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本帖最后由 shihaipeng04 于 2014-6-20 11:26 编辑
最新出锅链接淘宝网 http://item.taobao.com/item.htm?id=39370904218
目前套件基本准备完毕了。还有几个小障碍。
1.自己做的一套,始终没有能写出个完整的时间来。可能是因为安装的问题,写出来的字总是歪歪扭扭的。
2.整体结构不是很稳定,因为支撑的部分是T型,当摆臂剧烈摇晃的时候,可能会倒掉。也许是我的笔太重了。
3.虽然做了一个很不错的舵机连接的摆臂,但是发现不同的舵机,主轴直径还不一样。目前已经见到2种舵机了。
4.架子用亚克力胶粘接会更好。但是,这种胶又不太好运输。也许用502可以替代。还没有试验。
5.笔擦找朋友做3d打印去了,还没有出锅。
- #define CALIBRATION
- #define SERVOFAKTORLEFT 650
- #define SERVOFAKTORRIGHT 650
- #define SERVOLEFTNULL 2250
- #define SERVORIGHTNULL 920
- #define SERVOPINLIFT 2
- #define SERVOPINLEFT 3
- #define SERVOPINRIGHT 4
- #define LIFT0 1080 // on drawing surface
- #define LIFT1 925 // between numbers
- #define LIFT2 725 // going towards sweeper
- #define LIFTSPEED 1500
- #define L1 35
- #define L2 55.1
- #define L3 13.2
- #define O1X 22
- #define O1Y -25
- #define O2X 47
- #define O2Y -25
- #include <Time.h>
- #include <Servo.h>
- #include <Wire.h>
- #include <DS3231.h>
- int servoLift = 1500;
- Servo servo1; //
- Servo servo2; //
- Servo servo3; //
- volatile double lastX = 75;
- volatile double lastY = 47.5;
- int last_min = 0;
- void setup()
- {
- Serial.begin(9600);
- Wire.begin();
-
- drawTo(75.2, 47);
- lift(0);
- servo1.attach(SERVOPINLIFT); // lifting servo
- servo2.attach(SERVOPINLEFT); // left servo
- servo3.attach(SERVOPINRIGHT); // right servo
- delay(1000);
- }
- void loop()
- {
- int i = 0;
- if (last_min != minute()) {
- if (!servo1.attached()) servo1.attach(SERVOPINLIFT);
- if (!servo2.attached()) servo2.attach(SERVOPINLEFT);
- if (!servo3.attached()) servo3.attach(SERVOPINRIGHT);
- lift(0);
- hour();
- while ((i+1)*10 <= hour())
- {
- i++;
- }
- number(3, 3, 111, 1);
- number(5, 25, i, 0.9);
- number(19, 25, (hour()-i*10), 0.9);
- number(28, 25, 11, 0.9);
- i=0;
- while ((i+1)*10 <= minute())
- {
- i++;
- }
- number(34, 25, i, 0.9);
- number(48, 25, (minute()-i*10), 0.9);
- lift(2);
- drawTo(74.2, 47.5);
- lift(1);
- last_min = minute();
- servo1.detach();
- servo2.detach();
- servo3.detach();
- }
- }
- void number(float bx, float by, int num, float scale) {
- switch (num) {
- case 0:
- drawTo(bx + 12 * scale, by + 6 * scale);
- lift(0);
- bogenGZS(bx + 7 * scale, by + 10 * scale, 10 * scale, -0.8, 6.7, 0.5);
- lift(1);
- break;
- case 1:
- drawTo(bx + 3 * scale, by + 15 * scale);
- lift(0);
- drawTo(bx + 10 * scale, by + 20 * scale);
- drawTo(bx + 10 * scale, by + 0 * scale);
