crisstel.ro Arduino UNO si MOD-IO2 funcționarea modulului MOD-IO2 împreună cu Arduino UNO Modulul MOD-IO2 este un modul cu microcontroller dedicat comunică cu Arduino prin protocolul I2C • Arduino UNO; • Placa cu relee MOD-IO2; • Adaptor Rpi-UEXT; • 3 led-uri brick de culori diferite; • Breadboard; • Fire pentru conexiuni. se alimenteaza de la o sursa de tensiune stabilizata de 12V vom folosi trei led-uri brick conectate la placa MODIO2 Pentru comunicarea I2C intre Arduino și MOD-IO2 Arduino este master iar placa MOD-IO2 funcționează pe post de slave

Arduino UNO si MOD-IO2

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În acest tutorial vom exemplifica funcționarea modulului MOD-IO2 împreună cu Arduino UNO. Modulul MOD-IO2 este un modul cu microcontroller dedicat, comunică cu Arduino prin protocolul I2C, si dispune de doua relee și mai multe porturi GPIO (similare cu porturile digitale din Arduino).

Vei avea nevoie de urmatoarele componente:

  • Arduino UNO;
  • Placa cu relee MOD-IO2;
  • Adaptor Rpi-UEXT;
  • 3 led-uri brick de culori diferite;
  • Breadboard;
  • Fire pentru conexiuni.

Cateva lucruri despre MOD-IO2

  • contine pe placa un microcontroller dedicat care controleaza cele doua relee de pe placa, precum si mai multe porturi GPIO (similare cu porturile digitale din Arduino);
  • se conecteaza cu Arduino doar prin 2 fire (SCL, SDA – protocolul I2C) la Arduino;
  • se alimenteaza de la o sursa de tensiune stabilizata de 12V;
  • este adresabil, ceea ce inseamna ca poti inlantui mai multe module MOD-IO2.

În cele de mai jos vom utiliza un breadboard, împreună cu adaptorul UEXT pentru a simplifica lucrurile și (astfel vom avea masa comuna GND între led-uri, Arduino și MOD-IO2).

Pentru exemplificare, vom folosi trei led-uri brick conectate la placa MODIO2. Nu vom conecta nimic la relee, zgomotul pe care îl fac acestea la cuplare și decuplare va fi suficient pentru a ne da seama ca acestea funcționează.

În proiectul tău, poți folosi doar releele (dacă nu ai nevoie de porturi GPIO suplimentare; ceea ce înseamnă ca în cele ce urmează ești liber să ignori ledurile) conectate la porturile GPIO.

Pentru comunicarea I2C intre Arduino și MOD-IO2, Arduino este master iar placa MOD-IO2 funcționează pe post de slave. Arduino transmite comenzi prin magistrala I2C la frecventa de 100Khz. Din păcate, MOD-IO2 înțelege doar comenzi trimise la cel mult 50KHz, asa ca va fi necesar sa modifici frecventa plăcii Arduino…

Conținutul acestui articol este în format PDF pus la dispoziție de specialiștii RoboFun.ro. Pentru a vizualiza apăsați butonul Preview iar pentru a descărca butonul Download.

Arduino UNO si MOD-IO2

  • In acest tutorial vom exemplifica functionarea modulului MOD-IO2 impreuna cu Arduino UNO. Modulul MOD-IO2 este un modul cu microcontroller dedicat, comunica cu Arduino prin protocolul I2C, si dispune de doua relee si mai multe porturi GPIO (similare cu porturile digitale din Arduino). Vei avea nevoie de urmatoarele componente: • Arduino UNO • Placa cu relee MOD-IO2 • Adaptor Rpi-UEXT • 3 led-uri brick de culori diferite • Breadboard • Fire pentru conexiuni Cateva lucruri despre MOD-IO2 : • contine pe placa un microcontroller dedicat care controleaza cele doua relee de pe placa, precum si mai multe porturi GPIO (similare cu porturile digitale din Arduino). • se conecteaza cu Arduino doar prin 2 fire (SCL, SDA – protocol I2C) la Arduino. • se alimenteaza de la o sursa de tensiune stabilizata de 12V. • este adresabil, ceea ce inseamna ca poti inlantui mai multe module MODIO2. In cele de mai jos vom utiliza un breadboard, impreuna cu adaptorul UEXT pentru a simplifica lucrurile si (astfel vom avea masa comuna GND intre led-uri, Arduino si MOD-IO2). Pentru exemplificare, vom folosi trei led-uri brick conectate la placa MODIO2. Nu vom conecta nimic la relee, zgomotul pe care il fac acestea la cuplare si decuplare va fi suficient pentru a ne da seama ca acestea functioneaza. In proiectul tau, poti folosi doar releele (daca nu ai nevoie de porturi GPIO suplimentare; ceea ce inseamna ca in cele ce urmeaza esti liber sa ignori ledurile) conectate la porturile GPIO. Pentru comunicarea I2C intre Arduino si MOD-IO2, Arduino este master iar placa MOD-IO2 functioneaza pe post de slave. Arduino transmite comenzi prin magistrala I2C la frecventa de 100Khz. Din pacate, MOD-IO2 intelege doar comenzi trimise la cel mult 50KHz, asa ca va fi necesar sa modifici frecventa placii Arduino

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