{"id":747,"date":"2021-06-26T11:11:26","date_gmt":"2021-06-26T11:11:26","guid":{"rendered":"https:\/\/mc.scsiraidguru.com\/?page_id=747"},"modified":"2024-03-06T16:10:08","modified_gmt":"2024-03-06T16:10:08","slug":"ard_rgb_led","status":"publish","type":"page","link":"https:\/\/mc.scsiraidguru.com\/index.php\/arduino\/diode\/ard_light_emitting\/ard_rgb_led\/","title":{"rendered":"Ard_RGB_LED"},"content":{"rendered":"\t\t
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I have been reading Jeremy Blum’s Exploring Arduino.\u00a0\u00a0 I had a RGB LED in the box.\u00a0\u00a0 So I decided to try his code out.\u00a0\u00a0 The only difference was the type.\u00a0 It was a cathode RGB LED.\u00a0 To get it to work, I had to take it to the ground instead of 5V.\u00a0\u00a0\u00a0 I connected it to the 4th Slave with the 7 segment LED on pins 10,11 and 13.\u00a0 I have cleanup work to do on the code.\u00a0 <\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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\/*
Exploring Arduino - Code Listing 2-6: Toggling LED Nightlight
http:\/\/www.exploringarduino.com\/content\/ch2
Copyright 2013 Jeremy Blum ( http:\/\/www.jeremyblum.com )
This program is free software: you can redistribute it and\/or modify
it under the terms of the GNU General Public License v3 as published by
the Free Software Foundation.
*\/

const int BLED=3; \/\/Blue LED on Pin 9
const int GLED=5; \/\/Green LED on Pin 10
const int RLED=6; \/\/Red LED on Pin 11
const int BUTTON=2; \/\/The Button is connected to pin 2

boolean lastButton = LOW; \/\/Last Button State
boolean currentButton = LOW; \/\/Current Button State
int ledMode = 0; \/\/Cycle between LED states

#include
int LED = 13;

\/\/ 8 segment LED for x counter
int latchPin_7Segment=11; \/\/white 595 pin 12
int clockPin_8Segment=9; \/\/blue 595 pin 11
int dataPin_8Segment=12; \/\/black 595 pin 14
\/\/ 8 segment LED for x counter

\/\/ i2c counter
int x = 0;
int dt=250;
\/\/ i2c counter

\/\/ 8 segment LED for x counter
byte LEDsOff=0b00000000;
byte LEDsOn=0b11111111;
byte LEDs1=0b10000000;
byte LEDs2=0b01000000;
byte LEDs3=0b00100000;
byte LEDs4=0b00010000;
byte LEDs5=0b00001000;
byte LEDs6=0b00000100;
byte LEDs7=0b00000010;
byte LEDs8=0b00000001;

byte LEDZero = 0b11111100;
byte LEDOne = 0b01100000;
byte LEDTwo = 0b11011010;
byte LEDThree = 0b11110010;
byte LEDFour = 0b01100110;
byte LEDFive = 0b10110110;
byte LEDSix = 0b00111110;
\/\/ 8 segment LED for x counter

void setup() {

pinMode (BLED, OUTPUT); \/\/Set Blue LED as Output
pinMode (GLED, OUTPUT); \/\/Set Green LED as Output
pinMode (RLED, OUTPUT); \/\/Set Red LED as Output
pinMode (BUTTON, INPUT); \/\/Set button as input (not required)

pinMode (LED, OUTPUT);
pinMode (latchPin_7Segment,OUTPUT);
pinMode (dataPin_8Segment,OUTPUT);
pinMode (clockPin_8Segment,OUTPUT);

\/\/ Start the I2C Bus as Slave on address 4
Wire.begin(4);
\/\/ Attach a function to trigger when something is received.
Wire.onReceive(receiveEvent);
}

\/*
* LED Mode Selection
* Pass a number for the LED state and set it accordingly
*\/
void setMode(int mode)
{
\/\/RED
if (mode == 1)
{
digitalWrite(RLED, HIGH);
digitalWrite(GLED, LOW);
digitalWrite(BLED, LOW);
}
\/\/GREEN
else if (mode == 2)
{
digitalWrite(RLED, LOW);
digitalWrite(GLED, HIGH);
digitalWrite(BLED, LOW);
}
\/\/BLUE
else if (mode == 3)
{
digitalWrite(RLED, LOW);
digitalWrite(GLED, LOW);
digitalWrite(BLED, HIGH);
}
\/\/PURPLE (RED+BLUE)
else if (mode == 4)
{
analogWrite(RLED, 127);
analogWrite(GLED, 0);
analogWrite(BLED, 127);
}
\/\/TEAL (BLUE+GREEN)
else if (mode == 5)
{
analogWrite(RLED, 0);
analogWrite(GLED, 127);
analogWrite(BLED, 127);
}
\/\/ORANGE (GREEN+RED)
else if (mode == 6)
{
analogWrite(RLED, 127);
analogWrite(GLED, 127);
analogWrite(BLED, 0);
}
\/\/WHITE (GREEN+RED+BLUE)
else if (mode == 7)
{
analogWrite(RLED, 85);
analogWrite(GLED, 85);
analogWrite(BLED, 85);
}
\/\/OFF (mode = 0)
else
{
digitalWrite(RLED, LOW);
digitalWrite(GLED, LOW);
digitalWrite(BLED, LOW);
}
}

