{"id":2745,"date":"2020-12-27T00:15:34","date_gmt":"2020-12-26T16:15:34","guid":{"rendered":"https:\/\/jir.idv.tw\/wordpress\/?p=2745"},"modified":"2025-12-09T11:37:40","modified_gmt":"2025-12-09T03:37:40","slug":"diy%e7%a6%8f%e7%89%b9st170%e7%9a%84imrc%e6%a8%a1%e7%b5%84%ef%bc%8c%e5%a4%96%e6%8e%9barduino%e9%9c%8d%e7%88%be%e6%84%9f%e6%87%89%e5%99%a8%e6%8a%93%e5%bc%95%e6%93%8e%e8%bd%89%e9%80%9f%e9%a9%85","status":"publish","type":"post","link":"https:\/\/jir.idv.tw\/wordpress\/?p=2745","title":{"rendered":"[DIY]\u798f\u7279ST170\u7684IMRC\u6a21\u7d44\uff0c\u5916\u639bArduino+\u970d\u723e\u611f\u61c9\u5668\u6293\u5f15\u64ce\u8f49\u901f\u9a45\u52d5"},"content":{"rendered":"

*** \u7de8\u8f2f\u66f4\u65b0\uff1a2025.12.08 ***<\/p>\n

\"\"<\/a><\/p>\n

\u524d\u8a00\uff0c\u6211\u9019\u53f0ST170\u7684IMRC\u6a21\u7d44\uff0c\u96d6\u7136\u56e0\u70ba\u8df3\u4e86P1518\u5f8c\u63db\u4e86\u4e00\u9846\u65b0\u7684\u4e0d\u6703\u518d\u51fa\u73fe\u8b66\u5831\u3002
\n\u4f46\u662f\u5f8c\u4f86\u6709\u660e\u78ba\u767c\u73fe\uff0c\u5728\u5f15\u64ce\u555f\u52d5\u6642\uff0c\u90fd\u6c92\u6709\u505a\u6b63\u5e38\u7684\u958b\u555f(\u9577\u901a\u9053\u5faa\u74b0)\u7684\u904b\u4f5c\uff0c\u9020\u6210\u8d77\u6b65\u548c\u52a0\u901f\u76f8\u5c0d\u7121\u529b\u3001\u4ee5\u53ca\u8017\u6cb9\u554f\u984c\u3002
\n\u770b\u96fb\u8def\u5716\uff0c\u731c\u4ed6\u53ef\u80fd\u7dda\u7d44\u7684\u4e2d\u7e7c\u63a5\u982d\u61c9\u8a72\u662f\u6709\u63a5\u89f8\u4e0d\u826f\u624d\u9020\u6210\u9019\u6a23\uff0c\u4f46\u662f\u6211\u4e5f\u61f6\u5f97\u62c6\u5728\u6771\u62c6\u897f\u67e5\u4fee\u4e86\u3002
\n\u4e7e\u8106\u76f4\u63a5\u7528\u5916\u639b\u76e3\u63a7\u548c\u9a45\u52d5\u7684\u65b9\u5f0f\u53bb\u63a7\u5236IMRC\u6a21\u7d44\u4f55\u6642\u7528\u77ed\u901a\u9053\u548c\u9577\u901a\u9053\u3002
\n\u57fa\u672c\u8981\u63a7\u5236IMRC\u6a21\u7d44\u7684\u5730\u65b9\uff0c\u5c31\u662f\u63a5\u982d\u7684PIN1(GND)\u548cPIN3(SIGNAL CONTRL)\u8173\u3002
\n\u7576\u8a0a\u865f\u63a5\u5730\uff0c\u4ed6\u5c31\u6703\u505a\u52d5\u6210\u9577\u901a\u9053\u6a21\u5f0f\uff0c\u9069\u75286000RPM\u4ee5\u4e0b\u7684\u4f4e\u901f\u626d\u529b\u9700\u6c42\u3002
\n\u7576\u8a0a\u865f\u65b7\u8def\uff0c\u4ed6\u5247\u6703\u6062\u5fa9\u653e\u9b06\u6210\u77ed\u901a\u9053\u6a21\u5f0f\uff0c\u9069\u75286000-8500RPM\u7684\u9ad8\u901f\u5438\u6c23\u9700\u6c42\u3002
\n\u5982\u679c\u4e0d\u60f3\u8981\u505a\u52d5\uff0c\u53ea\u662f\u8981\u5f37\u5236ACC\u5f8c\u56fa\u5b9a\u9577\u901a\u9053\uff0c\u4e5f\u53ef\u4ee5\u62ff\u4e00\u500b\u4e8c\u6975\u9ad4\u76f4\u63a5\u5169\u8173\u4f4d\u5c0e\u901a\u5c31\u597d\u3002<\/p>\n

