Product Details

Back

Cushion Sensor coding Kit

New

Product Info
Price 66
Discounted Price $66.00 ($66.00 discount)
Discounted Amount Total Discounted Amount KRW
(Mobile Purchase Discount KRW )
Reward Points

$0(0%)

Reward points from Payment by Wire Transfer without Bankbook KRW %

Reward points from Payment by Credit Card KRW %

Reward points from Payment by Reward Points KRW %

Reward points from Payment by Reward Points KRW %

Reward points from Payment by Mobile Phone KRW %

Reward points from Payment by Store Credits KRW %

Reward points from Payment by Escrow KRW 0 %

Reward points from Payment by Virtual Account KRW 0 %

Reward points from Payment by Virtual Account KRW %

Shipping Method Parcel Service
Shipping Cost International Shipping Fee
Description
Shipping
Quantity up down  

Buy togehter

  • Seat sensor (mdxs-16-5610)

    $47.14

    Product Option
    Select Product
  • 아두이노용 방석 센서 쉴드

    $9.43

    Product Option
    Select Product
Product List
Product Info Product Remove
Total(Qty) 0

Discounted amount of your subtotal will appear when you place your orders.

CheckoutBackorder
CheckoutBackorder



This page will be updated in English.

Please see the technical document below. And see the Arduino source code in the bottom of this page


Link to Technical document(English) -Manual, CAD, ...








컬러맵으로 변환해서 보여줄 수 있는 예제입니다. 윈도우 PC용입니다.
프로세싱을 이용하여 코딩하며, 소스 코드를 제공합니다.




< 센서 보호 >
아래 그림처럼 센서를 방석 안에 넣어서 사용하면 파손을 방지할 수 있습니다.




예제) 압력 센서의 측정값을 시리얼 포트로 출력.
아두이노 나노를 사용하는 경우에는 16번째 줄의 'A3'를 'A7'로 바꿔주세요.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
 //  mux ic : 74HC4067. it can connect 16 pins with 4 signal pins
//  This shield adopts 2 mux ic. so it can connect 32 pins with 4 signal pis and 2 enable pins
int S0  = 5;
int S1  = 4;
int S2  = 3;
int S3  = 2;
 
//  mux ic selection pins. This shield uses 2 mux ic.
int En0 = 7;  //  Low enabled
int En1 = 6;  //  Low enabled
 
int controlPin[] = {S0,S1,S2,S3,En0,En1}; // same to {5, 4, 3, 2, 7, 6}
 
 
// adc pin, read sensor value.
int ADC_pin = A3; // Arduino ProMicro : A3, Arduino NANO : A7
 
//  adc data buffer
const int NUM_OF_CH = 32;
int sensor_data[NUM_OF_CH];
 
 
 
void setup() {
  pinMode(En0, OUTPUT);
  pinMode(En1, OUTPUT);
 
  pinMode(S0, OUTPUT);
  pinMode(S1, OUTPUT);
  pinMode(S2, OUTPUT);
  pinMode(S3, OUTPUT);
 
  Serial.begin(115200);
}
 
 
void loop() {
 
  //  read adc value. scan 32 channels of shield.
  for(int ch = 0 ; ch < NUM_OF_CH ; ch++){
    sensor_data[ch] = readMux(ch);
  }
 
 
  //  print to serial port
  for(int ch = 0; ch < NUM_OF_CH; ch++){
    Serial.print(sensor_data[ch]);
    Serial.print(",");  // comma is used as a delimiter.
  }
  Serial.println(" ");  // end of line. carriage return.
 
