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  1. Replies
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    Hello, thank You very much for positve reply :D...

    Hello,
    thank You very much for positve reply :D

    I will comment it out.
  2. Replies
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    Teensy 4.0 / 4.1 startup delay of 300 ms

    Hello all,

    probably question for @PaulStoffregen, is this delay in startup.c in ResetHandler funcrion really neccessary?


    startup_early_hook();
    while (millis() < 20) ; // wait at least 20ms...
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    Sniff on Sanyo CCB bus

    Hello all,

    i am working on a project on my DENON UD-M30 minisystem, where i would like to sniff on messages on Sanyo's CCB bus between main CPU and audio mixer and eq IC LC75342M in there.

    I...
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    One way i could do it is to set one PWM to...

    One way i could do it is to set one PWM to 150000Hz and other to 800Hz and then use AND gate to output the square wave signal while the other PWM output is HIGH.
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    PWM period counter

    Hello,

    the name of thread might be wrong, but i dont know, how to name it better:)

    First of all, what i want to do:

    i need to feed 4-20mA module extracted from energy manager RMS621 with...
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    Additionally, i would like to ask, if it happened...

    Additionally, i would like to ask, if it happened to some of You, that i2c influences (hangs) the uart communication?
    Please look at tha attachment.

    From my observations, shorter messages does...
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    SerialX.transmitterEnable(pin)

    Hello,

    i am working on a project, where i will be able (using teensy) to "talk" to HART enabled transmitters on 4-20mA loop.
    HART protocol is known to me, so there is no problem understanding the...
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    Thank You Paul, receiving is enough for my...

    Thank You Paul,

    receiving is enough for my project :) (at least now :))
  9. Replies
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    Teensy LC and infrared receive

    Hello,

    i hope it is not mentioned here so i did not start useless thread, but this is not clear to me - in comparism of Teensy LC and Teensy 3.1
    is mentioned no CMT timer on LC.

    4870

    Does...
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    No problem Frank, if i used arduino with...

    No problem Frank,

    if i used arduino with bootloader, the LEDs would not turn on, since the bootloader takes around one second.
    Thats more than time the original bulb is powered.

    I have...
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    Hello Paul, thanks for info, You are right,...

    Hello Paul,

    thanks for info, You are right, the PWM started much faster, the time diff between digitalWrite and analogWrite (on logic analyzer) was arount 7,2us, in reality it could be plus 5us...
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    Delay removed, digitalWrite took 1,27ms while...

    Delay removed, digitalWrite took 1,27ms while analogWrite 3,25ms

    4867
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    I modified the 4ms delay to 1ms and digital write...

    I modified the 4ms delay to 1ms and digital write was "faster"

    Interesting is that analogWrite take more time.


    void loop() {
    analogWrite(led8, 200);
    digitalWrite(LEDheartbeat, HIGH);...
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    Teensy 3.1

    Hello Paul,
    i confirm on Teensy 3.1 5,27ms - this is without modification of 4ms delay as Paul pointed out earlier

    4865
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    Teensy LC startup time

    Hello,

    i would like to ask, how fast the Teensy LC will "boot"?

    I would like to replace Arduino MINI PRO which i programmed without bootloader to get as fast as possible startup operation.
    I...
  16. Thread: teensy 3.1 died

    by profor
    Replies
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    22,491

    Oh, time to buy green one :) Yeah, next time it...

    Oh, time to buy green one :) Yeah, next time it will not happen again
  17. Thread: teensy 3.1 died

    by profor
    Replies
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    22,491

    Me being stupid

    I wanna add my todays goal where i managed to burn and melt the chip plastic body and destroying teensy.

    I am working on a CAN bus project where teensy will be connected in my Peugeot 508 car and...
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