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Topic: Reading in/out data from SIM card with GPRS Arduino Shield  (Read 433 times) previous topic - next topic


here's the wiring :
Red wire is for Sim card's I/O and goes to SoftwareSerial's Rx (listening only),

Do you think it's wired wrong ?
on the picture it looks like the red wire goes into jack connector for headphones or microphone
You can't write an Arduino sketch if you didn't learn programming. Not the language, but the concepts of programming - algorithms and data types.


No not at all, it's soldered underneath on thhe sim card's holder

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