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Help with codes to add 1 more shift register and add more to matrix LED

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hi im working on 8x10 matrix leds , successful @ using guide http://www.instructables.com/id/810-led-matrix-with-4017/ using 4017 , 74hc595 now want expand matrix 16x10. i connected , worked added 74hc595 control second 8x10. my problem want display text using both 8x10 im using code guide , modified think doesnt work code: [select] #define someshape    {b0100001001000010,b1110011101000010,b0100001001000010,b0000000001000010,b0001100001000010,b0001100001000010,b1000000101000010,b1000000101000010,b0100001001000010,b0011110001000010  }    #define all     {b1111111111111111,b1111111111111111,b1111111111111111,b1111111111111111,b1111111111111111,b1111111111111111,b1111111111111111,b1111111111111111,b1111111111111111,b1111111111111111  }                        #define someshape2   {b0100001001000010,b1110011101000010,b0100001001000010,b0000000001000010,b000110000100001...
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hi guy i'm trying communicate ai thinker a7 module. on arduino uno r3 im using pin 7,pin 8 connect utxd & uaxd. when send sms phone module thinker 7, use arduino read sms. my code bellow code: [select] #include <softwareserial.h> #include <string.h> char incoming_char = 0; softwareserial cell(7, 8); //my shield uses these pins software serial. void setup() {  serial.begin(115200);  cell.begin(115200);  delay(2000);  serial.print("starting modem communication...");  delay(12000);  serial.print("ok\nintroduce @ commands:\n"); } void loop() {  if(cell.available() > 0)  {    incoming_char=cell.read();        if(incoming_char=="a"){      serial.println("content of sms a"); //if sms contains "#" arduino looks commands follow.      serial.println(incoming_char);    }    else    { ...
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