Updated vernie sample, added braking style

Author: Nathan Kellenicki

README.md

@@ -69,17 +69,22 @@ const poweredUP = new PoweredUP.PoweredUP();
 poweredUP.on("discover", async (hub) => { // Wait to discover a Hub
     console.log(`Discovered ${hub.name}!`);
     await hub.connect(); // Connect to the Hub
+    const motorA = hub.waitForDeviceAtPort("A"); // Make sure a motor is plugged into port A
+    const motorB = hub.waitForDeviceAtPort("B"); // Make sure a motor is plugged into port B
     console.log("Connected");
-    await hub.sleep(3000); // Sleep for 3 seconds before starting
 
     while (true) { // Repeat indefinitely
         console.log("Running motor B at speed 75");
-        hub.setMotorSpeed("B", 75); // Start a motor attached to port B to run a 3/4 speed (75) indefinitely
+        motorB.setPower("B", 75); // Start a motor attached to port B to run a 3/4 speed (75) indefinitely
         console.log("Running motor A at speed 100 for 2 seconds");
-        await hub.setMotorSpeed("A", 100,  2000); // Run a motor attached to port A for 2 seconds at maximum speed (100) then stop
+        motorA.setPower("A", 100); // Run a motor attached to port A for 2 seconds at maximum speed (100) then stop
+        await hub.sleep(2000);
+        motorA.setPower("A", 0);
         await hub.sleep(1000); // Do nothing for 1 second
-        console.log("Running motor A at speed -50 for 1 seconds");
-        await hub.setMotorSpeed("A", -50,  1000); // Run a motor attached to port A for 1 second at 1/2 speed in reverse (-50) then stop
+        console.log("Running motor A at speed -50 for 1 second");
+        motorA.setPower("A", -50); // Run a motor attached to port A for 1 second at 1/2 speed in reverse (-50) then stop
+        hub.sleep(1000);
+        motorA.setPower("A", 0);
         await hub.sleep(1000); // Do nothing for 1 second
     }
 });