  delay(10); // sleep for 10 milli seconds. It slow down the speed. You can delete this line.
}
 
 
int readMux(int channel){
 
  int muxChannel[NUM_OF_CH][6]={ //  6 means number of digital control pins for 2 mux ic.
    //  {S0,S1,S2,S3,En0,En1}
    {0,0,0,0,0,1}, //channel 0. '0': pin out low, 1 : pin out high.
    {0,0,0,1,0,1}, //channel 1 It means S0=0, S1=0, S2=0, S3=1, En0=0, En1=1
    {0,0,1,0,0,1}, //channel 2
    {0,0,1,1,0,1}, //channel 3
    {0,1,0,0,0,1}, //channel 4
    {0,1,0,1,0,1}, //channel 5
    {0,1,1,0,0,1}, //channel 6
    {0,1,1,1,0,1}, //channel 7
    {1,0,0,0,0,1}, //channel 8
    {1,0,0,1,0,1}, //channel 9
    {1,0,1,0,0,1}, //channel 10
    {1,0,1,1,0,1}, //channel 11
    {1,1,0,0,0,1}, //channel 12. It means S0=1, S1=1, S2=0, S3=0, En0=0, En1=1
    {1,1,0,1,0,1}, //channel 13
    {1,1,1,0,0,1}, //channel 14
    {1,1,1,1,0,1}, //channel 15
    {0,0,0,0,1,0}, //channel 16
    {0,0,0,1,1,0}, //channel 17
    {0,0,1,0,1,0}, //channel 18
    {0,0,1,1,1,0}, //channel 19
    {0,1,0,0,1,0}, //channel 20
    {0,1,0,1,1,0}, //channel 21. It means S0=0, S1=1, S2=0, S3=1, En0=1, En1=0
    {0,1,1,0,1,0}, //channel 22
    {0,1,1,1,1,0}, //channel 23
    {1,0,0,0,1,0}, //channel 24
    {1,0,0,1,1,0}, //channel 25
    {1,0,1,0,1,0}, //channel 26
    {1,0,1,1,1,0}, //channel 27
    {1,1,0,0,1,0}, //channel 28
    {1,1,0,1,1,0}, //channel 29
    {1,1,1,0,1,0}, //channel 30
    {1,1,1,1,1,0}  //channel 31
  };
 
 
  // config 6 digital out pins of 2 mux ic.
  for(int i = 0; i < 6; i ++){
    digitalWrite(controlPin[i], muxChannel[channel][i]);
  }
 
  //read sensor value
  int adc_value = analogRead(ADC_pin);
 
  return adc_value;
}
cs



예제) 키보드 매핑 - 압력값에 따라 전후좌우 버튼이 눌리도록 설정됨.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
//  방석 센서 키패드 Ver 180712
//  기술 문의 : sales@mdex.co.kr , 마블덱스
//  방석 센서를 깔고 앉아서 전후좌우로 움직이면, 키보드 이벤트를 발생시킵니다.
//  설정 1, 2를 변경해서 바로 원하는 동작을 만들어보세요.
 
#include "Keyboard.h"
 
 
//----------------------------------------------
//  설정 1 - 키맵) 방향키
char KEY_MAP_row_1st   = KEY_UP_ARROW;    // ↑
char KEY_MAP_row_3rd   = KEY_DOWN_ARROW;  // ↓
char KEY_MAP_COP_left  = KEY_LEFT_ARROW;  // ←
char KEY_MAP_COP_right = KEY_RIGHT_ARROW; // →
 
//----------------------------------------------
// 설정 2 - 키맵) FPS 슈팅 게임용
//char KEY_MAP_row_1st   = 'w';
//char KEY_MAP_row_3rd   = 's';
//char KEY_MAP_COP_left  = 'a';
//char KEY_MAP_COP_right = 'd';
 
//  특수키:  https://www.arduino.cc/reference/en/language/functions/usb/keyboard/keyboardmodifiers/
//  일반 문자 : http://www.asciitable.com/
 
//----------------------------------------------
//  설정 - 키이벤트를 발생하는 문턱값. 무게중심의 좌표값. (범위 : -1.0 ~ 1.0)
//        문턱값을 넘기면 키가 눌리게 됨. 0 에 가까울수록 민감하게 동작.
const float THRESHOLD_COP_forth   = 0.3;    // 앞 쏠림. Y가 이 값보다 커야 키이벤트 발생.
const float THRESHOLD_COP_back    = -0.85;  // 뒤 쏠림. Y가 이 값보다 작아야 키이벤트 발생.
const float THRESHOLD_COP_left    = -0.22;  // 좌 쏠림. X가 이 값보다 작아야 키이벤트 발생.
const float THRESHOLD_COP_right   = 0.22;   // 우 쏠림. X가 이 값보다 커야 키이벤트 발생.
 
