diff --git a/src/c3nav/control/templates/control/mesh_message_send.html b/src/c3nav/control/templates/control/mesh_message_send.html
index 29a84a65..a6d1cbb4 100644
--- a/src/c3nav/control/templates/control/mesh_message_send.html
+++ b/src/c3nav/control/templates/control/mesh_message_send.html
@@ -16,8 +16,42 @@
 {% block subcontent %}
     <form method="POST" style="max-width:400px;">
         {% csrf_token %}
-        {{ form }}
-        <noscript><input type="hidden" name="noscript" value"1"></noscript>
+        {{ form.as_div }}
+        {{ form.conditionals | json_script:"form-conditionals" }}
+        <noscript><input type="hidden" name="noscript" value="1"></noscript>
+        <script>
+            var form_conditionals = JSON.parse(document.getElementById('form-conditionals').innerHTML)
+            function update_form() {
+                var field, other_field, value, show;
+                for (field of document.querySelectorAll("select, input[name]")) {
+                    show = true;
+                    for (elem of form_conditionals) {
+                        if (field.name.startsWith(elem.prefix)) {
+                            other_field = document.getElementsByName(elem.field)[0];
+                            value = (other_field.type == "checkbox") ? other_field.checked : other_field.value;
+
+                            console.log({"field": field.name, "filter": elem, "value": value});
+                            if (!elem.values.includes(value)) {
+                                console.log('no show');
+                                show = false;
+                                break;
+                            }
+                        }
+                    }
+                    field.parentNode.style.display = show ? "" : "none";
+                }
+            }
+            var done_fields = [];
+            for (elem of form_conditionals) {
+                if (done_fields.includes(elem.field)) continue;
+                done_fields.push(elem.field);
+                field = document.getElementsByName(elem.field)[0];
+                field.addEventListener("input", update_form);
+                field.addEventListener("change", update_form);
+
+            }
+            update_form();
+        </script>
         <button type="submit">{% trans 'Send' %}</button>
     </form>
 
diff --git a/src/c3nav/control/templates/control/mesh_messages.html b/src/c3nav/control/templates/control/mesh_messages.html
index f8b102ce..640dc8cd 100644
--- a/src/c3nav/control/templates/control/mesh_messages.html
+++ b/src/c3nav/control/templates/control/mesh_messages.html
@@ -34,9 +34,10 @@
                 <td><a href="{% url "control.mesh.node.detail" pk=msg.src_node.address %}">{{ msg.src_node }}</a></td>
                 <td>{{ msg.get_message_type_display }}</td>
                 <td>
-                    {% if msg.get_message_type_display == "CONFIG_FIRMWARE" %}
+                    {% if msg.get_message_type_display == "CONFIG_HARDWARE" %}
                         <strong>Chip:</strong> {{ msg.parsed.get_chip_display }} rev{{ msg.parsed.revision_major }}.{{ msg.parsed.revision_minor }}
-                        <br>
+
+                    {% elif msg.get_message_type_display == "CONFIG_FIRMWARE" %}
                         <strong>Firmware:</strong> {{ msg.parsed.app_desc.project_name }} {{ msg.parsed.app_desc.version }} (IDF {{ msg.parsed.app_desc.idf_version }})
                         <br>
                         <strong>Compile Date:</strong> {{ msg.parsed.app_desc.compile_date }} {{ msg.parsed.app_desc.compile_time }}
diff --git a/src/c3nav/control/templates/control/mesh_node_detail.html b/src/c3nav/control/templates/control/mesh_node_detail.html
index f4ff538d..e3baf7c2 100644
--- a/src/c3nav/control/templates/control/mesh_node_detail.html
+++ b/src/c3nav/control/templates/control/mesh_node_detail.html
@@ -40,11 +40,13 @@
                 </a>
             </p>
 
