I'm afraid that if you were directly connecting the RXD of the TC35i to the Arduino board, it might be damaged by now.
Quote from: 48X24X48X on Mar 11, 2013, 12:01 pmI'm afraid that if you were directly connecting the RXD of the TC35i to the Arduino board, it might be damaged by now.I am in the same situation, I might have killed the modem.however, i was following this website, which says it worked to him...http://denhart.dk/2012/01/siemens-tc35-gsm-module-arduino/there are pictures showing the direct connections.any idea?y am getting the ÿ on each gsmSerial.read()although its the same as if I disconnect the wires, so thats not saying anything good.the led on the modem is flashing but i cant get anything usefull on the serial monitor.any test to check if modem is burned?its interesting to see that the led does blink constantly.
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