diff --git a/hardware/blink1/77-blink1.js b/hardware/blink1/77-blink1.js
index 25755a1e..09e645ad 100644
--- a/hardware/blink1/77-blink1.js
+++ b/hardware/blink1/77-blink1.js
@@ -55,8 +55,8 @@ module.exports = function(RED) {
                             }
                             else if (p3.test(msg.payload)) {
                                 // if it is a r,g,b,index quad for a two led device
-                                var rgb = msg.payload.split(',');
-                                blink1[node.serial||"one"].fadeToRGB(node.fade, parseInt(rgb[0])&255, parseInt(rgb[1])&255, parseInt(rgb[2])&255, parseInt(rgb[3])&3);
+                                var rgb2 = msg.payload.split(',');
+                                blink1[node.serial||"one"].fadeToRGB(node.fade, parseInt(rgb2[0])&255, parseInt(rgb2[1])&255, parseInt(rgb2[2])&255, parseInt(rgb2[3])&3);
                             }
                             else {
                                 // you can add fancy colours by name here if you want...
diff --git a/hardware/blink1/package.json b/hardware/blink1/package.json
index 11f29a61..81700035 100644
--- a/hardware/blink1/package.json
+++ b/hardware/blink1/package.json
@@ -1,6 +1,6 @@
 {
     "name"          : "node-red-node-blink1",
-    "version"       : "0.0.14",
+    "version"       : "0.0.15",
     "description"   : "A Node-RED node to control a Thingm Blink(1)",
     "dependencies"  : {
         "node-blink1"   : "0.2.2"
diff --git a/hardware/neopixel/neopixel.js b/hardware/neopixel/neopixel.js
index d87c82ad..1a2d0388 100644
--- a/hardware/neopixel/neopixel.js
+++ b/hardware/neopixel/neopixel.js
@@ -40,7 +40,7 @@ module.exports = function(RED) {
     // the magic to make python print stuff immediately
     process.env.PYTHONUNBUFFERED = 1;
 
-    function piNeopixelNode(n) {
+    function PiNeopixelNode(n) {
         RED.nodes.createNode(this,n);
         this.pixels = n.pixels || 1;
         this.bgnd = n.bgnd || "0,0,0";
@@ -86,13 +86,13 @@ module.exports = function(RED) {
                             else { node.warn("Invalid payload : "+pay); return; }
                         }
                         else { // it's a single number so just draw bar
-                            var l = pay;
-                            if (node.mode.indexOf("pcent") >= 0) { l = parseInt(l / 100 * node.pixels + 0.5); }
-                            l = l - 1;
+                            var ll = pay;
+                            if (node.mode.indexOf("pcent") >= 0) { ll = parseInt(ll / 100 * node.pixels + 0.5); }
+                            ll = ll - 1;
                             if (node.mode.indexOf("need") >= 0) {
-                                pay = "0,"+(l-1)+","+node.fgnd+"\n"+l+","+needle+"\n"+(l+1)+","+(node.pixels-1)+","+node.bgnd;
+                                pay = "0,"+(ll-1)+","+node.fgnd+"\n"+ll+","+needle+"\n"+(ll+1)+","+(node.pixels-1)+","+node.bgnd;
                             } else {
-                                pay = "0,"+l+","+node.fgnd+"\n"+(l+1)+","+(node.pixels-1)+","+node.bgnd;
+                                pay = "0,"+ll+","+node.fgnd+"\n"+(ll+1)+","+(node.pixels-1)+","+node.bgnd;
                             }
                         }
                     }
@@ -165,5 +165,5 @@ module.exports = function(RED) {
             }
         }
     }
-    RED.nodes.registerType("rpi-neopixels",piNeopixelNode);
+    RED.nodes.registerType("rpi-neopixels",PiNeopixelNode);
 }
diff --git a/hardware/neopixel/package.json b/hardware/neopixel/package.json
index 5e826afa..d6d6b4da 100644
--- a/hardware/neopixel/package.json
+++ b/hardware/neopixel/package.json
@@ -1,6 +1,6 @@
 {
     "name"          : "node-red-node-pi-neopixel",
-    "version"       : "0.0.8",
+    "version"       : "0.0.9",
     "description"   : "A Node-RED node to output to a neopixel (ws2812) string of LEDS from a Raspberry Pi.",
     "dependencies"  : {
