Only use if making table with an Arduino.Step 1
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CODE:
// This is a demonstration on how to use an input device to trigger changes on your neo pixels. // You should wire a momentary push button to connect from ground to a digital IO pin. When you // press the button it will change to a new pixel animation. Note that you need to press the // button once to start the first animation! #include #define BUTTON_PIN 2 // Digital IO pin connected to the button. This will be // driven with a pull-up resistor so the switch should // pull the pin to ground momentarily. On a high -> low // transition the button press logic will execute. #define PIXEL_PIN 6 // Digital IO pin connected to the NeoPixels. #define PIXEL_COUNT 30 // Parameter 1 = number of pixels in strip, neopixel stick has 8 // Parameter 2 = pin number (most are valid) // Parameter 3 = pixel type flags, add together as needed: // NEO_RGB Pixels are wired for RGB bitstream // NEO_GRB Pixels are wired for GRB bitstream, correct for neopixel stick // NEO_KHZ400 400 KHz bitstream (e.g. FLORA pixels) // NEO_KHZ800 800 KHz bitstream (e.g. High Density LED strip), correct for neopixel stick Adafruit_NeoPixel strip = Adafruit_NeoPixel(PIXEL_COUNT, PIXEL_PIN, NEO_GRB + NEO_KHZ800); bool oldState = HIGH; int showType = 0; void setup() { pinMode(BUTTON_PIN, INPUT_PULLUP); strip.begin(); strip.show(); // Initialize all pixels to 'off' } void loop() { // Get current button state. bool newState = digitalRead(BUTTON_PIN); // Check if state changed from high to low (button press). if (newState == LOW && oldState == HIGH) { // Short delay to debounce button. delay(20); // Check if button is still low after debounce. newState = digitalRead(BUTTON_PIN); if (newState == LOW) { showType++; if (showType > 10) showType=0; startShow(showType); } } // Set the last button state to the old state. oldState = newState; } void startShow(int i) { switch(i){ case 0: colorWipe(strip.Color(0, 0, 0), 50); // Black/off break; case 1: colorWipe(strip.Color(255, 0, 0), 50); // Red break; case 2: colorWipe(strip.Color(255, 96, 0), 50); // orange break; case 3: colorWipe(strip.Color(255, 255, 0), 50); // yellow needs help break; case 4: colorWipe(strip.Color(0, 255, 0), 50); // green break; case 5: colorWipe(strip.Color(0, 0, 255), 50); // blue break; case 6: colorWipe(strip.Color(38, 222, 220), 50); // Teal break; case 7: colorWipe(strip.Color(75, 0, 13), 50); // Purple break; case 8: colorWipe(strip.Color(255, 0, 255), 50); // Pink break; case 9: colorWipe(strip.Color(252, 253, 253), 50); // white break; } } // Fill the dots one after the other with a color void colorWipe(uint32_t c, uint8_t wait) { for(uint16_t i=0; i strip.setPixelColor(i, c); strip.show(); delay(wait); } } void rainbow(uint8_t wait) { uint16_t i, j; for(j=0; j<256; j++) { for(i=0; i strip.setPixelColor(i, Wheel((i+j) & 255)); } strip.show(); delay(wait); } } // Input a value 0 to 255 to get a color value. // The colours are a transition r - g - b - back to r. uint32_t Wheel(byte WheelPos) { WheelPos = 255 - WheelPos; if(WheelPos < 85) { return strip.Color(255 - WheelPos * 3, 0, WheelPos * 3); } else if(WheelPos < 170) { WheelPos -= 85; return strip.Color(0, WheelPos * 3, 255 - WheelPos * 3); } else { WheelPos -= 170; return strip.Color(WheelPos * 3, 255 - WheelPos * 3, 0); } } |
CODE:
#include #include #define PIXEL_PIN 6 // Digital IO pin connected to the NeoPixels. #define PIXEL_COUNT 30 int showType; Adafruit_NeoPixel strip = Adafruit_NeoPixel(PIXEL_COUNT, PIXEL_PIN, NEO_GRB + NEO_KHZ800); CapacitiveSensor tapper = CapacitiveSensor(2, 4); void setup() { tapper.set_CS_AutocaL_Millis(0xFFFFFFFF); // turn off autocalibrate on channel 1 - just as an example Serial.begin(9600); strip.begin(); strip.show(); // Initialize all pixels to 'off } void loop() { long total1 = tapper.capacitiveSensor(30); if (total1 >= 300) { if (showType > 9){ showType = 0; startShow(showType);} else { startShow(showType); showType++; } } Serial.print("\t"); // tab character for debug window spacing Serial.print("\t"); Serial.print(total1); // print sensor output 1 Serial.print("\n"); } void startShow(int i) { switch (i) { case 0: colorWipe(strip.Color(0, 0, 0), 50); // Black/off break; case 1: colorWipe(strip.Color(255, 0, 0), 50); // Red break; case 2: colorWipe(strip.Color(255, 96, 0), 50); // orange break; case 3: colorWipe(strip.Color(255, 255, 0), 50); // yellow needs help break; case 4: colorWipe(strip.Color(0, 255, 0), 50); // green break; case 5: colorWipe(strip.Color(0, 0, 255), 50); // blue break; case 6: colorWipe(strip.Color(38, 222, 220), 50); // Teal break; case 7: colorWipe(strip.Color(75, 0, 13), 50); // Purple break; case 8: colorWipe(strip.Color(255, 0, 255), 50); // Pink break; case 9: colorWipe(strip.Color(252, 253, 253), 50); // white } } int lightCycle = 0; // Fill the dots one after the other with a color void colorWipe(uint32_t c, uint8_t wait) { for (uint16_t i = 0; i < strip.numPixels(); i++) { strip.setPixelColor(i, c); strip.show(); delay(wait); } } // Input a value 0 to 255 to get a color value. // The colours are a transition r - g - b - back to r. uint32_t Wheel(byte WheelPos) { WheelPos = 255 - WheelPos; if (WheelPos < 85) { return strip.Color(255 - WheelPos * 3, 0, WheelPos * 3); } else if (WheelPos < 170) { WheelPos -= 85; return strip.Color(0, WheelPos * 3, 255 - WheelPos * 3); } else { WheelPos -= 170; return strip.Color(WheelPos * 3, 255 - WheelPos * 3, 0); } } |
Final Code:
#include <CapacitiveSensor.h> #include <Adafruit_Neopixel.h> #define PIXEL_PIN 6 // Digital IO pin connected to the NeoPixels. #define PIXEL_COUNT 28 int showType; Adafruit_NeoPixel strip = Adafruit_NeoPixel(PIXEL_COUNT, PIXEL_PIN, NEO_GRB + NEO_KHZ800); CapacitiveSensor tapper = CapacitiveSensor(2, 4); void setup() { tapper.set_CS_AutocaL_Millis(0xFFFFFFFF); // turn off autocalibrate on channel 1 - just as an example Serial.begin(9600); strip.begin(); strip.show(); // Initialize all pixels to 'off } void loop() { long total1 = tapper.capacitiveSensor(30); if (total1 >= 2000) { if (showType > 9){ showType = 0; startShow(showType);} else { startShow(showType); showType++; } } Serial.print("\t"); // tab character for debug window spacing Serial.print("\t"); Serial.print(total1); // print sensor output 1 Serial.print("\n"); } void startShow(int i) { switch (i) { case 0: colorWipe(strip.Color(0, 0, 0), 50); // Black/off break; case 1: colorWipe(strip.Color(255, 0, 0), 50); // Red break; case 2: colorWipe(strip.Color(255, 96, 0), 50); // orange break; case 3: colorWipe(strip.Color(255, 255, 0), 50); // yellow needs help break; case 4: colorWipe(strip.Color(0, 255, 0), 50); // green break; case 5: colorWipe(strip.Color(0, 0, 255), 50); // blue break; case 6: colorWipe(strip.Color(38, 222, 220), 50); // Teal break; case 7: colorWipe(strip.Color(75, 0, 13), 50); // Purple break; case 8: colorWipe(strip.Color(255, 0, 255), 50); // Pink break; case 9: colorWipe(strip.Color(252, 253, 253), 50); // white } } int lightCycle = 0; // Fill the dots one after the other with a color void colorWipe(uint32_t c, uint8_t wait) { for (uint16_t i = 0; i < strip.numPixels(); i++) { strip.setPixelColor(i, c); strip.show(); delay(wait); } } // Input a value 0 to 255 to get a color value. // The colours are a transition r - g - b - back to r. uint32_t Wheel(byte WheelPos) { WheelPos = 255 - WheelPos; if (WheelPos < 85) { return strip.Color(255 - WheelPos * 3, 0, WheelPos * 3); } else if (WheelPos < 170) { WheelPos -= 85; return strip.Color(0, WheelPos * 3, 255 - WheelPos * 3); } else { WheelPos -= 170; return strip.Color(WheelPos * 3, 255 - WheelPos * 3, 0); } } |