\/\/name
\nchar NAME[21] = “MYPANEL”;<\/p>\n
\/\/ 4 num \u00a0bt code
\nchar PIN[5] = “1234”;<\/p>\n
\/*
\ncodes for BAUD
\n1 for 1200 bps
\n2 2400 bps
\n3 4800 bps
\n4 9600 bps
\n5 19200 bps
\n6 38400 bps
\n7 57600 bps
\n8 115200 bps
\n9 230400 bps
\nA 460800 bps
\nB 921600 bps
\nC 1382400 bps
\n*\/
\nchar BAUD=’7′;<\/p>\n
char response[21]; \/\/ char array
\nint rv=0; \/\/ return value
\nint found=0; \/\/ module found<\/p>\n
void setup() {
\nSerial.begin(9600);
\nSerial.print(“Setting up BT”);<\/p>\n
\/\/ Search on each of the baud rates
\nlong baud[12] = {1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400, 460800, 921600, 1382400}; \/\/init it
\nfor(int a = 0; a < 12; a++)
\n{
\nSerial.begin(baud[a]);
\nSerial.write(“AT”); \/\/ should get back an “OK”
\nwhile(Serial.available() < 0);
\nSerial.readBytes(response, 2);
\nif (strncmp(response, “OK”, 2) == 0)
\n{
\nSerial.print(“\\nIt was at \u00a0BAUD: “);
\nSerial.println(baud[a]);
\nfound=1;
\nbreak;
\n}
\nelse
\n{
\nSerial.print(“.”);
\n\/\/Serial.println(baud[a]);
\n}
\n}
\nif (found==0)
\n{
\nSerial.println(“\\nERROR: Blueooth Module not found!”);
\nSerial.println(“BT must NOT be enabled, try again”);
\nwhile(1);
\n}
\ndelay(100);
\n\/*
\nSerial1.write(“AT+VERSION”); \/\/ Check the firmware version, because we can
\nwhile(Serial1.available() < 0);
\nSerial1.readBytes(response,2);
\nif (strncmp(response, “OK”, 2)==0)
\n{
\nrv = Serial1.readBytes(response, 20);
\nresponse[rv] = 0;
\nSerial.print(“BT Module Firmware Version: “);
\nSerial.println(response);
\n}
\nelse
\n{
\nSerial.println(“Error checking BT Version”);
\n}
\ndelay(100);<\/p>\n
Serial1.write(“AT+NAME”); \/\/ Set the bluetooth device name
\nSerial1.write(NAME);
\nwhile(Serial1.available() < 0);
\nSerial1.readBytes(response,9);
\nif (strncmp(response, “OKsetname”, 9)==0)
\n{
\nSerial.print(“Setting Name: “);
\nSerial.println(NAME);
\n}
\nelse
\n{
\nSerial.println(“Error Setting Bluetooth Name”);
\n}
\ndelay(100); \/\/give us time to check all BAUD rates until we find the right one<\/p>\n
void loop() {
\n}<\/p>\n","protected":false},"excerpt":{"rendered":"
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