate you can also change the SPI clock speed
  8. How to solve the SD - GPS noise problem

    Shielding doesn't improve the noise immunity, I solved the problem running the CPU at 192MHz.
  9. Replies
    34
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    25,884

    Teensy 3.6 on board voltage regulator

    I'm using the Teensy 3.6 for a battery powered data acquisition system. I'm having problems with the on board voltage regulator. The data sheet claims a voltage drop < 100mV when the current is...
  10. I'm working with Teensy 3.6 and I have big...

    I'm working with Teensy 3.6 and I have big problems with radiated emissions. I have a GPS receiver near the Teensy (completely decoupled from the electrical point of view); as soon as I start writing...
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    1
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    881

    I found a firmware problem. Now it works also...

    I found a firmware problem. Now it works also with the alternate chip select and enable pins
  12. Replies
    1
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    881

    nRF24L01+ radio with Teensy 3.6

    I'm using a Teensy 3.6 board connected to a nRF24L01+ module. I'm using the nRF library and it works perfectly with the following hardware connections:

    CE (Chip Enable) = 9
    CSN (Chip Select) =...
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    1
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    1,393

    USB host port on Teensy 3.6

    I'm working with Teensy 3.6 and I'm very satisfied by its performances. I wish to add WiFi capabilities using its USB host port and a dongle like this:...
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    2
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    1,440

    Timers on Teensy 3.6

    I have the following problems with timers and libraries:


    library TimerOne: it doesn't function at all; my function scriviTimer1 is called every 280 ms whatever the period I set (it changes...
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