- lift(1);
- break;
- case 2:
- drawTo(bx + 2 * scale, by + 12 * scale);
- lift(0);
- bogenUZS(bx + 8 * scale, by + 14 * scale, 6 * scale, 3, -0.8, 1);
- drawTo(bx + 1 * scale, by + 0 * scale);
- drawTo(bx + 12 * scale, by + 0 * scale);
- lift(1);
- break;
- case 3:
- drawTo(bx + 2 * scale, by + 17 * scale);
- lift(0);
- bogenUZS(bx + 5 * scale, by + 15 * scale, 5 * scale, 3, -2, 1);
- bogenUZS(bx + 5 * scale, by + 5 * scale, 5 * scale, 1.57, -3, 1);
- lift(1);
- break;
- case 4:
- drawTo(bx + 10 * scale, by + 0 * scale);
- lift(0);
- drawTo(bx + 10 * scale, by + 20 * scale);
- drawTo(bx + 2 * scale, by + 6 * scale);
- drawTo(bx + 12 * scale, by + 6 * scale);
- lift(1);
- break;
- case 5:
- drawTo(bx + 2 * scale, by + 5 * scale);
- lift(0);
- bogenGZS(bx + 5 * scale, by + 6 * scale, 6 * scale, -2.5, 2, 1);
- drawTo(bx + 5 * scale, by + 20 * scale);
- drawTo(bx + 12 * scale, by + 20 * scale);
- lift(1);
- break;
- case 6:
- drawTo(bx + 2 * scale, by + 10 * scale);
- lift(0);
- bogenUZS(bx + 7 * scale, by + 6 * scale, 6 * scale, 2, -4.4, 1);
- drawTo(bx + 11 * scale, by + 20 * scale);
- lift(1);
- break;
- case 7:
- drawTo(bx + 2 * scale, by + 20 * scale);
- lift(0);
- drawTo(bx + 12 * scale, by + 20 * scale);
- drawTo(bx + 2 * scale, by + 0);
- lift(1);
- break;
- case 8:
- drawTo(bx + 5 * scale, by + 10 * scale);
- lift(0);
- bogenUZS(bx + 5 * scale, by + 15 * scale, 5 * scale, 4.7, -1.6, 1);
- bogenGZS(bx + 5 * scale, by + 5 * scale, 5 * scale, -4.7, 2, 1);
- lift(1);
- break;
- case 9:
- drawTo(bx + 9 * scale, by + 11 * scale);
- lift(0);
- bogenUZS(bx + 7 * scale, by + 15 * scale, 5 * scale, 4, -0.5, 1);
- drawTo(bx + 5 * scale, by + 0);
- lift(1);
- break;
- case 111:
- lift(0);
- drawTo(70, 46);
- drawTo(65, 43);
- drawTo(65, 49);
- drawTo(5, 49);
- drawTo(5, 45);
- drawTo(65, 45);
- drawTo(65, 40);
- drawTo(5, 40);
- drawTo(5, 35);
- drawTo(65, 35);
- drawTo(65, 30);
- drawTo(5, 30);
- drawTo(5, 25);
- drawTo(65, 25);
- drawTo(65, 20);
- drawTo(5, 20);
- drawTo(60, 44);
- drawTo(75.2, 47);
- lift(2);
- break;
- case 11:
- drawTo(bx + 5 * scale, by + 15 * scale);
- lift(0);
- bogenGZS(bx + 5 * scale, by + 15 * scale, 0.1 * scale, 1, -1, 1);
- lift(1);
- drawTo(bx + 5 * scale, by + 5 * scale);
- lift(0);
- bogenGZS(bx + 5 * scale, by + 5 * scale, 0.1 * scale, 1, -1, 1);
- lift(1);
- break;
- }
- }
- void lift(char lift) {
-
-
- switch (lift) {
- // room to optimize !
