Wheel of Fortune

thingiverse

https://youtu.be/K1Ia0j596d0 This device is definitely not for the faint of heart. Just push the button and watch as the wheel spins to a completely random position. If you're really lucky, M&M's will come pouring out. The circuit is designed specifically for a 5V stepper motor that draws no more than 1 Amp. A basic Arduino sketch looks like this: //Wheel of Fortune include Servo myservo; int pos = 0; int L1 = 0; //left control wires int L2 = 1; int L3 = 2; //right control wires int L4 = 3; int trigger = 0; int d=5; //delay time int tr = 0; int r = 0; int x = 0; void setup() { myservo.attach(11); pinMode(L1, OUTPUT); pinMode(L2, OUTPUT); pinMode(L3, OUTPUT); pinMode(L4, OUTPUT); pinMode(trigger, INPUT); } void loop(){ tr = analogRead(trigger); if(tr > 500){ for (pos = 0; pos < 180; pos++) { myservo.write(pos); delay(d); } for (pos = 180; pos >= 0; pos--) { myservo.write(pos); delay(d); } myservo.detach(); r++; x=r; if(r>=10) { digitalWrite(L1, HIGH); // set the digital pin 13 high digitalWrite(L2, LOW); digitalWrite(L3, HIGH); digitalWrite(L4, LOW); delay(1000); digitalWrite(L1, LOW); digitalWrite(L2, HIGH); digitalWrite(L3, LOW); digitalWrite(L4, HIGH); r=0; myservo.attach(11); //attach the servos to the motor } if (digitalRead(trigger) == HIGH){ L1 = L3; L2=L4; x=x+5; L1 = x; } else { L1 = 0; L2 = 1; } delay(d); } }