added arduino rotary encoder

assets/front.js

@@ -1,14 +0,0 @@
-const socket = io();
-
-var myAudio = document.createElement('audio');
-myAudio.setAttribute('src','muddy_files.mp3');
-
-socket.on('speed', (speed) => {
-  console.log('recieved speed', speed);
-  
-  myAudio.playbackRate = speed;    
-});
-
-myAudio.playbackRate = 0.1;
-
-myAudio.play();

node-server/assets/front.js

@@ -0,0 +1,28 @@
+const socket = io();
+
+let last_position = null;
+let speed = 1;
+
+var myAudio = document.createElement('audio');
+myAudio.setAttribute('src','muddy_files.mp3');
+
+// socket.on('speed', (speed) => {
+//   console.log('recieved speed', speed);
+  
+//   myAudio.playbackRate = speed;    
+// });
+
+socket.on('position', (position) => {
+  console.log('recieved position', position);
+  // if(!last_position){
+  //   last_position = position;
+  // }else{
+  //   speed += position > last_position ? 0.1 : -0.1;
+  // }
+  // myAudio.playbackRate = speed;    
+});
+
+
+myAudio.playbackRate = speed;
+
+myAudio.play();

node-server/package-lock.json

@@ -11,6 +11,7 @@
       "dependencies": {
         "express": "^4.21.2",
         "pug": "^3.0.3",
+        "serialport": "^13.0.0",
         "socket.io": "^4.8.1"
       }
     },
@@ -60,6 +61,280 @@
         "node": ">=6.9.0"
       }
     },
+    "node_modules/@serialport/binding-mock": {
+      "version": "10.2.2",
+      "resolved": "https://registry.npmjs.org/@serialport/binding-mock/-/binding-mock-10.2.2.tgz",
+      "integrity": "sha512-HAFzGhk9OuFMpuor7aT5G1ChPgn5qSsklTFOTUX72Rl6p0xwcSVsRtG/xaGp6bxpN7fI9D/S8THLBWbBgS6ldw==",
+      "license": "MIT",
+      "dependencies": {
+        "@serialport/bindings-interface": "^1.2.1",
+        "debug": "^4.3.3"
+      },
+      "engines": {
+        "node": ">=12.0.0"
+      }
+    },
+    "node_modules/@serialport/binding-mock/node_modules/debug": {
+      "version": "4.4.1",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-4.4.1.tgz",
+      "integrity": "sha512-KcKCqiftBJcZr++7ykoDIEwSa3XWowTfNPo92BYxjXiyYEVrUQh2aLyhxBCwww+heortUFxEJYcRzosstTEBYQ==",
+      "license": "MIT",
+      "dependencies": {
+        "ms": "^2.1.3"
+      },
+      "engines": {
+        "node": ">=6.0"
+      },
+      "peerDependenciesMeta": {
+        "supports-color": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@serialport/binding-mock/node_modules/ms": {
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+      "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==",
+      "license": "MIT"
+    },
+    "node_modules/@serialport/bindings-cpp": {
+      "version": "13.0.0",
+      "resolved": "https://registry.npmjs.org/@serialport/bindings-cpp/-/bindings-cpp-13.0.0.tgz",
+      "integrity": "sha512-r25o4Bk/vaO1LyUfY/ulR6hCg/aWiN6Wo2ljVlb4Pj5bqWGcSRC4Vse4a9AcapuAu/FeBzHCbKMvRQeCuKjzIQ==",
+      "hasInstallScript": true,
+      "license": "MIT",
+      "dependencies": {
+        "@serialport/bindings-interface": "1.2.2",
+        "@serialport/parser-readline": "12.0.0",
+        "debug": "4.4.0",
+        "node-addon-api": "8.3.0",
+        "node-gyp-build": "4.8.4"
+      },
+      "engines": {
+        "node": ">=18.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/serialport/donate"
+      }
+    },
+    "node_modules/@serialport/bindings-cpp/node_modules/@serialport/parser-delimiter": {
+      "version": "12.0.0",
+      "resolved": "https://registry.npmjs.org/@serialport/parser-delimiter/-/parser-delimiter-12.0.0.tgz",
+      "integrity": "sha512-gu26tVt5lQoybhorLTPsH2j2LnX3AOP2x/34+DUSTNaUTzu2fBXw+isVjQJpUBFWu6aeQRZw5bJol5X9Gxjblw==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=12.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/serialport/donate"
