Update johnny-five, include throttle, servo examples

code/blink.js

@@ -1,10 +1,15 @@
-const five = require('johnny-five');
+const {Board, Led} = require('johnny-five');
 
-const board = new five.Board({
+const board = new Board({
   port: '', // path to bluetooth connection, i.e. /dev/tty.ROBOT_NAME-SPPDev or COMX
 });
 
 board.on('ready', () => {
-  const led = new five.Led(13); // use built-in led on Arduino
+  const led = new Led(13); // use built-in led on Arduino
   led.blink();
 });
+
+board.on('error', error => {
+  console.error(error);
+  process.exit(1);
+});

code/package.json

@@ -4,8 +4,7 @@
   "description": "",
   "keywords": [],
   "author": "",
-  "license": "MIT",
   "dependencies": {
-    "johnny-five": "^0.15.0"
+    "johnny-five": "1.3.0"
   }
 }

code/throttle-servo.js

@@ -0,0 +1,73 @@
+const {Board, ESC, Fn, Led, Servo} = require('johnny-five');
+const keypress = require('keypress');
+
+const board = new Board({
+  port: '', // path to bluetooth connection, i.e. /dev/tty.ROBOT_NAME-SPPDev or COMX
+});
+
+board.on('ready', () => {
+  const led = new Led(13);
+  const esc = new ESC({
+    device: 'FORWARD_REVERSE',
+    pin: 11,
+  });
+  const servo = new five.Servo(10);
+  let speed = 0;
+  let last = null;
+
+  servo.center();
+
+  // just to make sure the program is running
+  led.blink(500);
+
+  function controller(_, key) {
+    let change = 0;
+
+    if (key) {
+      if (!key.shift) {
+        change = esc.neutral;
+        speed = 0;
+      } else {
+        if (key.name === 'up' || key.name === 'down') {
+          if (last !== key.name) {
+            change = esc.neutral;
+            speed = 0;
+          } else {
+            speed += 1;
+
+            change =
+              key.name === 'up' ? esc.neutral + speed : esc.neutral - speed;
+          }
+          last = key.name;
+        }
+
+        if (key.name === 'left') {
+          servo.to(45, 1000);
+        }
+
+        if (key.name === 'right') {
+          servo.to(135, 1000);
+        }
+
+        if (key.name === 'c') {
+          servo.center();
+        }
+      }
+
+      if (change) {
+        esc.throttle(change);
+      }
+    }
+  }
+
+  keypress(process.stdin);
+
+  process.stdin.on('keypress', controller);
+  process.stdin.setRawMode(true);
+  process.stdin.resume();
+});
+
+board.on('error', error => {
+  console.error(error);
+  process.exit(1);
+});

code/throttle.js

@@ -0,0 +1,58 @@
+const {Board, ESC, Fn, Led} = require('johnny-five');
+const keypress = require('keypress');
+
+const board = new Board({
+  port: '', // path to bluetooth connection, i.e. /dev/tty.ROBOT_NAME-SPPDev or COMX
+});
+
+board.on('ready', () => {
+  const led = new Led(13);
+  const esc = new ESC({
+    device: 'FORWARD_REVERSE',
+    pin: 11,
+  });
+  let speed = 0;
+  let last = null;
+
+  // just to make sure the program is running
+  led.blink(500);
+
+  function controller(_, key) {
+    let change = 0;
+
+    if (key) {
+      if (!key.shift) {
+        change = esc.neutral;
+        speed = 0;
+      } else {
+        if (key.name === 'up' || key.name === 'down') {
+          if (last !== key.name) {
+            change = esc.neutral;
+            speed = 0;
+          } else {
+            speed += 1;
+
+            change =
+              key.name === 'up' ? esc.neutral + speed : esc.neutral - speed;
+          }
+          last = key.name;
+        }
+      }
+
+      if (change) {
+        esc.throttle(change);
+      }
+    }
+  }
+
+  keypress(process.stdin);
+
+  process.stdin.on('keypress', controller);
+  process.stdin.setRawMode(true);
+  process.stdin.resume();
+});
+
+board.on('error', error => {
+  console.error(error);
+  process.exit(1);
+});