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- Sat Jul 18, 2015 5:24 pm
- Forum: Assembly
- Topic: Arduino Uno R3 + SIM900 cant make it work
- Replies: 0
- Views: 3953
Arduino Uno R3 + SIM900 cant make it work
Please guys i'm frustrated :( I bought an Arduino Uno R3 Board + SIM900 (GPRS Shield For arduino UNO) (I tried the same with iduino) I connected them as i understood from the internet (Picture of the connection attached) The simplest code i'm trying to run is modem checking but it doesnt return any ...