Here is the code of the Piano Program
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// By Roee Bloch //All right Reserved // Copyright (c) 2015 All Right Reserved, http://www.electronics-freak.com // // This source is subject to the Roee Bloch License. // Please see the License.txt file for more information. // All other rights reserved. // // THIS CODE AND INFORMATION ARE PROVIDED "AS IS" WITHOUT WARRANTY OF ANY // KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE // IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A // PARTICULAR PURPOSE. // // // Roee Bloch // roeebloch@walla.co.il // June 2015 #define octave 2 // Octav to hear Lower tones leave value 1 #define Buz1 5 // buzzer pin 1 #define Buz2 7 // buzzer pin 2 #define DO 2500/octave //cycle time of DO in Micro seconds of musical notes #define RE 2028/octave #define MI 1805/octave #define FA 1702/octave #define SOL 1516/octave #define LA 1351/octave #define SI 1204/octave #define analog_in 0 int my_analog; int remap; void setup() { // put your setup code here, to run once: pinMode(Buz1, OUTPUT); pinMode(Buz2, OUTPUT); Serial.begin(9600); } void loop() { // put your main code here, to run repeatedly: my_analog = analogRead(analog_in); Serial.println (my_analog); //for debug only remap = map (my_analog, 0, 1024, 0, 8); // remapping to switch case // Serial.println (remap); // also for debug switch (remap) { case 1: Serial.println ("DO"); sound(DO); break; case 2: Serial.println ("RE"); sound(RE); break; case 3: Serial.println ("MI"); sound(MI); break; case 4: Serial.println ("FA"); sound(FA); break; case 5: Serial.println ("SOL"); sound(SOL); break; case 6: Serial.println ("LA"); sound(LA); break; case 7: Serial.println ("SI"); sound(SI); break; } delay(5); } void sound(int mydelay) //mydelay is the actual frequency according to musical note { for (int q = 1; q < 100; q++) { digitalWrite(Buz1, 1); digitalWrite(Buz2, 0); delayMicroseconds(mydelay / 2); digitalWrite(Buz1, 0); digitalWrite(Buz2, 1); delayMicroseconds(mydelay / 2); } } |
Lessons 8,9 – Code Example
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