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| #include <SoftwareSerial.h>
SoftwareSerial BT(10, 11); char val;
const int M1_dir_pin = 8; const int M1_spd_pin = 6;
const int M2_dir_pin = 12; const int M2_spd_pin = 9;
const int M3_dir_pin = 4; const int M3_spd_pin = 3;
const int M4_dir_pin = 7; const int M4_spd_pin = 5;
int speed = 150;
void run(){ analogWrite(M1_spd_pin, speed); analogWrite(M2_spd_pin, speed); analogWrite(M3_spd_pin, speed); analogWrite(M4_spd_pin, speed); } void setup() { Serial.begin(9600); Serial.println("bluetooth is ready!"); BT.begin(9600);
pinMode(M1_dir_pin, OUTPUT); pinMode(M1_spd_pin, OUTPUT); pinMode(M2_dir_pin, OUTPUT); pinMode(M2_spd_pin, OUTPUT); pinMode(M3_dir_pin, OUTPUT); pinMode(M3_spd_pin, OUTPUT); pinMode(M4_dir_pin, OUTPUT); pinMode(M4_spd_pin, OUTPUT); } void loop() { if (Serial.available()) { val = Serial.read(); BT.println(val); } if (BT.available()) { val = BT.read(); Serial.println(val); }
val = (char)val; switch(val){ case 'a': run(); digitalWrite(M1_dir_pin, LOW); digitalWrite(M2_dir_pin, HIGH); digitalWrite(M3_dir_pin, LOW); digitalWrite(M4_dir_pin, HIGH); break; case 'b': run(); digitalWrite(M1_dir_pin, HIGH); digitalWrite(M2_dir_pin, HIGH); digitalWrite(M3_dir_pin, HIGH); digitalWrite(M4_dir_pin, HIGH); break; case 'c': run(); digitalWrite(M1_dir_pin, HIGH); digitalWrite(M2_dir_pin, LOW); digitalWrite(M3_dir_pin, HIGH); digitalWrite(M4_dir_pin, LOW); break; case 'd': run(); digitalWrite(M1_dir_pin, LOW); digitalWrite(M2_dir_pin, HIGH); digitalWrite(M3_dir_pin, HIGH); digitalWrite(M4_dir_pin, LOW); break; case 'e': run(); digitalWrite(M1_dir_pin, HIGH); digitalWrite(M2_dir_pin, LOW); digitalWrite(M3_dir_pin, LOW); digitalWrite(M4_dir_pin, HIGH); break; case 'f':
break; case 'g': run(); digitalWrite(M1_dir_pin, LOW); digitalWrite(M2_dir_pin, LOW); digitalWrite(M3_dir_pin, LOW); digitalWrite(M4_dir_pin, LOW); break; case 'h':
break; case 'i': analogWrite(M1_spd_pin, 0); analogWrite(M2_spd_pin, 0); analogWrite(M3_spd_pin, 0); analogWrite(M4_spd_pin, 0); break; } }
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