Arduino nano/mini/uno kullanılabilir. Ben D3 ve D10 pinlerini kullandım ama kod içinde istediğiniz pinleri atayabilirsiniz.
PTT için kullanılacak telsiz cihazının bağlantı şekli önemli. Ben Baofeng el cihazı ile kullanıyorum. Mosfet yerine optokuplör de kullanılabilir.
Devre, periyodik olarak (şu anda 15 saniyede bir) CW olarak çağrı işaretini (veya sizin tanımlayacağınız kelimeleri) gönderir.
Kodda da görüleceği gibi, hız vs. gibi değerleri ayarlamak mümkün.
//************************************************************************************************
#define SPEED (22) //speed in WPM
#define DOTLEN (1200/SPEED)
#define DASHLEN (3*(1200/SPEED))
#define PAUSE 15 //Time in seconds between transmissions
int txPin=10; //Digital pin used to show when the tone is playing. Pin 13 has an attached led on most Arduino boards.
int ledPin=13; //Digital pin used to show when the tone is playing. Pin 13 has an attached led on most Arduino boards.
int tonePin=3; //Digital pin used to send the tone. It MUST be a PWM pin (Marked with ~).
int toneFreq=900; //Tone frequency. Usually between 500 and 900 Hz.
void sendMsg(char*);
void dash();
void dot();
void setup()
{
pinMode(ledPin, OUTPUT);
pinMode(txPin, OUTPUT);
}
void loop()
{
digitalWrite(txPin, HIGH);
delay(20);
sendMsg(“TA1MRT DE 73″); //Remember to replace it with your callsign/message!
delay(20);
digitalWrite(txPin, LOW);
delay(PAUSE*1000);
}
void dash()
{
digitalWrite(ledPin, HIGH);
tone(tonePin, toneFreq);
delay(DASHLEN);
digitalWrite(ledPin, LOW);
noTone(tonePin);
tone(tonePin, 21000);
delay(DOTLEN);
noTone(tonePin);
}
void dot()
{
digitalWrite(ledPin, HIGH) ;
tone(tonePin, toneFreq);
delay(DOTLEN);
digitalWrite(ledPin, LOW);
noTone(tonePin);
tone(tonePin, 21000);
delay(DOTLEN);
noTone(tonePin);
}
void sendMsg(char *str)
{
int i;
tone(tonePin, 21000);
delay(500);
noTone(tonePin);
for(i=0;i<strlen(str);i++)
{
switch (str[i])
{
case ‘A’:
dot();dash();break;
case ‘B’:
dash();dot();dot();dot();break;
case ‘C’:
dash();dot();dash();dot();break;
case ‘D’:
dash();dot();dot();break;
case ‘E’:
dot();break;
case ‘F’:
dot();dot();dash();dot();break;
case ‘G’:
dash();dash();dot();break;
case ‘H’:
dot();dot();dot();dot();break;
case ‘I’:
dot();dot();break;
case ‘J’:
dot();dash();dash();dash();break;
case ‘K’:
dash();dot();dash();break;
case ‘L’:
dot();dash();dot();dot();break;
case ‘M’:
dash();dash();break;
case ‘N’:
dash();dot();break;
case ‘O’:
dash();dash();dash();break;
case ‘P’:
dot();dash();dash();dot();break;
case ‘Q’:
dash();dash();dot();dash();break;
case ‘R’:
dot();dash();dot();break;
case ‘S’:
dot();dot();dot();break;
case ‘T’:
dash();break;
case ‘U’:
dot();dot();dash();break;
case ‘V’:
dot();dot();dot();dash();break;
case ‘W’:
dot();dash();dash();break;
case ‘X’:
dash();dot();dot();dash();break;
case ‘Y’:
dash();dot();dash();dash();break;
case ‘Z’:
dash();dash();dot();dot();break;
case ‘ ‘:
tone(tonePin, 21000);
delay(DOTLEN*5);
noTone(tonePin);
break;
case ‘.’:
dot();dash();dot();dash();dot();dash();break;
case ‘,’:
dash();dash();dot();dot();dash();dash();break;
case ‘:’:
dash();dash();dash();dot();dot();break;
case ‘?’:
dot();dot();dash();dash();dot();dot();break;
case ‘\”:
dot();dash();dash();dash();dash();dot();break;
case ‘-‘:
dash();dot();dot();dot();dot();dash();break;
case ‘/’:
dash();dot();dot();dash();dot();break;
case ‘(‘:
case ‘)’:
dash();dot();dash();dash();dot();dash();break;
case ‘\”‘:
dot();dash();dot();dot();dash();dot();break;
case ‘@’:
dot();dash();dash();dot();dash();dot();break;
case ‘=’:
dash();dot();dot();dot();dash();break;
case ‘0’:
dash();dash();dash();dash();dash();break;
case ‘1’:
dot();dash();dash();dash();dash();break;
case ‘2’:
dot();dot();dash();dash();dash();break;
case ‘3’:
dot();dot();dot();dash();dash();break;
case ‘4’:
dot();dot();dot();dot();dash();break;
case ‘5’:
dot();dot();dot();dot();dot();break;
case ‘6’:
dash();dot();dot();dot();dot();break;
case ‘7’:
dash();dash();dot();dot();dot();break;
case ‘8’:
dash();dash();dash();dot();dot();break;
case ‘9’:
dash();dash();dash();dash();dot();break;
}
delay(2*DOTLEN);
}
}
SKY 