1KyeK

Starry Sky Photography | Camera, Mobile Phone, Equatorial Mount, Galaxy Photography, Jupiter

Overview

手机追星拍摄效果https://www.bilibili.com/video/BV14g411m7Ut?vd_source=c748f0905deed633de7597d610ad91cc
3D模型文件在这个群里：681038889 里面保姆级教程
材料的购买：立创商城新人注册优惠券入口可以在这注册领30优惠券，在这里注册有时候还会有不定时的优惠券发放
手机拍摄效果：
手机直出，淡淡的银河系星河，实际上比这个好看一些。

快门速度：S，开到1分钟都不会有拖影。
AF对焦模式开到MF拉到无穷远拍星星
ISO是感光度，大晚上的不建议开超过400

加上了显示屏，使用方法看B站视频，
就是先用指星笔指到北极星，然后调整手机或者相机到你想拍的星星就行了。

大佬用照相机拍的木星

可能是仙女座吧

手机放外边可以打开自动点击器，这样可以间隔一段时间拍一张照片，后期叠加一下或者做个视频都是很方便的。

程序如下：

#include //定时器库的头文件#include
// 引入驱动OLED0.91所需的库#include #include
#define SCREEN_WIDTH 128 // 设置OLED宽度,单位:像素#define SCREEN_HEIGHT 32 // 设置OLED高度,单位:像素
// 自定义重置引脚,虽然教程未使用,但却是Adafruit_SSD1306库文件所必需的#define OLED_RESET 4Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
#define NS 7 //南北半球(正反转) #define a 5 //a+#define aa 6 //a-#define b 9 //b+#define bb 10 //b-#define SS0 12 //速度编码1#define SS1 11 //~2#define SS2 8 //~3#define scanMs 20 //定义扫描时间const int tab[8][4] = { {1, 0, 0, 0}, {1, 0, 1, 0}, {0, 0, 1, 0}, {0, 1, 1, 0}, {0, 1, 0, 0}, {0, 1, 0, 1}, {0, 0, 0, 1}, {1, 0, 0, 1}};static int tab_i = 0;//查表循环
//速度表： {{Ms},{Us}} 恒星速/5X/MAX /1h /2h /3h /5h /12h延时速度//计算：恒星日：23:56:04 = 86164s /2916/96/2 ~ 153.899ms/step//如需月亮速：89428s /2916/96/2~159.729ms/stepconst int Sptab[2][8] = { {153 , 30 , 0 , 6 , 12 , 19 , 32 , 76 }, {345 , 780, 800, 412, 824, 237, 162, 950}};void scanSp();long double previousMillis = 0; //上一次转换电平绝对时间int A = 0;int Comtime = 0; //补偿恒星速中断、读写、判断耗时 usint Comtimeset;float ms = 0.0;float us = 0.0;int ctl[4]; //0N1S, 2-5Speedint b1 = b;int bb1 = bb;
//int time1 = 0;//int time2;
void setup(){ display.begin(SSD1306_SWITCHCAPVCC, 0x3C); pinMode(a, OUTPUT); pinMode(aa, OUTPUT); pinMode(b, OUTPUT); pinMode(bb, OUTPUT); pinMode(NS, INPUT_PULLUP); //输入上拉南北半球(正反转) pinMode(SS0, INPUT_PULLUP); //speed pinMode(SS1, INPUT_PULLUP); // pinMode(SS2, INPUT_PULLUP); // pinMode(A1, INPUT); pinMode(A2, INPUT);
for (;;) {
if (!digitalRead(A1))//增加补偿 { delay(40); if (!digitalRead(A1)) { Comtime++; } Comtimeset = Comtime; } else if (!digitalRead(A2))//减小补偿 { delay(40); if (!digitalRead(A2)) { Comtime--; } Comtimeset = Comtime; }
words_display(); display.display();
if (digitalRead(2) && digitalRead(3)) //加减速按键同时按下，开始追星 { break; } } MsTimer2::set(scanMs, scanSp);//中断扫描引脚 MsTimer2::start();}
void scanSp(){ if (digitalRead(3))//kj { for (int i = 0; i <= 7; i++) { tt(a, aa, b1, bb1, i); delay(1); } }
if (digitalRead(2))//js { for (int i = 0; i <= 7; i++) { tt(a, aa, bb, b, i); delay(1000); } delay(100); } if (!digitalRead(A1))//kj { ctl[0] = digitalRead(NS); ctl[1] = digitalRead(SS0); ctl[2] = digitalRead(SS1); ctl[3] = digitalRead(SS2); Speed(ctl);//计算延时毫秒数 }
}
void words_display(){ ctl[0] = digitalRead(NS); ctl[1] = digitalRead(SS0); ctl[2] = digitalRead(SS1); ctl[3] = digitalRead(SS2); Speed(ctl);//计算延时毫秒数 int spp = ctl[3] + 2 * ctl[2] + 4 * ctl[1]; display.clearDisplay(); display.setTextColor(WHITE); display.setTextSize(1.5); display.setCursor(0, 0); display.print("speed:"); display.print(spp); display.setCursor(50, 0); display.print("HS:"); if (digitalRead(NS)) { display.print("N"); } else { display.print("S"); } display.setCursor(83, 0); display.print("RT:"); display.print(millis() / 1000); display.print("s"); display.setCursor(0, 10); display.print("CT:"); display.print(Comtime); display.setCursor(50, 10); display.print(int(ms)); display.print("MS "); display.print(int(us)); display.print("US");}void Speed(int ct[4]) //速度与方向{ int spp = ct[3] + 2 * ct[2] + 4 * ct[1]; // 0-7 if (ct[0] == 0) { b1 = b; bb1 = bb; } else { b1 = bb; bb1 = b; } switch (spp) { case 0: { //star000 ms = Sptab[0][0]; us = Sptab[1][0] - Comtime; } break; case 1: { //5Xstar001 ms = Sptab[0][1]; us = Sptab[1][1]; } break; case 7: { //MAX111 ms = Sptab[0][2]; us = Sptab[1][2]; } break; case 2: { //1h 010 ms = Sptab[0][3]; us = Sptab[1][3]; } break; case 3: { //2h 011 ms = Sptab[0][4]; us = Sptab[1][4]; } break; case 4: { //3h 100 ms = Sptab[0][5]; us = Sptab[1][5]; } break; case 5: { //5h 101 ms = Sptab[0][6]; us = Sptab[1][6]; } break; case 6: { //12h 110 ms = Sptab[0][7]; us = Sptab[1][7]; } break; default : { } break; } //Serial.println(ms); //Serial.println(us);}
void tt(int a1, int aa1, int b1, int bb1, int tab_i) //一个电机循环{ digitalWrite(a1, tab[tab_i][0]); digitalWrite(aa1, tab[tab_i][1]); digitalWrite(b1, tab[tab_i][2]); digitalWrite(bb1, tab[tab_i][3]);}
void loop() {
if (ms >= 20) { //大于20ms时才使用millis()计时 long double currentMillis = millis(); //time1 = micros(); tt(a, aa, b1, bb1, tab_i); if (currentMillis - previousMillis >= ms) { delayMicroseconds (us); previousMillis = currentMillis + us / 1000; tab_i++; if (tab_i >= 8) tab_i = 0; //time2 = micros(); //Serial.println(time2-time1); }
} else { for (int i = 0; i <= 7; i++) { tt(a, aa, b1, bb1, i); delay(ms); delayMicroseconds (us); } }
}

Design Files

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