NOTE:
\n1. ACC\u7d05\u706b\u555f\u52d5\uff0cPCM\u6703\u4f7fPIN3\u5c0e\u901a\u63a5\u5730\uff0cIMRC\u6a21\u7d44\u65bc1.5s\u5167\u8981\u62c9\u92fc\u7d22\uff0c\u628a\u9032\u6c23\u5c90\u7ba1\u8f49\u5230\u9577\u901a\u9053(\u626d\u529b\u6a21\u5f0f)\u3002
\n2. IMRC\u6a21\u7d44\u92fc\u7d22\u62c9\u52d5\u5f8c\uff0c\u88e1\u9762\u7684\u9285\u7247\u91d1\u5c6c\u63a5\u9ede\u7d50\u5408\uff0c\u89f8\u767c\u96fb\u963b75R\u8ff4\u8def\u7d66PIN5\u548cPIN6\uff0c\u544a\u77e5PCM\u92fc\u7d22\u6a5f\u69cb\u6c92\u6709\u5361\u4f4f\u3002<\/p>\n

\"\"<\/a>
\n\"\"<\/a><\/p>\n

(1) \u65b9\u6848\u4e00\uff0c\u5916\u90e8\u611f\u61c9\u8f49\u901f\u8a0a\u865f\uff0c\u5f37\u5236IMRC\u6a21\u7d44\u4e0d\u7d93\u904ePCM\u63a7\u5236\uff0c\u5c0e\u901a\u62c9\u52d5\uff0f\u653e\u9b06\u92fc\u7d22<\/strong>
\n\u9700\u6c42\u6750\u6599\uff1a
\nArduino NANO\u677f
\nHALL\u611f\u61c9\u5668\u6a21\u7d44
\n1\u8def5V RELAY\u6a21\u7d44
\n12V\u8f495V\u96fb\u6e90\u8f49\u63db\u6a21\u7d44
\nPVC\u7d5e\u7dda0.5\u62160.3mm^2\uff0c\u56db\u5fc3\u7dda
\n\u8173\u4f4d\u7e9c\u7dda<\/p>\n

\u914d\u7dda\uff1a
\nIMRC\u6a21\u7d44\u7684PIN1(GND)\u3001PIN2(VCC)\u3001PIN3(CONTROL)\uff1b12V\u6b63\u96fb\u548c\u63a5\u5730\u63a5\u523012V\u8f495V\u6a21\u7d44\uff1b\u63a7\u5236\u7dda\u548c\u63a5\u5730\u5247\u5206\u5225\u63a5\u5230RELAY\u6a21\u7d44\u7684NC\u548cCOM\u3002
\nHALL\u611f\u61c9\u5668\u6a21\u7d44\u7684\u6b63\u6975\u63a53.3V\u3001\u8ca0\u6975\u63a5GND\u3001\u6578\u4f4d\u8a0a\u865f\u63a57\u865f\u8173\u3002
\nRELAY\u6a21\u7d44\u7684\u6b63\u6975\u63a512\u865f\u8173\uff0c\u8ca0\u6975\u63a5GND\u3002
\n12V\u8f495V\u6a21\u7d44\u7684USB\u8f38\u51fa\u7dda\uff0c\u63a5Arduino NANO\u677f\u7684USB\u96fb\u6e90\u7dda<\/p>\n