+      }
+    },
+    "node_modules/@serialport/bindings-cpp/node_modules/@serialport/parser-readline": {
+      "version": "12.0.0",
+      "resolved": "https://registry.npmjs.org/@serialport/parser-readline/-/parser-readline-12.0.0.tgz",
+      "integrity": "sha512-O7cywCWC8PiOMvo/gglEBfAkLjp/SENEML46BXDykfKP5mTPM46XMaX1L0waWU6DXJpBgjaL7+yX6VriVPbN4w==",
+      "license": "MIT",
+      "dependencies": {
+        "@serialport/parser-delimiter": "12.0.0"
+      },
+      "engines": {
+        "node": ">=12.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/serialport/donate"
+      }
+    },
+    "node_modules/@serialport/bindings-cpp/node_modules/debug": {
+      "version": "4.4.0",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-4.4.0.tgz",
+      "integrity": "sha512-6WTZ/IxCY/T6BALoZHaE4ctp9xm+Z5kY/pzYaCHRFeyVhojxlrm+46y68HA6hr0TcwEssoxNiDEUJQjfPZ/RYA==",
+      "license": "MIT",
+      "dependencies": {
+        "ms": "^2.1.3"
+      },
+      "engines": {
+        "node": ">=6.0"
+      },
+      "peerDependenciesMeta": {
+        "supports-color": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@serialport/bindings-cpp/node_modules/ms": {
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+      "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==",
+      "license": "MIT"
+    },
+    "node_modules/@serialport/bindings-interface": {
+      "version": "1.2.2",
+      "resolved": "https://registry.npmjs.org/@serialport/bindings-interface/-/bindings-interface-1.2.2.tgz",
+      "integrity": "sha512-CJaUd5bLvtM9c5dmO9rPBHPXTa9R2UwpkJ0wdh9JCYcbrPWsKz+ErvR0hBLeo7NPeiFdjFO4sonRljiw4d2XiA==",
+      "license": "MIT",
+      "engines": {
+        "node": "^12.22 || ^14.13 || >=16"
+      }
+    },
+    "node_modules/@serialport/parser-byte-length": {
+      "version": "13.0.0",
+      "resolved": "https://registry.npmjs.org/@serialport/parser-byte-length/-/parser-byte-length-13.0.0.tgz",
+      "integrity": "sha512-32yvqeTAqJzAEtX5zCrN1Mej56GJ5h/cVFsCDPbF9S1ZSC9FWjOqNAgtByseHfFTSTs/4ZBQZZcZBpolt8sUng==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=20.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/serialport/donate"
+      }
+    },
+    "node_modules/@serialport/parser-cctalk": {
+      "version": "13.0.0",
+      "resolved": "https://registry.npmjs.org/@serialport/parser-cctalk/-/parser-cctalk-13.0.0.tgz",
+      "integrity": "sha512-RErAe57g9gvnlieVYGIn1xymb1bzNXb2QtUQd14FpmbQQYlcrmuRnJwKa1BgTCujoCkhtaTtgHlbBWOxm8U2uA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=20.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/serialport/donate"
+      }
+    },
+    "node_modules/@serialport/parser-delimiter": {
+      "version": "13.0.0",
+      "resolved": "https://registry.npmjs.org/@serialport/parser-delimiter/-/parser-delimiter-13.0.0.tgz",
+      "integrity": "sha512-Qqyb0FX1avs3XabQqNaZSivyVbl/yl0jywImp7ePvfZKLwx7jBZjvL+Hawt9wIG6tfq6zbFM24vzCCK7REMUig==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=20.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/serialport/donate"
+      }
+    },
+    "node_modules/@serialport/parser-inter-byte-timeout": {
+      "version": "13.0.0",
+      "resolved": "https://registry.npmjs.org/@serialport/parser-inter-byte-timeout/-/parser-inter-byte-timeout-13.0.0.tgz",
+      "integrity": "sha512-a0w0WecTW7bD2YHWrpTz1uyiWA2fDNym0kjmPeNSwZ2XCP+JbirZt31l43m2ey6qXItTYVuQBthm75sPVeHnGA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=20.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/serialport/donate"
+      }
+    },
