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@ -1,33 +1,27 @@
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/*THE WORKING VERSION OF THE 4 BUTTON KEYBOARD
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LAYOUT
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RedWire->|
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____________
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| L1 L2 |
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| L3 L4 |
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------------
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----
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L1 = buttonState3, b4, v1, var + 5
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L2 = buttonState1, b2, v3, var - 1
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L3 = buttonState, b1, v2, var + 1
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L3 = buttonState2, b3, v4, var + 10
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*/
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LAYOUT
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RedWire->|
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____________
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| L1 L2 |
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| L3 L4 |
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------------
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----
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L1 = buttonState3, b4, v1, var + 5
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L2 = buttonState1, b2, v3, var - 1
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L3 = buttonState, b1, v2, var + 1
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L3 = buttonState2, b3, v4, var + 10
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*/
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//Ints for counting multipress
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int v1 = 0;
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int v2 = 0;
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int v3 = 0;
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int v4 = 0;
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//ints for button pins (only b1 - 4 are in use)
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const int b1 = 2;
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const int b2 = 3;
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@ -35,14 +29,11 @@ const int b3 = 4;
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const int b4 = 5;
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const int b5 = 6;
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const int b6 = 7;
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//int for counting number and submit
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int var = 0;
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int subvar = 0;
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//Not sure what this does, but don't want to delete it
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int ptrue = 0;
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//ints for counting button presses
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int buttonState = 0;
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int lastButtonState = 0;
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@ -52,7 +43,6 @@ int buttonState2 = 0;
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int lastButtonState2 = 0;
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int buttonState3 = 0;
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int lastButtonState3 = 0;
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//ints for debouncing each button
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long debounceDelay = 50;
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long lastDebounceTime = 0;
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@ -63,20 +53,16 @@ long lastDebounceTime2 = 0;
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int state2 = 0;
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long lastDebounceTime3 = 0;
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int state3 = 0;
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/* the pins are set up as inputs and then set high,
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so that when the button is grounded it will notice it
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and count it as a button press. this way, there are
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no resistors needed for the curcuit.
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The button should be connected from the pin, to the
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button, to ground, like this:
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PIN# --> Pin1 of button |--| -- Ground
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^
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Button |
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*/
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so that when the button is grounded it will notice it
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and count it as a button press. this way, there are
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no resistors needed for the curcuit.
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The button should be connected from the pin, to the
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button, to ground, like this:
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PIN# --> Pin1 of button |--| -- Ground
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^
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Button |
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*/
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void setup() {
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Serial.begin(9600);
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Serial.println("Begin Typing");
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@ -93,11 +79,7 @@ void setup() {
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digitalWrite(b5, HIGH);
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digitalWrite(b6, HIGH);
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}
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void loop() {
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state3 = digitalRead(b4); //read if grounded or not
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if ((millis() - lastDebounceTime3) > debounceDelay) { //if the button has not been pressed within debouncetime, do...
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buttonState3 = digitalRead(b4);
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@ -105,7 +87,7 @@ void loop() {
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if (buttonState3 == HIGH) { //if the switch was released, do...
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lastDebounceTime3 = millis();
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v1 = 0; //reset the multipress counter, so it does not count it as a press after you release the button
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}
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}
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else { //if switch pressed, do...
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var = var + 5; //setting for what the button does
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lastDebounceTime3 = millis(); //reset the last debounce
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@ -113,7 +95,6 @@ void loop() {
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}
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}
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}
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//the same goes for this
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state = digitalRead(b1);
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if ((millis() - lastDebounceTime) > debounceDelay) {
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@ -122,7 +103,7 @@ void loop() {
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if (buttonState == HIGH) {
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lastDebounceTime = millis();
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v2 = 0;
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}
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}
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else {
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var = var + 1;
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lastDebounceTime = millis();
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@ -130,7 +111,6 @@ void loop() {
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}
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}
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}
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//and this
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state1 = digitalRead(b2);
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if ((millis() - lastDebounceTime1) > debounceDelay) {
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@ -139,7 +119,7 @@ void loop() {
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if (buttonState1 == HIGH) {
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lastDebounceTime1 = millis();
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v3 = 0;
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}
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}
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else {
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var = var - 1;
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lastDebounceTime1 = millis();
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@ -147,7 +127,6 @@ void loop() {
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}
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}
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}
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//... and this
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state2 = digitalRead(b3);
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if ((millis() - lastDebounceTime2) > debounceDelay) {
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@ -156,7 +135,7 @@ void loop() {
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if (buttonState2 == HIGH) {
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lastDebounceTime2 = millis();
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v4 = 0;
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}
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}
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else {
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var = var + 10;
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lastDebounceTime2 = millis();
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@ -164,10 +143,8 @@ void loop() {
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}
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}
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}
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// this whole section controls what letters correspond to what numbers,
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// and when to send the letter out
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// this whole section controls what letters correspond to what numbers,
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// and when to send the letter out
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if (var == 1) { //if the variable is 1,
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if (subvar == 1) { //and, if you pressed the submit button,
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Serial.print('A'); //print the letter 'A' (A is the first letter in the alphabet)
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@ -175,9 +152,7 @@ void loop() {
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var = 0; //reset the variable, so you can count to the next word.
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}
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}
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//the same goes for all the code below, untill the next comment.
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//the same goes for all the code below, untill the next comment.
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if (var == 2) {
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if (subvar == 1) {
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Serial.print('B');
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@ -353,28 +328,22 @@ void loop() {
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var = 0;
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}
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}
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// i know everything above could've been done with a map, but, i didn't do it like that.
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//this next code part control all the multipress.
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if (v1 == 1) { //if one of the two buttons in the multipress section was pressed,
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if (v3 == 1) { //and the second button in the multipress section was pressed,
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// i know everything above could've been done with a map, but, i didn't do it like that.
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//this next code part control all the multipress.
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if (v1 == 1) { //if one of the two buttons in the multipress section was pressed,
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if (v3 == 1) { //and the second button in the multipress section was pressed,
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subvar = 1; //do what you want that multipres section to do. In this case, it was
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//presss the top two buttons to submit the number.
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v1 = 0; //reset multipress button stats
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v3 = 0; //ya, again
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var = var - 5; //take into account what would normall happen to the variable.
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//the top two button can add + 5 and - 1, so doing - 5 and + 1 will reset the
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//the top two button can add + 5 and - 1, so doing - 5 and + 1 will reset the
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//variable to what it would normally be.
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var = var + 1; //the same here too
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}
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}
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//the same goes for the below code, but with different buttons for
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//the same goes for the below code, but with different buttons for
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//multipress, and different actions based on that
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if (v2 == 1) {
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if (v4 == 1) {
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Serial.print(" ");
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@ -383,9 +352,8 @@ void loop() {
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var = var + 1;
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var = - 5;
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}
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}
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if (v3 == 1) {
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}
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if (v3 == 1) {
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if (v4 == 1) {
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Serial.println("");
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v3 = 0;
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@ -393,9 +361,8 @@ if (v3 == 1) {
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var = var + 1;
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var = var - 10;
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}
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}
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if (v1 == 1) {
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}
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if (v1 == 1) {
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if (v2 == 1) {
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Serial.print(".");
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v1 = 0;
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@ -403,9 +370,7 @@ if (v1 == 1) {
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var = var - 1;
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var = var - 5;
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}
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}
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}
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//reset the button states. not sure if i still need these, but dont want to risk deleting them.
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//
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lastButtonState = buttonState;
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@ -413,27 +378,3 @@ if (v1 == 1) {
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lastButtonState2 = buttonState2;
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lastButtonState3 = buttonState3;
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}
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