diff --git a/cards/SerialCard.vue b/cards/SerialCard.vue
index 79663e2..7cfc69f 100644
--- a/cards/SerialCard.vue
+++ b/cards/SerialCard.vue
@@ -10,6 +10,14 @@
           <q-toggle v-model="data.serial_enab" label="Serial port enable" />
           <q-toggle v-model="data.serial_bridge" label="Enable bridge to MQTT" />
           <q-input v-model="data.serial_baud" label="Baud rate" />
+          <div class="row">
+            <div class="col-4"><q-select v-model="data.serial_bits" :options="databits" option-value="val"
+                option-label="lab" :map-options="true" :emit-value="true" label="Data bits"></q-select></div>
+            <div class="col-4 q-pl-md"><q-select v-model="data.serial_parity" :options="parity" option-value="val"
+                option-label="lab" :map-options="true" :emit-value="true" label="Parity"></q-select></div>
+            <div class="col-4 q-pl-md"><q-select v-model="data.serial_stop" :options="stopbits" option-value="val"
+                option-label="lab" :map-options="true" :emit-value="true" label="Stop bits"></q-select></div>
+          </div>
           <q-input type="number" v-model="data.serial_break" label="Input data separate brake, ms" />
         </div>
       </div>
@@ -17,7 +25,7 @@
     <CardActions :senddata="data"></CardActions>
   </q-card>
 </template>
-  
+
 <script setup>
 import { reactive, computed } from "vue";
 import { PostData } from "components/webguicomp/network";
@@ -26,10 +34,31 @@ const init = {
   serial_visible: false,
   serial_enab: false,
   serial_baud: 115200,
+  serial_bits: 3,
+  serial_parity: 0,
+  serial_stop: 1,
   serial_mode: "-",
   serial_bridge: false,
   serial_break: 50
 }
+
+const databits = [
+  { lab: '5 BIT', val: 0 },
+  { lab: '6 BIT', val: 1 },
+  { lab: '7 BIT', val: 2 },
+  { lab: '8 BIT', val: 3 },
+]
+const stopbits = [
+  { lab: '1 BIT', val: 1 },
+  { lab: '1_5 BIT', val: 2 },
+  { lab: '2 BIT', val: 3 },
+]
+const parity = [
+  { lab: 'DISABLED', val: 0 },
+  { lab: 'EVEN', val: 2 },
+  { lab: 'ODD', val: 3 },
+]
+
 const data = reactive(init);
 PostData(data, 2, 0, null);
 </script>