\"\"<\/a> \"\"<\/a>
\n\"\"<\/a> \"\"<\/a><\/p>\n

\u5de5\u4f5c\u5224\u65b7\u8a2d\u8a08\u539f\u7406\uff1a
\n\u970d\u723e\u611f\u61c9\u5668\u56de\u994b\u8a0a\u865f\u7d667\u865f\u8173\uff0c\u8a08\u7b97\u6bd4\u5c0d\u7576\u4e0b\u7684\u5f15\u64ce\u8f49\u901f\u503c\u3002
\n\u5224\u65b7\u75763900RPM\u65bc0.5\u79d2\u5f8c\uff0c\u53c8\u8d85\u904e4000RPM\u6642\uff0c\u524712\u865f\u8173\u8f38\u51fa\u7d66RELAY\uff0c\u8b93\u672c\u4f86PIN1\u548cPIN3\u77ed\u8def\u72c0\u614b\u8b8a\u65b7\u8def\u3002<\/p>\n

\u904e\u7a0b\u4e2d\uff0c\u767c\u73feRELAY\u6703\u4e82\u505a\u52d5\u3002
\n\u7528Serial\u57e0\u898b\u63a7\u6578\u503c\u5f8c\uff0c\u6020\u901f\u4e0b\u56de\u994b\u7684RPM\u8f49\u901f\u8a0a\u865f\u8a08\u7b97\u503c\u6703\u78349000~12000RPM\u5de6\u53f3\u7684\u8aa4\u5dee\u503c~XD
\n\u770b\u8d77\u4f86\u6211\u5b89\u88ddSENSOR\u7684\u4f4d\u7f6e\uff0c\u6709\u6975\u5927\u7684\u96dc\u8a0a\u6703\u9020\u6210\u5e72\u64fe\u8aa4\u7b97\u3002
\n\u6240\u4ee5\u5148\u4e0b\u4e00\u500b\u9664\u4ee512\u500d\u7684\u65b9\u5f0f\u505a\u521d\u6b65\u7684\u6ffe\u6ce2\u8a08\u7b97\uff0c\u770b\u8d77\u4f86\u5c31\u80fd\u76f8\u5c0d\u6b63\u5e38\u8a08\u7b97\u7e7c\u96fb\u5668\u7684\u555f\u9589\u6642\u6a5f\u4e86\u3002<\/p>\n

\u7b49\u6709\u7a7a\u4e00\u9ede\uff0c\u6539\u6210\u76e3\u63a7\u9ede\u706b\u96fb\u6676\u9ad4\u768412V\u8a0a\u865f\u597d\u4e86\u3002
\n\u9019\u500b\u61c9\u8a72\u4e0d\u6703\u6709\u5468\u906d\u96fb\u5834\u7684\u96dc\u8a0a\u5e72\u64fe\uff0c\u53ea\u662f\u8981\u600e\u9ebc\u76e3\u63a7\u8a0a\u865f\uff0c\u53c8\u4e0d\u5e72\u64fe\u9ede\u706b\u7cfb\u7d71\u7684\u9ad8\u963b\u6297\u96fb\u8def\uff0c\u6211\u8981\u518d\u60f3\u60f3\u3002<\/p>\n

\u5229\u7528EasyEDA\u8edf\u9ad4\u88fd\u4f5c\u6210\u54c1\uff0cPDF\u539f\u59cb\u6a94\u9023\u7d50\uff1a
\nSchematic_ST170_ext.control_IMRC diagram_251113<\/strong><\/a>
\n**\u6b64\u6587\u4ef6\u5df2\u6709\u66f4\u65b0\u8abf\u6574\u63a5\u7dda\u3001\u516c\u6bcd\u63a5\u982d\u8173\u4f4d\u5224\u8b80\u3001BYPASS\u7684\u7e7c\u96fb\u5668\u63a5\u6cd5\u3002<\/p>\n