+    "node_modules/@serialport/parser-packet-length": {
+      "version": "13.0.0",
+      "resolved": "https://registry.npmjs.org/@serialport/parser-packet-length/-/parser-packet-length-13.0.0.tgz",
+      "integrity": "sha512-60ZDDIqYRi0Xs2SPZUo4Jr5LLIjtb+rvzPKMJCohrO6tAqSDponcNpcB1O4W21mKTxYjqInSz+eMrtk0LLfZIg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=8.6.0"
+      }
+    },
+    "node_modules/@serialport/parser-readline": {
+      "version": "13.0.0",
+      "resolved": "https://registry.npmjs.org/@serialport/parser-readline/-/parser-readline-13.0.0.tgz",
+      "integrity": "sha512-dov3zYoyf0dt1Sudd1q42VVYQ4WlliF0MYvAMA3MOyiU1IeG4hl0J6buBA2w4gl3DOCC05tGgLDN/3yIL81gsA==",
+      "license": "MIT",
+      "dependencies": {
+        "@serialport/parser-delimiter": "13.0.0"
+      },
+      "engines": {
+        "node": ">=20.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/serialport/donate"
+      }
+    },
+    "node_modules/@serialport/parser-ready": {
+      "version": "13.0.0",
+      "resolved": "https://registry.npmjs.org/@serialport/parser-ready/-/parser-ready-13.0.0.tgz",
+      "integrity": "sha512-JNUQA+y2Rfs4bU+cGYNqOPnNMAcayhhW+XJZihSLQXOHcZsFnOa2F9YtMg9VXRWIcnHldHYtisp62Etjlw24bw==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=20.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/serialport/donate"
+      }
+    },
+    "node_modules/@serialport/parser-regex": {
+      "version": "13.0.0",
+      "resolved": "https://registry.npmjs.org/@serialport/parser-regex/-/parser-regex-13.0.0.tgz",
+      "integrity": "sha512-m7HpIf56G5XcuDdA3DB34Z0pJiwxNRakThEHjSa4mG05OnWYv0IG8l2oUyYfuGMowQWaVnQ+8r+brlPxGVH+eA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=20.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/serialport/donate"
+      }
+    },
+    "node_modules/@serialport/parser-slip-encoder": {
+      "version": "13.0.0",
+      "resolved": "https://registry.npmjs.org/@serialport/parser-slip-encoder/-/parser-slip-encoder-13.0.0.tgz",
+      "integrity": "sha512-fUHZEExm6izJ7rg0A1yjXwu4sOzeBkPAjDZPfb+XQoqgtKAk+s+HfICiYn7N2QU9gyaeCO8VKgWwi+b/DowYOg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=20.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/serialport/donate"
+      }
+    },
+    "node_modules/@serialport/parser-spacepacket": {
+      "version": "13.0.0",
+      "resolved": "https://registry.npmjs.org/@serialport/parser-spacepacket/-/parser-spacepacket-13.0.0.tgz",
+      "integrity": "sha512-DoXJ3mFYmyD8X/8931agJvrBPxqTaYDsPoly9/cwQSeh/q4EjQND9ySXBxpWz5WcpyCU4jOuusqCSAPsbB30Eg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=20.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/serialport/donate"
+      }
+    },
+    "node_modules/@serialport/stream": {
+      "version": "13.0.0",
+      "resolved": "https://registry.npmjs.org/@serialport/stream/-/stream-13.0.0.tgz",
+      "integrity": "sha512-F7xLJKsjGo2WuEWMSEO1SimRcOA+WtWICsY13r0ahx8s2SecPQH06338g28OT7cW7uRXI7oEQAk62qh5gHJW3g==",
+      "license": "MIT",
+      "dependencies": {
+        "@serialport/bindings-interface": "1.2.2",
+        "debug": "4.4.0"
+      },
+      "engines": {
+        "node": ">=20.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/serialport/donate"
+      }
+    },
+    "node_modules/@serialport/stream/node_modules/debug": {
+      "version": "4.4.0",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-4.4.0.tgz",
+      "integrity": "sha512-6WTZ/IxCY/T6BALoZHaE4ctp9xm+Z5kY/pzYaCHRFeyVhojxlrm+46y68HA6hr0TcwEssoxNiDEUJQjfPZ/RYA==",
+      "license": "MIT",
+      "dependencies": {
+        "ms": "^2.1.3"
+      },
+      "engines": {