//----------------------------------------------
//  무효 판정 문턱값. 측정값이 아래 문턱값보다 낮으면 무시함.
const int THRESHOLD_SUM_row_1st   = 60;   // 1st row, front row
const int THRESHOLD_SUM_row_3rd   = 60;   // 3rd row, back row
const int THRESHOLD_SUM_row_2nd   = 105;  // 2nd row, left and right
const int THRESHOLD_SUM_VERT      = 60; // SUM? PRESSURE?
 
//----------------------------------------------
//  상수 - 방석의 셀 개수
const int CONST_SEAT_CELL_NUM_TOTAL = 31; // Total number of sensor cells = 31.
const int CONST_SEAT_CELL_NUM_ROW_1ST = 6;
const int CONST_SEAT_CELL_NUM_ROW_2ND = 15;
const int CONST_SEAT_CELL_NUM_ROW_3RD = 10;
 
 
 
//----------------------------------------------
//  변수
int adc_value[32]; // 센서 측정값 버퍼
bool is_key_pressed[256];  // 특정 키가 눌렸는지를 기록.
 
//----------------------------------------------
//  하드웨어 핀
int En0 = 7;  //  4 to 16 decoder 0, Low enabled
int En1 = 6;  //  4 to 16 decoder 1, Low enabled
 
int S0  = 5;
int S1  = 4;
int S2  = 3;
int S3  = 2;
int SIG_pin = A3; // common output of two decoder
 
 
void setup() {
  Serial.begin(115200);
  pinMode(En0, OUTPUT);
  pinMode(En1, OUTPUT);
 
  pinMode(S0, OUTPUT);
  pinMode(S1, OUTPUT);
  pinMode(S2, OUTPUT);
  pinMode(S3, OUTPUT);
 
  ResetKeyboardLog();
  Keyboard.begin();
  Keyboard.releaseAll();
}
 
void loop() {
   // Read 32 sensor cells.
  for(int i = 0 ; i < 32 ; i++){
    adc_value[i] = readMux(i);
  }
 
  /*
   *    방석 센서의 번호. 센서는 총 31개가 가로로 3줄로 배열되어 있습니다.
   *    아래 그림은 adc_value에 담긴 측정값이 어느 위치의 센서값인지를 설명합니다.
   *    예를 들어 adc_value[14]는 1번째 줄의 3번째 센서의 측정값입니다.
   *    adc_value[2]는 3번째 줄의 3번째 센서의 측정값입니다.
   *  1st row (6 cells):                       10, 12, 14, 16, 18, 20
   *  2nd row (15 cells) :   5, 6, 7, 8, 9, 11, 13, 15(center), 17, 19, 21, 22, 23, 24, 25
   *  3rd row (10 cells) :                 0, 1, 2, 3, 4, 26, 27, 28, 29, 30
   *
   * 무게 중심의 X 좌표는 2번 줄의 측정값으로 계산합니다.
   * 무게 중심의 Y 좌표는 1, 3번 줄의 측정값으로 계산합니다.
   */
 //---------------------------------------------------------
 //     1, 3번 줄의 측정값으로 무게 중심의 Y 좌표 계산하기
 //---------------------------------------------------------
  int sum_row_1st = adc_value[10]+adc_value[12]+adc_value[14]+adc_value[16]+adc_value[18]+adc_value[20];
 
  int sum_row_3rd =   adc_value[0]+adc_value[1]+adc_value[2]+adc_value[3]+adc_value[4]
                    +adc_value[26]+adc_value[27]+adc_value[28]+adc_value[29]+adc_value[30];
 
  int sum_vertical = sum_row_1st + sum_row_3rd;
 
  double avg_row_1st = sum_row_1st / CONST_SEAT_CELL_NUM_ROW_1ST;
  double avg_row_3rd = sum_row_3rd / CONST_SEAT_CELL_NUM_ROW_3RD;
 