\u6700\u65b0\u7a0b\u5f0f\u78bc\u540c\u6b65\u66f4\u65b0\u5728GitHub\u90a3\u88cf\uff1ahttps:\/\/github.com\/Jir8taiwan\/ST170_ext.control_IMRC<\/a>
\n\u7a0b\u5f0f\u78bc\uff1a
\n
\n \/\/ digital pin 7 is the hall pin
\nint hall_pin = 7;
\n\/\/ set number of hall trips for RPM reading (higher improves accuracy)
\nfloat hall_thresh = 100.0;
\n\/\/float hall_thresh = 50.0;<\/p>\n

int signalstatus = 0;
\nint oldsignalstatus = 0;
\nint relaystatus = 0;<\/p>\n

void setup() {
\n \/\/ initialize serial communication at 9600 bits per second:
\n Serial.begin(115200);
\n \/\/ make the hall pin an input:
\n pinMode(hall_pin, INPUT);<\/p>\n

pinMode(12,OUTPUT); \/\/Relay signal active
\n digitalWrite(12,LOW); \/\/Relay default off
\n delay(500);
\n \/\/pinMode(8,OUTPUT); \/\/Pin 8 borrow as power 5v for Relay
\n \/\/digitalWrite(8,HIGH); \/\/Pin 8 borrow as power 5v for Relay
\n \/\/delay(500);
\n}<\/p>\n

\/\/ the loop routine runs over and over again forever:
\nvoid loop() {
\n \/\/ preallocate values for tach
\n float hall_count = 1.0;
\n float start = micros();
\n bool on_state = false;
\n \/\/ counting number of times the hall sensor is tripped
\n \/\/ but without double counting during the same trip
\n while(true){
\n if (digitalRead(hall_pin)==0){
\n if (on_state==false){
\n on_state = true;
\n hall_count+=1.0;
\n }
\n } else{
\n on_state = false;
\n }<\/p>\n

if (hall_count>=hall_thresh){
\n break;
\n }
\n }<\/p>\n

\/\/ print information about Time and RPM
\n float end_time = micros();
\n float time_passed = ((end_time-start)\/1000000.0);
\n Serial.print(\"Time Passed: \");
\n Serial.print(time_passed);
\n Serial.println(\"s\");
\n float rpm_val = (hall_count\/time_passed)*60.0;
\n Serial.print(rpm_val);
\n Serial.println(\" RPM\");
\n delay(1); \/\/ delay in between reads for stability<\/p>\n

SIGNALFILTER:
\n signalstatus = digitalRead(12); \/\/memory pin12 condition
\n if ((signalstatus == HIGH) && (oldsignalstatus == LOW)){
\n relaystatus = 1 - relaystatus;
\n delay(300);
\n }
\n oldsignalstatus == signalstatus;
\n if (relaystatus == 1){
\n digitalWrite(12, HIGH);
\n }
\n else {
\n digitalWrite(12, LOW);
\n }
\n COMPARERPM:
\n if(rpm_val\/12>3900){ \/\/ fix filter 12 times of error
\n delay(500);
\n if(rpm_val\/12>4000){
\n digitalWrite(12, HIGH);
\n delay(500);
\n }
\n } else {
\n digitalWrite(12, LOW); \/\/Others, relay keep NC
\n delay(100);
\n }
\n}
\n<\/code><\/p>\n

