Drone Hat

1. power up --> 4.5V bridge with 2N2222 transistor
2. up (connect) --> 3.3V bridge w/ 2N2222
3. down (connect) --> mechanical relay (5V) to gnd toggle
4. lower button (level) --> 3.3V bridge w/ 2N2222
5. upper button (launch) --> 3.3V bridge w/ 2N2222
6. upper button (land)



  1. // pkvi
  2. #include <Servo.h>
  3. #include "FastLED.h"
  5. Servo doors;
  6. int closed = 5;
  7. int openned = 40;
  9. #define NUM_LEDS 60
  10. CRGB leds[NUM_LEDS];
  11. #define PIN 4
  13. const int up = 3; // relay
  14. const int launch = 6;
  15. const int button = 7;
  16. const int level = 8;
  17. const int down = 10;
  18. const int power = 12;
  20. int buttonstate;
  21. int flystate = 0;
  23. void setup() {
  24.   FastLED.addLeds<WS2812, PIN, GRB>(leds, NUM_LEDS).setCorrection(TypicalLEDStrip);
  26.   doors.attach(11);
  27.   doors.write(closed);
  29.   pinMode(up, OUTPUT);
  30.   pinMode(launch, OUTPUT);
  31.   pinMode(button, INPUT);
  32.   pinMode(level, OUTPUT);
  33.   pinMode(down, OUTPUT);
  34.   pinMode(power, OUTPUT);
  36.   digitalWrite(up, LOW);
  37.   digitalWrite(launch, LOW);
  38.   digitalWrite(level, LOW);
  39.   digitalWrite(down, LOW);
  40.   digitalWrite(power, LOW);
  42.   delay(500);
  43. }
  45. void loop() {
  46.   buttonstate = digitalRead(button);
  47.   if (buttonstate == HIGH) {
  48.     if (flystate == 0) {
  49.       launchit();
  50.     } else if (flystate == 1) {
  51.       land();
  52.     } else {
  53.       // error
  54.     }
  55.   } else {
  56.     Sparkle(0x00, 0x00, 0xff, 0);
  57.   }
  58. }
  60. void launchit() {
  61.   doors.write(openned);
  62.   delay(1000);
  63.   doors.write(closed);
  64.   digitalWrite(power, HIGH);
  65.   delay(300);
  66.   digitalWrite(power, LOW);
  67.   delay(300);
  68.   digitalWrite(up, HIGH);
  69.   delay(750);
  70.   digitalWrite(up, LOW);
  71.   delay(300);
  72.   digitalWrite(down, HIGH);
  73.   delay(300);
  74.   digitalWrite(down, LOW);
  75.   delay(300);
  76.   digitalWrite(launch, HIGH);
  77.   delay(300);
  78.   digitalWrite(launch, LOW);
  79.   flystate = 1;
  80. }
  82. void land () {
  83.   digitalWrite(launch, HIGH);
  84.   delay(300);
  85.   digitalWrite(launch, LOW);
  86.   delay(300);
  87.   digitalWrite(power, HIGH);
  88.   delay(1500);
  89.   digitalWrite(power, LOW);
  90.   flystate = 0;
  91. }
  93. void Sparkle(byte red, byte green, byte blue, int SpeedDelay) {
  94.   int Pixel = random(NUM_LEDS);
  95.   setPixel(Pixel, red, green, blue);
  96.   showStrip();
  97.   delay(SpeedDelay);
  98.   setPixel(Pixel, 0, 0, 0);
  99. }
  101. void showStrip() {
  102. #ifdef ADAFRUIT_NEOPIXEL_H
  103.   // NeoPixel
  104.   strip.show();
  105. #endif
  106. #ifndef ADAFRUIT_NEOPIXEL_H
  107.   // FastLED
  108.   FastLED.show();
  109. #endif
  110. }
  112. void setPixel(int Pixel, byte red, byte green, byte blue) {
  113. #ifdef ADAFRUIT_NEOPIXEL_H
  114.   // NeoPixel
  115.   strip.setPixelColor(Pixel, strip.Color(red, green, blue));
  116. #endif
  117. #ifndef ADAFRUIT_NEOPIXEL_H
  118.   // FastLED
  119.   leds[Pixel].r = red;
  120.   leds[Pixel].g = green;
  121.   leds[Pixel].b = blue;
  122. #endif
  123. }
  125. void setAll(byte red, byte green, byte blue) {
  126.   for (int i = 0; i < NUM_LEDS; i++ ) {
  127.     setPixel(i, red, green, blue);
  128.   }
  129.   showStrip();
  130. }

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