+            <h4>Hardware</h4>
+            <p>
+                <strong>Chip:</strong> {{ node.last_messages.CONFIG_HARDWARE.parsed.get_chip_display }}
+                rev{{ node.last_messages.CONFIG_HARDWARE.parsed.revision_major }}.{{ node.last_messages.CONFIG_HARDWARE.parsed.revision_minor }}
+            </p>
             <h4>Firmware</h4>
             <p>
-                <strong>Chip:</strong> {{ node.last_messages.CONFIG_FIRMWARE.parsed.get_chip_display }}
-                rev{{ node.last_messages.CONFIG_FIRMWARE.parsed.revision_major }}.{{ node.last_messages.CONFIG_FIRMWARE.parsed.revision_minor }}
-                <br>
                 <strong>Firmware:</strong> {{ node.last_messages.CONFIG_FIRMWARE.parsed.app_desc.project_name }} {{ node.last_messages.CONFIG_FIRMWARE.parsed.version }} (IDF {{ node.last_messages.CONFIG_FIRMWARE.parsed.app_desc.idf_version }})
                 <br>
                 <strong>Compile Date:</strong> {{ node.last_messages.CONFIG_FIRMWARE.parsed.app_desc.compile_date }} {{ node.last_messages.CONFIG_FIRMWARE.parsed.app_desc.compile_time }}
diff --git a/src/c3nav/control/templates/control/mesh_nodes.html b/src/c3nav/control/templates/control/mesh_nodes.html
index 60f799a7..d15d6a90 100644
--- a/src/c3nav/control/templates/control/mesh_nodes.html
+++ b/src/c3nav/control/templates/control/mesh_nodes.html
@@ -45,8 +45,8 @@
             <tr>
                 <td><a href="{% url "control.mesh.node.detail" pk=node.address %}">{{ node }}</a></td>
                 <td>
-                    {{ node.last_messages.CONFIG_FIRMWARE.parsed.get_chip_display }}
-                    <small>rev{{ node.last_messages.CONFIG_FIRMWARE.parsed.revision_major }}.{{ node.last_messages.CONFIG_FIRMWARE.parsed.revision_minor }}</small>
+                    {{ node.last_messages.CONFIG_HARDWARE.parsed.get_chip_display }}
+                    <small>rev{{ node.last_messages.CONFIG_HARDWARE.parsed.revision_major }}.{{ node.last_messages.CONFIG_HARDWARE.parsed.revision_minor }}</small>
                 </td>
                 <td>
                     {{ node.last_messages.CONFIG_FIRMWARE.parsed.app_desc.version }}
diff --git a/src/c3nav/control/views/mesh.py b/src/c3nav/control/views/mesh.py
index aa15533e..904fea29 100644
--- a/src/c3nav/control/views/mesh.py
+++ b/src/c3nav/control/views/mesh.py
@@ -145,6 +145,10 @@ class MeshMessageSendView(ControlPanelMixin, FormView):
             messages.success(self.request, _('Message sent successfully(?)'))
             super().form_valid(form)
         uuid = uuid4()
+        from pprint import pprint
+        pprint(form.get_msg_data())
+        pprint(MeshMessage.fromjson(form.get_msg_data()))
+        1/0
         self.request.session["mesh_msg_%s" % uuid] = {
             "success_url": self.get_success_url(),
             "recipients": form.get_recipients(),
diff --git a/src/c3nav/mesh/forms.py b/src/c3nav/mesh/forms.py
index 84db29d2..70a127d1 100644
--- a/src/c3nav/mesh/forms.py
+++ b/src/c3nav/mesh/forms.py
@@ -6,7 +6,7 @@ from django.core.exceptions import ValidationError
 from django.http import Http404
 from django.utils.translation import gettext_lazy as _
 
-from c3nav.mesh.dataformats import LedConfig
+from c3nav.mesh.dataformats import LedConfig, LedType, SerialLedType, BoardType, BoardConfig
 from c3nav.mesh.messages import MESH_BROADCAST_ADDRESS, MESH_ROOT_ADDRESS, MeshMessage, MeshMessageType
 from c3nav.mesh.models import MeshNode
 
@@ -121,29 +121,83 @@ class ConfigUplinkMessageForm(MeshMessageForm):
     port = forms.IntegerField(min_value=1, max_value=65535, label=_('port'))
 
 
-class ConfigLedMessageForm(MeshMessageForm):
-    msg_type = MeshMessageType.CONFIG_LED
+class ConfigBoardMessageForm(MeshMessageForm):
+    msg_type = MeshMessageType.CONFIG_BOARD
 
