├── README.md
├── LICENSE
└── coin-acceptor.ino


/README.md:
--------------------------------------------------------------------------------
1 | # arduino-coin-acceptor
2 | 
3 | Source code for adding a programmable coin acceptor to an Arduino project. Originally created for "Adding a Coin Acceptor to Your Arduino Project" on the Maker Show. Watch the video tutorial [here](https://channel9.msdn.com/Shows/themakershow/10/).
4 | 


--------------------------------------------------------------------------------
/LICENSE:
--------------------------------------------------------------------------------
 1 | The MIT License (MIT)
 2 | 
 3 | Copyright (c) 2016 Rachel Simone Weil
 4 | 
 5 | Permission is hereby granted, free of charge, to any person obtaining a copy
 6 | of this software and associated documentation files (the "Software"), to deal
 7 | in the Software without restriction, including without limitation the rights
 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 9 | copies of the Software, and to permit persons to whom the Software is
10 | furnished to do so, subject to the following conditions:
11 | 
12 | The above copyright notice and this permission notice shall be included in all
13 | copies or substantial portions of the Software.
14 | 
15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 | SOFTWARE.
22 | 


--------------------------------------------------------------------------------
/coin-acceptor.ino:
--------------------------------------------------------------------------------
 1 | // Arduino coin acceptor code by hxlnt
 2 | // Originally created for "Adding a Coin Acceptor to Your Arduino Project" on the Maker Show
 3 | // See the entire video tutorial at https://channel9.msdn.com/Shows/themakershow/10
 4 | // 
 5 | // Read your coin acceptor's specs and instructions first for hookup specifics
 6 | // Modifications to this code may be needed
 7 | // Coin acceptor model used in this example is JY-923
 8 | //
 9 | // xoxox
10 | 
11 | 
12 | 
13 | // Constants
14 | const int coinpin = 2;
15 | const int ledpin = 3;
16 | const int targetcents = 100;
17 | 
18 | // Variables
19 | volatile int cents = 0;
20 | int credits = 0;
21 | 
22 | // Setup
23 | void setup() {
24 |   
25 |   Serial.begin(9600);
26 |   attachInterrupt(digitalPinToInterrupt(coinpin), coinInterrupt, RISING);
27 |   pinMode(ledpin, OUTPUT);
28 |   
29 | }
30 | 
31 | // Main loop
32 | void loop() {
33 |   
34 |   // If we've hit our target amount of coins, increment our credits and reset the cents counter
35 |   if (cents >= targetcents) {
36 |     credits = credits + 1;
37 |     cents = cents - targetcents;
38 |   }
39 | 
40 |   // If we haven't reached our target, keep waiting...
41 |   else {
42 |   }
43 | 
44 |   // Debugging zone
45 |   Serial.print(cents);
46 |   Serial.print(" cents toward current credit and ");
47 |   Serial.print(credits);
48 |   Serial.println(" credit(s) earned so far.");
49 |   delay(1000);
50 | 
51 |   // Turn off LED
52 |   digitalWrite(ledpin, LOW);
53 | 
54 |   // Now, write your own cool code here that triggers an event when the player has credits!
55 |   if (credits > 0) {
56 |     // Play music?
57 |     // Spin up a motor?
58 |     // Start a game?
59 |     // It's up to you!
60 |   }
61 |   
62 | }
63 | 
64 | // Interrupt
65 | void coinInterrupt(){
66 |   
67 |   // Each time a pulse is sent from the coin acceptor, interrupt main loop to add 1 cent and flip on the LED
68 |   cents = cents + 1;
69 |   digitalWrite(ledpin, HIGH);
70 |   
71 | }
72 | 
73 | 


--------------------------------------------------------------------------------