+        "node": ">=6.0"
+      },
+      "peerDependenciesMeta": {
+        "supports-color": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@serialport/stream/node_modules/ms": {
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+      "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==",
+      "license": "MIT"
+    },
     "node_modules/@socket.io/component-emitter": {
       "version": "3.1.2",
       "resolved": "https://registry.npmjs.org/@socket.io/component-emitter/-/component-emitter-3.1.2.tgz",
@@ -818,6 +1093,26 @@
         "node": ">= 0.6"
       }
     },
+    "node_modules/node-addon-api": {
+      "version": "8.3.0",
+      "resolved": "https://registry.npmjs.org/node-addon-api/-/node-addon-api-8.3.0.tgz",
+      "integrity": "sha512-8VOpLHFrOQlAH+qA0ZzuGRlALRA6/LVh8QJldbrC4DY0hXoMP0l4Acq8TzFC018HztWiRqyCEj2aTWY2UvnJUg==",
+      "license": "MIT",
+      "engines": {
+        "node": "^18 || ^20 || >= 21"
+      }
+    },
+    "node_modules/node-gyp-build": {
+      "version": "4.8.4",
+      "resolved": "https://registry.npmjs.org/node-gyp-build/-/node-gyp-build-4.8.4.tgz",
+      "integrity": "sha512-LA4ZjwlnUblHVgq0oBF3Jl/6h/Nvs5fzBLwdEF4nuxnFdsfajde4WfxtJr3CaiH+F6ewcIB/q4jQ4UzPyid+CQ==",
+      "license": "MIT",
+      "bin": {
+        "node-gyp-build": "bin.js",
+        "node-gyp-build-optional": "optional.js",
+        "node-gyp-build-test": "build-test.js"
+      }
+    },
     "node_modules/object-assign": {
       "version": "4.1.1",
       "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
@@ -1142,6 +1437,57 @@
       "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==",
       "license": "MIT"
     },
+    "node_modules/serialport": {
+      "version": "13.0.0",
+      "resolved": "https://registry.npmjs.org/serialport/-/serialport-13.0.0.tgz",
+      "integrity": "sha512-PHpnTd8isMGPfFTZNCzOZp9m4mAJSNWle9Jxu6BPTcWq7YXl5qN7tp8Sgn0h+WIGcD6JFz5QDgixC2s4VW7vzg==",
+      "license": "MIT",
+      "dependencies": {
+        "@serialport/binding-mock": "10.2.2",
+        "@serialport/bindings-cpp": "13.0.0",
+        "@serialport/parser-byte-length": "13.0.0",
+        "@serialport/parser-cctalk": "13.0.0",
+        "@serialport/parser-delimiter": "13.0.0",
+        "@serialport/parser-inter-byte-timeout": "13.0.0",
+        "@serialport/parser-packet-length": "13.0.0",
+        "@serialport/parser-readline": "13.0.0",
+        "@serialport/parser-ready": "13.0.0",
+        "@serialport/parser-regex": "13.0.0",
+        "@serialport/parser-slip-encoder": "13.0.0",
+        "@serialport/parser-spacepacket": "13.0.0",
+        "@serialport/stream": "13.0.0",
+        "debug": "4.4.0"
+      },
+      "engines": {
+        "node": ">=20.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/serialport/donate"
+      }
+    },
+    "node_modules/serialport/node_modules/debug": {
+      "version": "4.4.0",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-4.4.0.tgz",
+      "integrity": "sha512-6WTZ/IxCY/T6BALoZHaE4ctp9xm+Z5kY/pzYaCHRFeyVhojxlrm+46y68HA6hr0TcwEssoxNiDEUJQjfPZ/RYA==",
+      "license": "MIT",
+      "dependencies": {
+        "ms": "^2.1.3"
+      },
+      "engines": {
+        "node": ">=6.0"
+      },
+      "peerDependenciesMeta": {
+        "supports-color": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/serialport/node_modules/ms": {
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+      "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==",
+      "license": "MIT"
+    },
     "node_modules/serve-static": {
       "version": "1.16.2",
       "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.16.2.tgz",

