Alan and I made a small cardboard prototype of our stump. We painted “tree rings” with conductive paint and hooked it up to a neopixel strip. Each ring corresponds to a different light on the strip. We have also sliced our tree stump into smaller pieces and plan to hollow it out.
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| //Alan Tett and Abby Rinerson | |
| //ATLS 3300 Object, Spring 2019 | |
| //Final project prototype demo | |
| #include <CapacitiveSensor.h> | |
| #include <Adafruit_NeoPixel.h> | |
| #ifdef __AVR__ | |
| #include <avr/power.h> | |
| #endif | |
| #define PIN 11 | |
| Adafruit_NeoPixel strip = Adafruit_NeoPixel(10, PIN, NEO_GRB + NEO_KHZ800); | |
| //https://playground.arduino.cc/Main/CapacitiveSensor/ | |
| CapacitiveSensor ring1 = CapacitiveSensor(4, 2); | |
| CapacitiveSensor ring2 = CapacitiveSensor(4, 3); | |
| CapacitiveSensor ring3 = CapacitiveSensor(4, 5); | |
| CapacitiveSensor ring4 = CapacitiveSensor(4, 6); | |
| CapacitiveSensor ring5 = CapacitiveSensor(4, 8); | |
| void setup() { | |
| Serial.begin(9600); | |
| ring1.set_CS_AutocaL_Millis(0xFFFFFFFF); | |
| ring2.set_CS_AutocaL_Millis(0xFFFFFFFF); | |
| ring3.set_CS_AutocaL_Millis(0xFFFFFFFF); | |
| ring4.set_CS_AutocaL_Millis(0xFFFFFFFF); | |
| ring5.set_CS_AutocaL_Millis(0xFFFFFFFF); | |
| strip.begin(); | |
| strip.show(); | |
| } | |
| void loop() { | |
| int threshold = 200; | |
| long start = millis(); | |
| long total1 = ring1.capacitiveSensor(30); | |
| long total2 = ring2.capacitiveSensor(80); | |
| long total3 = ring3.capacitiveSensor(30); | |
| long total4 = ring4.capacitiveSensor(80); | |
| long total5 = ring5.capacitiveSensor(80); | |
| Serial.print(millis() – start); | |
| Serial.print("\t"); | |
| Serial.print(total1); | |
| Serial.print("\t"); | |
| Serial.print(total2); | |
| Serial.print("\t"); | |
| Serial.print(total3); | |
| Serial.print("\t"); | |
| Serial.print(total4); | |
| Serial.print("\t"); | |
| Serial.println(total5); | |
| delay(50); | |
| if (total1 > threshold) { | |
| strip.setPixelColor(1, total1, 0, total1); | |
| } | |
| else { | |
| strip.setPixelColor(1, 0, 0, 0); | |
| } | |
| if (total2 > threshold) { | |
| strip.setPixelColor(2, total2, 0, total2); | |
| } | |
| else { | |
| strip.setPixelColor(2, 0, 0, 0); | |
| } | |
| if (total3 > threshold) { | |
| strip.setPixelColor(3, total3, 0, total3); | |
| } | |
| else { | |
| strip.setPixelColor(3, 0, 0, 0); | |
| } | |
| if (total4 > threshold) { | |
| strip.setPixelColor(4, total4, 0, total4); | |
| } | |
| else{ | |
| strip.setPixelColor(4, 0, 0, 0); | |
| } | |
| if (total5 > threshold) { | |
| strip.setPixelColor(0, total5, 0, total5); | |
| } | |
| else{ | |
| strip.setPixelColor(0, 0, 0, 0); | |
| } | |
| strip.show(); | |
| delay(10); | |
| } |
Object 