     },
diff --git a/hardware/unicorn/package.json b/hardware/unicorn/package.json
index bd2f6401..7d2e75e4 100644
--- a/hardware/unicorn/package.json
+++ b/hardware/unicorn/package.json
@@ -1,6 +1,6 @@
 {
     "name"          : "node-red-node-pi-unicorn-hat",
-    "version"       : "0.0.3",
+    "version"       : "0.0.5",
     "description"   : "A Node-RED node to output to a Raspberry Pi Unicorn HAT from Pimorini.",
     "dependencies"  : {
         "pngjs": "2.2.*"
diff --git a/hardware/unicorn/unicorn.html b/hardware/unicorn/unicorn.html
index 71dcad36..54dd3ddb 100644
--- a/hardware/unicorn/unicorn.html
+++ b/hardware/unicorn/unicorn.html
@@ -50,7 +50,6 @@
 <script type="text/javascript">
     RED.nodes.registerType('rpi-unicorn',{
         category: 'Raspberry Pi',
-        label: 'Raspberry Pi',
         color:"#c6dbef",
         defaults: {
             name: { value:"" },
diff --git a/hardware/unicorn/unicorn.js b/hardware/unicorn/unicorn.js
index 3da6b2cd..c31620a1 100644
--- a/hardware/unicorn/unicorn.js
+++ b/hardware/unicorn/unicorn.js
@@ -92,6 +92,7 @@ module.exports = function(RED) {
         else { ready = true; }
 
         function inputlistener(msg) {
+            var a,b,c,d,e;
             var s = msg.payload.toUpperCase().split(",");
             var doDraw = true;
             if (s.length === 1) {
@@ -118,7 +119,7 @@ module.exports = function(RED) {
             else if (s.length === 3) {
                 //console.log("BACKGROUND",s)
                 for (var i=0; i<192; i++) {
-                    pic[i]   = s[0];
+                    pic[i] = s[0];
                     pic[i+1] = s[1];
                     pic[i+2] = s[2];
                     i += 2;
@@ -131,32 +132,32 @@ module.exports = function(RED) {
                 else {
                     node.child.stdin.write('P'+msg.payload+'\n');
                     doDraw = false;
-                    for (var a=0; a<s.length; a++) {
+                    for (a=0; a<s.length; a++) {
                         //console.log("PIXELS",a);
                         if ((s[a] === "*") && (s[a+1] === "*")) {
-                            for (var c=0; c<192; c++) {
-                                pic[c]   = s[a+2];
+                            for (c=0; c<192; c++) {
+                                pic[c] = s[a+2];
                                 pic[c+1] = s[a+3];
                                 pic[c+2] = s[a+4];
                                 c += 2;
                             }
                         }
                         else if (s[a] === "*") {
-                            for (var d=0; d<8; d++) {
-                                pic[d*3+s[1]*24]   = s[a+2];
+                            for (d=0; d<8; d++) {
+                                pic[d*3+s[1]*24] = s[a+2];
                                 pic[d*3+s[1]*24+1] = s[a+3];
                                 pic[d*3+s[1]*24+2] = s[a+4];
                             }
                         }
                         else if (s[a+1] === "*") {
-                            for (var e=0; e<8; e++) {
-                                pic[s[a]*3+e*24]   = s[a+2];
+                            for (e=0; e<8; e++) {
+                                pic[s[a]*3+e*24] = s[a+2];
                                 pic[s[a]*3+e*24+1] = s[a+3];
                                 pic[s[a]*3+e*24+2] = s[a+4];
                             }
                         }
                         else {
-                            pic[s[a]*3+s[a+1]*24]   = s[a+2];
+                            pic[s[a]*3+s[a+1]*24] = s[a+2];
                             pic[s[a]*3+s[a+1]*24+1] = s[a+3];
                             pic[s[a]*3+s[a+1]*24+2] = s[a+4];
                         }
@@ -165,11 +166,11 @@ module.exports = function(RED) {
                 }
             }
             else if (s.length === 192) {  // handle complete buffer refresh.