node-server/package.json

@@ -12,6 +12,7 @@
   "dependencies": {
     "express": "^4.21.2",
     "pug": "^3.0.3",
+    "serialport": "^13.0.0",
     "socket.io": "^4.8.1"
   }
 }

node-server/readme.md

@@ -0,0 +1,10 @@
+loop
+====
+```shell
+git clone
+npm install
+node server.js
+```
+
+
+https://serialport.io/docs/guide-usage

node-server/server.js

@@ -0,0 +1,72 @@
+const express = require('express');
+const { createServer } = require('node:http');
+// socket
+const { Server } = require('socket.io');
+// usb serial (arduino)
+var { SerialPort } = require("serialport");
+const { ReadlineParser } = require('@serialport/parser-readline')
+
+const app = express();
+const server = createServer(app);
+const io = new Server(server);
+
+const port = 3000
+
+// https://serialport.io/docs/guide-usage
+
+var arduinoCOMPort = "/dev/ttyUSB0";
+var arduinoSerialPort = new SerialPort({
+  path: arduinoCOMPort, 
+  baudRate: 9600 
+});
+
+arduinoSerialPort.on('open',function() {
+  console.log('Serial Port ' + arduinoCOMPort + ' is opened.');
+});
+
+
+// // Read data that is available but keep the stream in "paused mode"
+// arduinoSerialPort.on('readable', function () {
+//   console.log('Data:', arduinoSerialPort.read())
+// })
+
+// // Switches the port into "flowing mode"
+// arduinoSerialPort.on('data', function (data) {
+//   console.log('Data:', data)
+// })
+
+// const serialParser = arduinoSerialPort.pipe(new Readline({ delimiter: '\n' }));
+
+// serialParser.on('data', data =>{
+//   console.log('got word from arduino:', data);
+// });
+
+app.set('view engine', 'pug')
+app.use(express.static('assets'))
+
+app.get('/', (req, res) => {
+  // res.send('Hello World!')
+  res.render('index', { title: 'Hey', message: 'Hello there PUG!' })
+  // res.sendFile('assets/main.html', { root : __dirname});
+})
+
+io.on('connection', (socket) => {
+  console.log('a user connected');
+  // let speed = 0.1;
+  // setInterval(() => {
+  //   speed+=0.1;
+  //   socket.emit('speed', speed);
+  // }, 2000);
+  
+  // Listening to arduino through serial port
+  const parser = arduinoSerialPort.pipe(new ReadlineParser({ delimiter: '\n' }))
+  parser.on('data', data => {
+    console.log('got word from arduino:', data);
+    socket.emit('position', data);
+  })
+
+});
+
+server.listen(port, () => {
+  console.log(`Example app listening on port ${port}`)
+})

readme.md

@@ -1,7 +1,9 @@
-loop
+Loop
 ====
-```shell
-git clone
-npm install
-node server.js
-```
+
+# Node
+https://gitea.esadhar.fr/el-yazide.mohamed/loop
+
+# Arduino
+https://arduinogetstarted.com/tutorials/arduino-dc-motor
+

server.js

@@ -1,33 +0,0 @@
-const express = require('express');
-const { createServer } = require('node:http');
-const { Server } = require('socket.io');
-
-const app = express();
-const server = createServer(app);
-const io = new Server(server);
-
-
-const port = 3000
-
-
-app.set('view engine', 'pug')
-app.use(express.static('assets'))
-
-app.get('/', (req, res) => {
-  // res.send('Hello World!')
-  // res.render('index', { title: 'Hey', message: 'Hello there PUG!' })
-  res.sendFile('main.html');
-})
-
-io.on('connection', (socket) => {
-  console.log('a user connected');
-  let speed = 0.1;
-  setInterval(() => {
-    speed+=0.1;
-    socket.emit('speed', speed);
-  }, 2000);
-});
-
-server.listen(port, () => {
-  console.log(`Example app listening on port ${port}`)
-})

theball-elec/.gitignore

@@ -0,0 +1 @@
+.vscode

theball-elec/theball-elec.ino

@@ -0,0 +1,18 @@
+#include <Encoder.h>
+
+long last_position = 0;
+
+Encoder myEnc(2, 3); // pins for A and B
+
+void setup() {
+  Serial.begin(9600);
+}
+
+void loop() {
+  long position = myEnc.read();
+  if(position != last_position){
+    last_position = position;
+    Serial.println(position);
+  }
+  delay(100);
+}