\/*
* Debouncing Function
* Pass it the previous button state,
* and get back the current debounced button state.
*\/
boolean debounce(boolean last)
{
boolean current = digitalRead(BUTTON); \/\/Read the button state
if (last != current) \/\/if it's different...
{
delay(5); \/\/wait 5ms
current = digitalRead(BUTTON); \/\/read it again
}
return current; \/\/return the current value
}

void receiveEvent(int bytes) {
x = Wire.read(); \/\/ read one character from the I2C
}
\/\/ i2c counter

void loop() {

currentButton = debounce(lastButton); \/\/read debounced state
if (lastButton == LOW && currentButton == HIGH) \/\/if it was pressed...
{
ledMode++; \/\/increment the LED value
}
lastButton = currentButton; \/\/reset button value
\/\/if you\u2019ve cycled through the different options, reset the counter to 0
if (ledMode == 8) ledMode = 0;
setMode(ledMode);

\/*
\/\/ test all LED display
digitalWrite(latchPin_7Segment,LOW);
shiftOut(dataPin_8Segment,clockPin_8Segment,LSBFIRST,LEDsOn);
digitalWrite(latchPin_7Segment,HIGH);
delay(dt);
*\/

\/\/ i2c counter
if (x == 1) {
\/\/LED display
digitalWrite(latchPin_7Segment,LOW);
shiftOut(dataPin_8Segment,clockPin_8Segment,LSBFIRST,LEDOne);
digitalWrite(latchPin_7Segment,HIGH);
}

if (x == 2) {

digitalWrite(latchPin_7Segment,LOW);
shiftOut(dataPin_8Segment,clockPin_8Segment,LSBFIRST,LEDTwo);
digitalWrite(latchPin_7Segment,HIGH);
}

if (x == 3) {

\/\/LED display
digitalWrite(latchPin_7Segment,LOW);
shiftOut(dataPin_8Segment,clockPin_8Segment,LSBFIRST,LEDThree);
digitalWrite(latchPin_7Segment,HIGH);
}

if (x == 4) {

digitalWrite(latchPin_7Segment,LOW);
shiftOut(dataPin_8Segment,clockPin_8Segment,LSBFIRST,LEDFour);
digitalWrite(latchPin_7Segment,HIGH);
}

if (x == 5) {
digitalWrite(LED, HIGH);
\/\/LED display
digitalWrite(latchPin_7Segment,LOW);
shiftOut(dataPin_8Segment,clockPin_8Segment,LSBFIRST,LEDFive);
digitalWrite(latchPin_7Segment,HIGH);
}
else {
digitalWrite(LED, LOW);
}

if (x == 6) {
digitalWrite(LED, HIGH);
\/\/ i2c counter

\/\/ 8 segment LED for x counter
digitalWrite(latchPin_7Segment,LOW);
shiftOut(dataPin_8Segment,clockPin_8Segment,LSBFIRST,LEDSix);
digitalWrite(latchPin_7Segment,HIGH);
}

\/*
\/\/test rgb
digitalWrite(RLED, LOW); 
delay(100); 
digitalWrite(RLED, HIGH); 
delay(200);

digitalWrite(GLED, LOW); 
delay(100); 
digitalWrite(GLED, HIGH); 
delay(200);

digitalWrite(BLED, LOW);
delay(100); 
digitalWrite(BLED, HIGH);
delay(200); 
*\/

}<\/pre>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"
I have been reading Jeremy Blum’s Exploring Arduino.\u00a0\u00a0 I had a RGB LED in the box.\u00a0\u00a0 So I decided to try his code out.\u00a0\u00a0 The only difference was the type.\u00a0 It was a cathode RGB LED.\u00a0 To get it to work, I had to take it to the ground instead of 5V.\u00a0\u00a0\u00a0 I connected it […]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":709,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"ocean_post_layout":"","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"0","ocean_second_sidebar":"0","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"custom","ocean_center_header_left_menu":"0","ocean_custom_header_template":"7190","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"0","ocean_menu_typo_font_family":"0","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"default","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"0","osh_disable_topbar_sticky":"default","osh_disable_header_sticky":"default","osh_sticky_header_style":"default","osh_sticky_header_effect":"","osh_custom_sticky_logo":0,"osh_custom_retina_sticky_logo":0,"osh_custom_sticky_logo_height":0,"osh_background_color":"","osh_links_color":"","osh_links_hover_color":"","osh_links_active_color":"","osh_links_bg_color":"","osh_links_hover_bg_color":"","osh_links_active_bg_color":"","osh_menu_social_links_color":"","osh_menu_social_hover_links_color":"","footnotes":""},"class_list":["post-747","page","type-page","status-publish","hentry","entry"],"yoast_head":"\nArd_RGB_LED 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