-
- case 0: //850
- if (servoLift >= LIFT0) {
- while (servoLift >= LIFT0)
- {
- servoLift--;
- servo1.writeMicroseconds(servoLift);
- delayMicroseconds(LIFTSPEED);
- }
- }
- else {
- while (servoLift <= LIFT0) {
- servoLift++;
- servo1.writeMicroseconds(servoLift);
- delayMicroseconds(LIFTSPEED);
- }
- }
- break;
- case 1: //150
- if (servoLift >= LIFT1) {
- while (servoLift >= LIFT1) {
- servoLift--;
- servo1.writeMicroseconds(servoLift);
- delayMicroseconds(LIFTSPEED);
- }
- }
- else {
- while (servoLift <= LIFT1) {
- servoLift++;
- servo1.writeMicroseconds(servoLift);
- delayMicroseconds(LIFTSPEED);
- }
- }
- break;
- case 2:
- if (servoLift >= LIFT2) {
- while (servoLift >= LIFT2) {
- servoLift--;
- servo1.writeMicroseconds(servoLift);
- delayMicroseconds(LIFTSPEED);
- }
- }
- else {
- while (servoLift <= LIFT2) {
- servoLift++;
- servo1.writeMicroseconds(servoLift);
- delayMicroseconds(LIFTSPEED);
- }
- }
- break;
- }
- }
- void bogenUZS(float bx, float by, float radius, int start, int ende, float sqee) {
- float inkr = -0.05;
- float count = 0;
- do {
- drawTo(sqee * radius * cos(start + count) + bx,
- radius * sin(start + count) + by);
- count += inkr;
- }
- while ((start + count) > ende);
- }
- void bogenGZS(float bx, float by, float radius, int start, int ende, float sqee) {
- float inkr = 0.05;
- float count = 0;
- do {
- drawTo(sqee * radius * cos(start + count) + bx,
- radius * sin(start + count) + by);
- count += inkr;
- }
- while ((start + count) <= ende);
- }
- void drawTo(double pX, double pY) {
- double dx, dy, c;
- int i;
- // dx dy of new point
- dx = pX - lastX;
- dy = pY - lastY;
- //path lenght in mm, times 4 equals 4 steps per mm
- c = floor(4 * sqrt(dx * dx + dy * dy));
- if (c < 1) c = 1;
- for (i = 0; i <= c; i++) {
- // draw line point by point
- set_XY(lastX + (i * dx / c), lastY + (i * dy / c));
- }
- lastX = pX;
- lastY = pY;
- }
- double return_angle(double a, double b, double c) {
- // cosine rule for angle between c and a
- return acos((a * a + c * c - b * b) / (2 * a * c));
- }
- void set_XY(double Tx, double Ty)
- {
- delay(1);
- double dx, dy, c, a1, a2, Hx, Hy;
- // calculate triangle between pen, servoLeft and arm joint
- // cartesian dx/dy
- dx = Tx - O1X;
- dy = Ty - O1Y;
- // polar lemgth (c) and angle (a1)
- c = sqrt(dx * dx + dy * dy); //
- a1 = atan2(dy, dx); //
- a2 = return_angle(L1, L2, c);
- servo2.writeMicroseconds(floor(((a2 + a1 - M_PI) * SERVOFAKTORLEFT) + SERVOLEFTNULL));
- // calculate joinr arm point for triangle of the right servo arm
- a2 = return_angle(L2, L1, c);
- Hx = Tx + L3 * cos((a1 - a2 + 0.621) + M_PI); //36,5°
- Hy = Ty + L3 * sin((a1 - a2 + 0.621) + M_PI);
- // calculate triangle between pen joint, servoRight and arm joint
- dx = Hx - O2X;
- dy = Hy - O2Y;
- c = sqrt(dx * dx + dy * dy);
- a1 = atan2(dy, dx);
- a2 = return_angle(L1, (L2 - L3), c);
- servo3.writeMicroseconds(floor(((a1 - a2) * SERVOFAKTORRIGHT) + SERVORIGHTNULL));
- }
复制代码
程序粘贴如上,希望有高人能对代码加以完善。
时钟模块,我用的是DS3231,如果是其他的时钟模块,修改一下.h文件就可以了,读取时间的代码没什么变化。
L1 L2 L3 是按照图纸的尺寸量的。不需要修改。
面板的左下角是坐标0,0,笔擦的位置是 75.2,47 单位是毫米,(因为摆臂的安装位置,可能需要再调节一下)
drawto函数是从当前笔位置,移动到相应的坐标。
程序很简单,调试很麻烦。
基础版本一套20¥,大家一起happy一下,目前在制作高阶版本,预计6.1上市。
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