  //  무게 중심의 Y 좌표 계산
  float cop_vertical = 0.0;
  if( 0 < sum_vertical) {
    cop_vertical = (avg_row_1st * (1) + avg_row_3rd * (-1)) / (avg_row_1st + avg_row_3rd);
  }
 
  //  키 이벤트 발생 - 앞 쏠림, 뒤 쏠림
  if( sum_vertical < THRESHOLD_SUM_VERT) {
    KEY_Release(KEY_MAP_row_1st);
    KEY_Release(KEY_MAP_row_3rd);
  }
  else {
    if(THRESHOLD_COP_forth < cop_vertical) {
      KEY_Release(KEY_MAP_row_3rd);
      KEY_Press(KEY_MAP_row_1st);
    }
    else if(cop_vertical < THRESHOLD_COP_back) {
      KEY_Release(KEY_MAP_row_1st);
      KEY_Press(KEY_MAP_row_3rd);
    }
    else {
      KEY_Release(KEY_MAP_row_1st);
      KEY_Release(KEY_MAP_row_3rd);
    }
  }
 
 //---------------------------------------------------------
 //     2번 줄의 측정값으로 무게 중심의 X 좌표 계산하기
 //---------------------------------------------------------
  int sum_row_2nd =  adc_value[5]+adc_value[6]+adc_value[7]+adc_value[8]+adc_value[9]
                    +adc_value[11]+adc_value[13]+adc_value[15]+adc_value[17]+adc_value[19]
                    +adc_value[21]+adc_value[22]+adc_value[23]+adc_value[24]+adc_value[25];
 
  //  센서 2 번째 줄의 15개 센서의 측정값에 위치별 가중치(-7~7))를 부여하여 더합니다.
  //  그것을 7로 나눠서 좌표 범위를 -1~1 로 한정합니다.
  int sum_wp_horizon = (  (-7)*adc_value[5]+(-6)*adc_value[6]+(-5)*adc_value[7]
                          +(-4)*adc_value[8]+(-3)*adc_value[9]+(-2)*adc_value[11]
                          +(-1)*adc_value[13]+(0)*adc_value[15]
                          +(1)*adc_value[17]+(2)*adc_value[19]+(3)*adc_value[21]
                          +(4)*adc_value[22]+(5)*adc_value[23]+(6)*adc_value[24]
                          +(7)*adc_value[25] ) / 7.0; // divide 7.0 ==> unitize. (-7.0~7.0)
 
  float cop_horizon = 0.0;
  //  무게 중심의 X 좌표 계산
  if(0 < sum_row_2nd) {
    cop_horizon = sum_wp_horizon / (double)sum_row_2nd;
  }
 
  //  키 이벤트 발생 - 좌 쏠림, 우 쏠림
  if(sum_row_2nd < THRESHOLD_SUM_row_2nd) {
    KEY_Release(KEY_MAP_COP_right);
    KEY_Release(KEY_MAP_COP_left);
  }
  else {
    //  press left
    if(cop_horizon < THRESHOLD_COP_left) {
      KEY_Release(KEY_MAP_COP_right);
      KEY_Press(KEY_MAP_COP_left);
    }
    //  press right
    else if(THRESHOLD_COP_right < cop_horizon) {
      KEY_Release(KEY_MAP_COP_left);
      KEY_Press(KEY_MAP_COP_right);  
    }
    //  release left, right
    else {
      KEY_Release(KEY_MAP_COP_right);
      KEY_Release(KEY_MAP_COP_left);
    }
  }
 
