• Hello @allObjects,
    thanks for your advice.
    the first timer (sendDatas) need between 18 and 20 ms to achieve.
    i rewrote the code with only one timer and a trigger (a seesaw).
    each time it play led, one in two it send datas to display.
    the timer is banging at 30ms (so under the sendDatas() needs)
    I've started a test.


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