diff --git a/webinstall/build.yaml b/webinstall/build.yaml
index 1c49b6c..dc7d86e 100644
--- a/webinstall/build.yaml
+++ b/webinstall/build.yaml
@@ -127,16 +127,19 @@ types:
       - 2
   
   - &serial1
-    type: frame
+    type: checkbox
     label: 'Serial 1'
     key: serial1
-    children:
-      - <<: *gpiopin
-        key: RX
-        target: "define:GWSERIAL_RX"
-      - <<: *gpiopin
-        key: TX
-        target: "define:GWSERIAL_TX"
+    values:
+      - type: frame
+        key: true
+        children:
+        - <<: *gpiopin
+          key: RX
+          target: "define:GWSERIAL_RX"
+        - <<: *gpiopin
+          key: TX
+          target: "define:GWSERIAL_TX"
 
 resources:
   default: &esp32default
diff --git a/webinstall/cibuild.css b/webinstall/cibuild.css
index 15b0946..5411a19 100644
--- a/webinstall/cibuild.css
+++ b/webinstall/cibuild.css
@@ -49,6 +49,8 @@
     height: 1.5em;
     opacity: 1;
     z-index: unset;
+    appearance: auto;
+    float:none;
 }
 
 .configui .buttons {
@@ -139,15 +141,18 @@
     margin-top: 0.3em;
 }
 
-.configui .selector.tdropdown {
+.configui .tcheckbox .inputFrame, 
+.configui .tdropdown .inputFrame {
     display: flex;
     flex-direction: row;
     align-items: center;
 }
-.configui .title.tdropdown {
+.configui .title.tdropdown,
+.configui .title.tcheckbox {
     width: 10em;
     font-weight: normal !important;
 }
+
 .configui form#upload {
     width: 0;
     height: 0;
diff --git a/webinstall/cibuild.js b/webinstall/cibuild.js
index 63e4b47..10a36d3 100644
--- a/webinstall/cibuild.js
+++ b/webinstall/cibuild.js
@@ -296,7 +296,8 @@ class PipelineInfo{
         let level=name.replace(rep,'');
         let frame=addEl('div','selector level'+level.length+' t'+config.type,parent);
         frame.setAttribute(PATH_ATTR,name);
-        let title=addEl('div','title t'+config.type,frame,config.label);
+        let inputFrame=addEl('div','inputFrame',frame);
+        let title=addEl('div','title t'+config.type,inputFrame,config.label);
         let initialConfig=undefined
         if (config.type === 'frame' || config.type === undefined){
             initialConfig=config;
@@ -306,7 +307,7 @@ class PipelineInfo{
             for (let idx=0;idx<expandedValues.length;idx++){
                 let v=expandedValues[idx];
                 if (v.key === undefined) continue;
-                let ef = addEl('div', 'radioFrame', frame);
+                let ef = addEl('div', 'radioFrame', inputFrame);
                 addEl('div', 'label', ef, v.label);
                 let re = addEl('input', 'radioCi', ef);
                 re.setAttribute('type', 'radio');
@@ -328,8 +329,8 @@ class PipelineInfo{
                 }
             };
         }
-        if (config.type === 'dropdown'){
-            let sel=addEl('select','t'+config.type,frame);
+        if (expandedValues.length > 0 &&  config.type === 'dropdown'){
+            let sel=addEl('select','t'+config.type,inputFrame);
             for (let idx=0;idx<expandedValues.length;idx++){
                 let v=expandedValues[idx];
                 if (v.key === undefined) continue;
@@ -346,6 +347,39 @@ class PipelineInfo{
                 callback(v,false);
             });
         }
+        if (expandedValues.length > 0 && config.type === 'checkbox'){
+            let act=undefined;
+            let inact=undefined;
+            expandedValues.forEach((ev)=>{
+                if (ev.key === true || ev.key === undefined){
+                    act=ev;
+                    if (act.key === undefined) act.key=true;
+                    return;
+                }
+                inact=ev;
+            });
+            if (act !== undefined){
+                if (inact === undefined) inact={key:false};
+                let cb=addEl('input','t'+config.type,inputFrame);
+                cb.setAttribute('type','checkbox');
+                if (current) {
+                    cb.setAttribute('checked',true);
+                    initialConfig=act;
+                }
+                else{
+                    initialConfig=inact;
+                }
+                cb.addEventListener('change',(ev)=>{
+                    if (ev.target.checked){
+                        callback(act,false);
+                    }
+                    else
+                    {
+                        callback(inact,false);
+                    }
+                });
+            }
+        }
         let childFrame=addEl('div','childFrame',frame);
         if (initialConfig !== undefined){
             callback(initialConfig,true,childFrame);