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17% OFF SIM900 Quad Band GSM GPRS Shield Placa de Desenvolvimento Geekcreit para Arduino - produtos que funcionam com placas oficiais Arduino 18,63€ 22,36€ View It

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guiott 29/08/2015

C'è modo per accenderlo via software come la versione originale, solo che non è documentato da nessuna parte, essendo questo un po' diverso nello schema. Invece del ponticello JP come sulla scheda originale, bisogna ponticellare le due piazzole nominate come R13 e sulle quali non è montata alcuna resistenza. In questo modo sfrutta il transistor usato per pilotare il LED NetStat per accendere il circuito tramite l'I/O 9 di Arduino con questo codice void powerUp() { pinMode(9, OUTPUT); digitalWrite(9,LOW); delay(1000); digitalWrite(9,HIGH); delay(2000); digitalWrite(9,LOW); delay(3000); }

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guiott If you would like to use it with Arduino, here you can find a complete description, tip and tricks and the complete, working sketch.http://www.guiott.com/GSMcontrol/GSMcontrol.htm
Resposta 17/11/2015

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prinsep dove trovo l'antenna?grazie
Resposta 30/11/2015

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