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71
Audio / Re: Parts for Arduino Headset
Last post by Grumpy_Mike - Today at 07:26 pm
You don't want use I2C, it is far too slow for audio.

You might want to look at this. You are not going to get very good quality with an Arduino.

http://feilipu.me/2015/04/29/xbee-walkie-talkie/
72
Yes, millis() is the time in milliseconds since the Arduino was powered up or reset.  So what ?  You know when power was detected and when it stopped being detected so you can calculate how long it was on or off by subtracting one time from the other.
73
Deutsch / Re: RGB Wechsler - LEDs flacke...
Last post by Sesselmann - Today at 07:25 pm
Dass 2pi 360 sind ist logisch, aber ich hab 2/3 und 4/3 und wenn mich nicht wirklich alles täuscht sind das 120 bzw. 240 Grad.. naja selbst wenn tut hier nix zur sache.

ich spiele morgen nochmal ein wenig rum, resette den counter und ähnliches, gleich habe ich keine Zeit mehr, ihr wisst schon, die Frauen :D
 
Wobei ich nicht glaube dass es, nach der kurzen Zeit am Zhler liegt. Schließlich tritt das problem driekt oder kurz nach dem Start auf und naja da kann das gnaze einfach noch nicht überfüllt sein...


die gruenwert rotwert und blauwert variablen sollten shcätze ich auch kein Problem sein, schließlich ist hier n Sinus am werkeln, mehr als +- 1000 in meinem Fall geht einfach nicht.
74
Français / Re: Calculer une quantité d'ea...
Last post by Artouste - Today at 07:23 pm
bonjour
ce type de capteur delivre une impulsion pour un volume connu (à priori selon petrusfr 2.22 ml)
pour avoir le volume total , il suffit de compter le nb d'mpulsions et de multiplier par 2.22
pour avoir le debit "instantané" simplement recuperer la frequence = nb impuslsion en 1 seconde.
75
Audio / Re: Arduino Midi Audio Control...
Last post by Grumpy_Mike - Today at 07:23 pm
Quote
but i don't find any way to send audio buffer to arduino so i can plug a monitor headphone to my controller
That is because you can't do that. Audio has nothing to do with MIDI anyway.
76
Deutsch / Re: SPI 32bit lesen möglich?
Last post by bananenjoe - Today at 07:23 pm
Erstmal Danke für die schnelle Hilfe, werde das die Tage mal ausführlich austesten und berichten. :)
77
Bar Sport / Re: [OT ITA] Lo spamm bar
Last post by astrobeed - Today at 07:22 pm

Sicuramente ha avuto una infanzia difficile, magari con il padre, o uno zio, che abusava di lei, poi quando è cresciuta ha deciso di vendicarsi.  :smiley-mr-green:
78
Code: [Select]
  if (Serial.available() != 0) {

    for (i = 0; i < 48; i++) {
      dataBuffer[i] = Serial.read();
      dataBuffer[i + 1] = '\0';
      delay(1);
    }

Learning that there is at lease one character to read does NOT mean that you can read 48 characters.


I thought that Serial.available returned the number of characters available in the buffer and as long as something was present (!=0) then the if would be satisfied and allow the loop to place them into dataBuffer.

I will change it to Serial.available() >0)
79
Bar Sport / Re: [OT ITA] Lo spamm bar
Last post by astrobeed - Today at 07:20 pm
Lo sapevo che era troppo bello ... :P :D
Un video proiettore economico, che funziona sul serio, devo ancora vederlo. :)
80
But isn´t millis()  always running? This startTime=millis() is the time since the arduino board began running the program, meaning the value of time is not going to start at 0s when it detects power>0! And the same to stopTime.
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