(2) \u65b9\u6848\u4e8c\uff0c\u4fdd\u6301PCM\u63a7\u5236\u8a0a\u865f\uff0cIMRC\u6a21\u7d44\u5167\u90e8\u8ff4\u8def\u4fee\u6539\uff0c\u7531\u5916\u639bDC\u99ac\u9054\u9a45\u52d5\u5668\uff0c\u5c0e\u901a\u62c9\u52d5\uff0f\u653e\u9b06\u92fc\u7d22<\/strong>
\n(\u6587\u4ef6\u7de8\u8f2f\u3001\u5de5\u4f5c\u9a57\u8b49\u4e2d)<\/p>\n

\u4fee\u6539\u63a7\u5236\u914d\u7dda\u5716\uff1a
\n\"\"<\/a><\/p>\n

\u6750\u6599\uff1a
\nArduino Nano
\nBTS7960
\nDC-DC5V
\n\u516c\u3001\u6bcd\u63d2\u982d
\n6C\u62162C+4C 0.75mm(1.25mm)\u96fb\u7e9c\u7dda<\/p>\n

.INO\u7a0b\u5f0f\u78bc\uff1a
\nArduinoIMRC_DCmotorControl_251106.ino<\/a><\/p>\n

(3) \u65b9\u6848\u4e09\uff0c\u4fdd\u6301PCM\u63a7\u5236\u8a0a\u865f\uff0cIMRC\u6a21\u7d44\u6574\u7d44\u6539\u6210\u5ba2\u88fd\u5168\u6a21\u7d44\u76f4\u6d41\u9a45\u52d5\u99ac\u9054\u8f49\u52d5\u92fc\u7d22\u6a5f\u69cb<\/strong>
\n(\u5c08\u6848\u8a08\u756b\u5efa\u69cb\u4e2d)<\/p>\n

\u5176\u4ed6\u53c3\u8003\u6587\u7ae0\uff1a
\nhttp:\/\/stm32-learning.blogspot.com\/2014\/05\/arduino.html<\/a>
\nhttp:\/\/59.126.75.42\/blog\/blog.php?uid=shadow&id=1862<\/a>
\nhttps:\/\/makersportal.com\/blog\/2018\/10\/3\/arduino-tachometer-using-a-hall-effect-sensor-to-measure-rotations-from-a-fan<\/a>
\nhttps:\/\/kokoraskostas.blogspot.com\/2013\/12\/arduino-inductive-spark-plug-sensor.html<\/a>
\nhttps:\/\/www.scribd.com\/document\/758299998\/Manual-IMRC<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