-                for (var i=0; i<192; i++) {
-                    pic[i] = s[i];
-                    pic[i+1] = s[i+1];
-                    pic[i+2] = s[i+2];
-                    i += 2;
+                for (var h=0; h<192; h++) {
+                    pic[h] = s[h];
+                    pic[h+1] = s[h+1];
+                    pic[h+2] = s[h+2];
+                    h += 2;
                 }
             }
             else {
@@ -180,28 +181,30 @@ module.exports = function(RED) {
                 var pixels = new Buffer(192);
                 pic.copy(pixels);
                 for (var p in node.items) {
-                    var b = node.items[p].split(",");
-                    for (var a=0; a<b.length; a++) {
-                        if (b[a] === "*") {
-                            for (var d=0; d<8; d++) {
-                                pixels[d*3+b[a+1]*24] = b[a+2];
-                                pixels[d*3+b[a+1]*24+1] = b[a+3];
-                                pixels[d*3+b[a+1]*24+2] = b[a+4];
+                    if (node.items.hasOwnProperty(p)) {
+                        b = node.items[p].split(",");
+                        for (a=0; a<b.length; a++) {
+                            if (b[a] === "*") {
+                                for (d=0; d<8; d++) {
+                                    pixels[d*3+b[a+1]*24] = b[a+2];
+                                    pixels[d*3+b[a+1]*24+1] = b[a+3];
+                                    pixels[d*3+b[a+1]*24+2] = b[a+4];
+                                }
                             }
-                        }
-                        else if (b[a+1] === "*") {
-                            for (var e=0; e<8; e++) {
-                                pixels[b[a]*3+e*24] = b[a+2];
-                                pixels[b[a]*3+e*24+1] = b[a+3];
-                                pixels[b[a]*3+e*24+2] = b[a+4];
+                            else if (b[a+1] === "*") {
+                                for (e=0; e<8; e++) {
+                                    pixels[b[a]*3+e*24] = b[a+2];
+                                    pixels[b[a]*3+e*24+1] = b[a+3];
+                                    pixels[b[a]*3+e*24+2] = b[a+4];
+                                }
                             }
+                            else {
+                                pixels[b[a]*3+b[a+1]*24] = b[a+2];
+                                pixels[b[a]*3+b[a+1]*24+1] = b[a+3];
+                                pixels[b[a]*3+b[a+1]*24+2] = b[a+4];
+                            }
+                            a += 4;
                         }
-                        else {
-                            pixels[b[a]*3+b[a+1]*24] = b[a+2];
-                            pixels[b[a]*3+b[a+1]*24+1] = b[a+3];
-                            pixels[b[a]*3+b[a+1]*24+2] = b[a+4];
-                        }
-                        a += 4;
                     }
                 }
                 node.child.stdin.write(pixels);
diff --git a/social/prowl/57-prowl.js b/social/prowl/57-prowl.js
index e0fbd8de..63198cd5 100644
--- a/social/prowl/57-prowl.js
+++ b/social/prowl/57-prowl.js
@@ -44,7 +44,7 @@ module.exports = function(RED) {
             var pri = msg.priority||this.priority;
             var url = this.url||msg.url;
             var options = { priority:pri };
-            if (url) { options.url = url };
+            if (url) { options.url = url; }
             if (typeof(msg.payload) === 'object') {
                 msg.payload = JSON.stringify(msg.payload);
             }
diff --git a/social/prowl/package.json b/social/prowl/package.json
index 68253838..1726a9c0 100644
--- a/social/prowl/package.json
+++ b/social/prowl/package.json
@@ -1,6 +1,6 @@
 {
     "name"          : "node-red-node-prowl",
-    "version"       : "0.0.5",
+    "version"       : "0.0.6",
     "description"   : "A Node-RED node to send alerts via Prowl",
     "dependencies"  : {
         "node-prowl"   : "0.1.7"