  //  무게 중심 계산값을 출력하여 확인하기.
  //  Print_XY(cop_horizon, cop_vertical);  
 
  delay(10);//delay
}
 
int readMux(int channel){
  int controlPin[] = {S0,S1,S2,S3,En0,En1};
 
  int muxChannel[32][6]={
    {0,0,0,0,0,1}, //channel 0
    {0,0,0,1,0,1}, //channel 1
    {0,0,1,0,0,1}, //channel 2
    {0,0,1,1,0,1}, //channel 3
    {0,1,0,0,0,1}, //channel 4
    {0,1,0,1,0,1}, //channel 5
    {0,1,1,0,0,1}, //channel 6
    {0,1,1,1,0,1}, //channel 7
    {1,0,0,0,0,1}, //channel 8
    {1,0,0,1,0,1}, //channel 9
    {1,0,1,0,0,1}, //channel 10
    {1,0,1,1,0,1}, //channel 11
    {1,1,0,0,0,1}, //channel 12
    {1,1,0,1,0,1}, //channel 13
    {1,1,1,0,0,1}, //channel 14
    {1,1,1,1,0,1}, //channel 15
    {0,0,0,0,1,0}, //channel 16
    {0,0,0,1,1,0}, //channel 17
    {0,0,1,0,1,0}, //channel 18
    {0,0,1,1,1,0}, //channel 19
    {0,1,0,0,1,0}, //channel 20
    {0,1,0,1,1,0}, //channel 21
    {0,1,1,0,1,0}, //channel 22
    {0,1,1,1,1,0}, //channel 23
    {1,0,0,0,1,0}, //channel 24
    {1,0,0,1,1,0}, //channel 25
    {1,0,1,0,1,0}, //channel 26
    {1,0,1,1,1,0}, //channel 27
    {1,1,0,0,1,0}, //channel 28
    {1,1,0,1,1,0}, //channel 29
    {1,1,1,0,1,0}, //channel 30
    {1,1,1,1,1,0}  //channel 31
  };
 
  //loop through the 6 sig (muxChannel has 6 values)
  for(int i = 0; i < 6; i ++){
    digitalWrite(controlPin[i], muxChannel[channel][i]);
  }
 
  //read the value at the SIG pin
  int val = analogRead(SIG_pin);
 
  return val;
}
 
void Print_XY(float x, float y) {
  Serial.print("x= ");
  Serial.print(x);
  Serial.print(", y= ");
  Serial.println(y);  
}
 
void ResetKeyboardLog(){
  memset(is_key_pressed, false, 256);
}
 
void  KEY_Press(byte key_index) {
  if(is_key_pressed[key_index] == false) {
      Keyboard.press(key_index);
      is_key_pressed[key_index] = true;
  }
}
 
void KEY_Release(byte key_index){
    Keyboard.release(key_index);
    is_key_pressed[key_index] = false;
}
 
cs

Product Details
Product Cushion Sensor coding Kit
Manufacturer Self-production
Country Republic of Korea
Price $66.00
Code P00000DX
Summary Data acquisition about seated person's posture through Arduino
Domestic / International Shipping oversea delivery
Payment for Shipping Parcel Service
Shipping (Charge) International Shipping Fee
수량 수량증가수량감소

Payment

Shipping

  • Shipping Method : Parcel Service
  • Shipping Area : A Region.
  • Shipping Cost : International Shipping Fee
  • Shipping Time : 3 - 5 days
  • About Shipping :

Returns/Exchanges

Product Inquiry

Product Reviews

Post Your Review See All

There are no posts to show

상품 Q&A

Product Inquiry See All

There are no posts to show

Seller Info

Related Items


WORLD SHIPPING

PLEASE SELECT THE DESTINATION COUNTRY AND LANGUAGE :

GO
close
Top