*** \u7de8\u8f2f\u66f4\u65b0\uff1a2025.12.08 *** \u524d\u8a00\uff0c\u6211\u9019\u53f0ST170\u7684IMRC\u6a21\u7d44\uff0c\u96d6\u7136\u56e0\u70ba\u8df3\u4e86P1518\u5f8c\u63db\u4e86\u4e00\u9846\u65b0\u7684\u4e0d\u6703\u518d\u51fa\u73fe\u8b66\u5831\u3002 \u4f46\u662f\u5f8c\u4f86\u6709\u660e\u78ba\u767c\u73fe\uff0c\u5728\u5f15\u64ce\u555f\u52d5\u6642\uff0c\u90fd\u6c92\u6709\u505a\u6b63\u5e38\u7684\u958b\u555f(\u9577\u901a\u9053\u5faa\u74b0)\u7684\u904b\u4f5c\uff0c\u9020\u6210\u8d77\u6b65\u548c\u52a0\u901f\u76f8\u5c0d\u7121\u529b\u3001\u4ee5\u53ca\u8017\u6cb9\u554f\u984c\u3002 \u770b\u96fb\u8def\u5716\uff0c\u731c\u4ed6\u53ef\u80fd\u7dda\u7d44\u7684\u4e2d\u7e7c\u63a5\u982d\u61c9\u8a72\u662f\u6709\u63a5\u89f8\u4e0d\u826f\u624d\u9020\u6210\u9019\u6a23\uff0c\u4f46\u662f\u6211\u4e5f\u61f6\u5f97\u62c6\u5728\u6771\u62c6\u897f\u67e5\u4fee\u4e86\u3002 \u4e7e\u8106\u76f4\u63a5\u7528\u5916\u639b\u76e3\u63a7\u548c\u9a45\u52d5\u7684\u65b9\u5f0f\u53bb\u63a7\u5236IMRC\u6a21\u7d44\u4f55\u6642\u7528\u77ed\u901a\u9053\u548c\u9577\u901a\u9053\u3002 \u57fa\u672c\u8981\u63a7\u5236IMRC\u6a21\u7d44\u7684\u5730\u65b9\uff0c\u5c31\u662f\u63a5\u982d\u7684PIN1(GND)\u548cPIN3(SIGNAL CONTRL)\u8173\u3002 \u7576\u8a0a\u865f\u63a5\u5730\uff0c\u4ed6\u5c31\u6703\u505a\u52d5\u6210\u9577\u901a\u9053\u6a21\u5f0f\uff0c\u9069\u75286000RPM\u4ee5\u4e0b\u7684\u4f4e\u901f\u626d\u529b\u9700\u6c42\u3002 \u7576\u8a0a\u865f\u65b7\u8def\uff0c\u4ed6\u5247\u6703\u6062\u5fa9\u653e\u9b06\u6210\u77ed\u901a\u9053\u6a21\u5f0f\uff0c\u9069\u75286000-8500RPM\u7684\u9ad8\u901f\u5438\u6c23\u9700\u6c42\u3002 \u5982\u679c\u4e0d\u60f3\u8981\u505a\u52d5\uff0c\u53ea\u662f\u8981\u5f37\u5236ACC\u5f8c\u56fa\u5b9a\u9577\u901a\u9053\uff0c\u4e5f\u53ef\u4ee5\u62ff\u4e00\u500b\u4e8c\u6975\u9ad4\u76f4\u63a5\u5169\u8173\u4f4d\u5c0e\u901a\u5c31\u597d\u3002 NOTE: 1. ACC\u7d05\u706b\u555f\u52d5\uff0cPCM\u6703\u4f7fPIN3\u5c0e\u901a\u63a5\u5730\uff0cIMRC\u6a21\u7d44\u65bc1.5s\u5167\u8981\u62c9\u92fc\u7d22\uff0c\u628a\u9032\u6c23\u5c90\u7ba1\u8f49\u5230\u9577\u901a\u9053(\u626d\u529b\u6a21\u5f0f)\u3002 2. IMRC\u6a21\u7d44\u92fc\u7d22\u62c9\u52d5\u5f8c\uff0c\u88e1\u9762\u7684\u9285\u7247\u91d1\u5c6c\u63a5\u9ede\u7d50\u5408\uff0c\u89f8\u767c\u96fb\u963b75R\u8ff4\u8def\u7d66PIN5\u548cPIN6\uff0c\u544a\u77e5… Read more (\u5b8c\u6574\u6587\u7ae0\u5167\u5bb9)[DIY]\u798f\u7279ST170\u7684IMRC\u6a21\u7d44\uff0c\u5916\u639bArduino+\u970d\u723e\u611f\u61c9\u5668\u6293\u5f15\u64ce\u8f49\u901f\u9a45\u52d5<\/span><\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[6],"tags":[],"class_list":["post-2745","post","type-post","status-publish","format-standard","hentry","category-6","content-layout-excerpt-thumb"],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/jir.idv.tw\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/2745","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jir.idv.tw\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jir.idv.tw\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jir.idv.tw\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jir.idv.tw\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2745"}],"version-history":[{"count":15,"href":"https:\/\/jir.idv.tw\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/2745\/revisions"}],"predecessor-version":[{"id":3310,"href":"https:\/\/jir.idv.tw\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/2745\/revisions\/3310"}],"wp:attachment":[{"href":"https:\/\/jir.idv.tw\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2745"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jir.idv.tw\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2745"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jir.idv.tw\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2745"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}