-    led_type = forms.ChoiceField(choices=(
-        ('', _('no LED')),
-        (1, _('serial LED')),
-        (2, _('multipin LED'))
-    ))
-    gpio = forms.IntegerField(min_value=0, max_value=48, required=False,
-                              label=_('gpio pin'), help_text=_('serial only'))
-    rmt = forms.IntegerField(min_value=0, max_value=7, required=False,
-                             label=_('rmt'), help_text=_('serial only'))
-    gpio_r = forms.IntegerField(min_value=0, max_value=48, required=False,
-                                label=_('gpio red'), help_text=_('multipin only'))
-    gpio_g = forms.IntegerField(min_value=0, max_value=48, required=False,
-                                label=_('gpio green'), help_text=_('multipin only'))
-    gpio_b = forms.IntegerField(min_value=0, max_value=48, required=False,
-                                label=_('gpio blue'), help_text=_('multipin only'))
+    # todo: don't use numerical values
+    board = forms.ChoiceField(choices=((item.value, item.name) for item in BoardType),
+                              label=_('board'))
+    led_type = forms.ChoiceField(choices=((item.value, item.name) for item in LedType),
+                                 label=_('LED type'))
+    led_serial_type = forms.ChoiceField(choices=((item.value or '', item.name) for item in SerialLedType),
+                                        label=_('serial LED type'), help_text=_('serial LED only'))
+    # todo: make this use the modern messages
+    led_serial_gpio = forms.IntegerField(min_value=0, max_value=48, required=False,
+                                         label=_('serial LED GPIO pin'), help_text=_('serial LED only'))
+    led_multipin_gpio_r = forms.IntegerField(min_value=0, max_value=48, required=False,
+                                             label=_('multpin LED GPIO red'), help_text=_('multipin LED only'))
+    led_multipin_gpio_g = forms.IntegerField(min_value=0, max_value=48, required=False,
+                                             label=_('multpin LED GPIO green'), help_text=_('multipin LED only'))
+    led_multipin_gpio_b = forms.IntegerField(min_value=0, max_value=48, required=False,
+                                             label=_('multpin LED GPIO blue'), help_text=_('multipin LED only'))
+
+    uwb_enable = forms.BooleanField(required=False, label=_('UWB enable'))
+    uwb_gpio_miso = forms.IntegerField(min_value=-1, max_value=48, required=False,
+                                       label=_('UWB GPIO MISO'), help_text=_('UWB only'))
+    uwb_gpio_mosi = forms.IntegerField(min_value=-1, max_value=48, required=False,
+                                       label=_('UWB GPIO MOSI'), help_text=_('UWB only'))
+    uwb_gpio_clk = forms.IntegerField(min_value=-1, max_value=48, required=False,
+                                      label=_('UWB GPIO CLK'), help_text=_('UWB only'))
+    uwb_gpio_cs = forms.IntegerField(min_value=-1, max_value=48, required=False,
+                                     label=_('UWB GPIO CS'), help_text=_('UWB only'))
+    uwb_gpio_irq = forms.IntegerField(min_value=-1, max_value=48, required=False,
+                                      label=_('UWB GPIO IRQ'), help_text=_('UWB only'))
+    uwb_gpio_rst = forms.IntegerField(min_value=-1, max_value=48, required=False,
+                                      label=_('UWB GPIO RST'), help_text=_('UWB only'))
+    uwb_gpio_wakeup = forms.IntegerField(min_value=-1, max_value=48, required=False,
+                                         label=_('UWB GPIO WAKEUP'), help_text=_('UWB only'))
+    uwb_gpio_exton = forms.IntegerField(min_value=-1, max_value=48, required=False,
+                                        label=_('UWB GPIO EXTON'), help_text=_('UWB only'))
+
+    conditionals = (
+        {
+            "prefix": "led_",
+            "field": "board",
+            "values": tuple(
+                str(cfg.board.value) for cfg in BoardConfig._union_options["board"].values()
+                if "led" in cfg.__dataclass_fields__
+            ),
+        },
+        {
+            "prefix": "led_serial_",
+            "field": "led_type",
+            "values": (str(LedType.SERIAL.value),),
+        },
+        {
+            "prefix": "led_multipin_",
+            "field": "led_type",
+            "values": (str(LedType.MULTIPIN.value),),
+        },
+        {
+            "prefix": "uwb_",
+            "field": "board",
+            "values": tuple(
+                str(cfg.board.value) for cfg in BoardConfig._union_options["board"].values()
+                if "uwb" in cfg.__dataclass_fields__
+            ),
+        },
+        {
+            "prefix": "uwb_gpio_",
+            "field": "uwb_enable",
+            "values": (True,)
+        },
+    )
 
     def clean(self):
         cleaned_data = super().clean()
 
         led_type = int(cleaned_data["led_type"])
+
         if led_type:
             required_fields = set(field.name for field in dataclass_fields(LedConfig.ledconfig_types[led_type]))
         else:
@@ -154,7 +208,7 @@ class ConfigLedMessageForm(MeshMessageForm):
             "led_type": led_type
         }
 
-        for key, value in cleaned_data.items():
+        """for key, value in cleaned_data.items():
             if key == "recipients":
                 continue
             if value and key not in required_fields:
@@ -164,7 +218,7 @@ class ConfigLedMessageForm(MeshMessageForm):
             value = cleaned_data.pop(key, "")
             if value == "":
                 errors[key] = _("this field is required for this LED type")
-            led_config[key] = value
+            led_config[key] = value"""
 
         cleaned_data["led_config"] = led_config
 
diff --git a/src/c3nav/mesh/messages.py b/src/c3nav/mesh/messages.py
index 3ce85780..2e7de544 100644
--- a/src/c3nav/mesh/messages.py
+++ b/src/c3nav/mesh/messages.py
@@ -227,7 +227,7 @@ class BoardType(IntEnum):
 @dataclass
 class ConfigBoardMessage(MeshMessage, msg_id=MeshMessageType.CONFIG_BOARD):
     """ set/respond board config """
-    board_config: BoardConfig = field(metadata={"c_embed": True})
+    board_config: BoardConfig = field(metadata={"c_embed": True, "json_embed": True})
 
 
 @dataclass