diff --git a/.github/workflows/lint.yaml b/.github/workflows/lint.yaml
index 5dd0e34..6ca0e29 100644
--- a/.github/workflows/lint.yaml
+++ b/.github/workflows/lint.yaml
@@ -19,4 +19,16 @@ jobs:
       uses: docker://avtodev/markdown-lint:v1
       with:
         args: '**/*.md'
-        config: .markdownlint.yaml
\ No newline at end of file
+        config: .markdownlint.yaml
+  validate-json:
+    name: Validate configuration files
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v2
+
+      - name: Validate gunpla configs
+        uses: cardinalby/schema-validator-action@v3
+        with:
+          file: 'src/config/*.json'
+#          schema: 'src/config/gundam_led_config.schema.json'
diff --git a/gundam_led_config.schema.json b/gundam_led_config.schema.json
new file mode 100644
index 0000000..88467a1
--- /dev/null
+++ b/gundam_led_config.schema.json
@@ -0,0 +1,37 @@
+{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "title": "GundamLEDConfig",
+  "type": "object",
+  "required": ["name", "leds", "lightshow"],
+  "properties": {
+    "name": {
+      "type": "string",
+      "description": "The model name of the Gundam unit."
+    },
+    "leds": {
+      "type": "array",
+      "items": {
+        "type": "object",
+        "required": ["name", "pin"],
+        "properties": {
+          "name": { "type": "string" },
+          "pin": { "type": "integer", "minimum": 0, "maximum": 22 },
+          "color": { "type": "string" },
+          "disabled": { "type": "boolean", "default": false }
+        }
+      }
+    },
+    "lightshow": {
+      "type": "array",
+      "items": {
+        "type": "object",
+        "required": ["name", "path", "method"],
+        "properties": {
+          "name": { "type": "string" },
+          "path": { "type": "string" },
+          "method": { "type": "string" }
+        }
+      }
+    }
+  }
+}
\ No newline at end of file
diff --git a/src/config/generic_gundam.json b/src/config/generic_gundam.json
index 43ec352..d986f02 100644
--- a/src/config/generic_gundam.json
+++ b/src/config/generic_gundam.json
@@ -1,4 +1,6 @@
 {
+  "$schema": "gundam_led_config.schema.json",
+
   "name": "gunpla",
   "leds": [
     {"name":  "head", "pin": 0, "color":  "green"},
@@ -11,5 +13,7 @@
     {"name":  "weapon2", "pin":  7, "color":  "red"},
     {"name":  "weapon2_camera", "pin":  8, "color":  "green"},
     {"name":  "vernier", "pin": 10, "color":  "blue"}
+  ],
+  "lightshow": [
   ]
 }
\ No newline at end of file
diff --git a/src/config/nu_gundam.json b/src/config/nu_gundam.json
index 44b6b4d..8b8093d 100644
--- a/src/config/nu_gundam.json
+++ b/src/config/nu_gundam.json
@@ -1,4 +1,5 @@
 {
+  "$schema": "gundam_led_config.schema.json",
   "name": "RX-93 Nu Gundam",
   "leds": [
     {
@@ -41,12 +42,6 @@
       "name": "fin_funnel_6",
       "pin": 7,
       "color": "white"
-    },
-    {
-      "name": "fakething",
-      "pin": 45,
-      "color": "white",
-      "disabled": true
     }
   ],
   "lightshow": [
diff --git a/src/config/unicorn_banshee.json b/src/config/unicorn_banshee.json
index d1a675c..b4e17d3 100644
--- a/src/config/unicorn_banshee.json
+++ b/src/config/unicorn_banshee.json
@@ -1,4 +1,5 @@
 {
+  "$schema": "gundam_led_config.schema.json",
   "name": "RX-0 Unicorn Banshee",
   "leds": [
     {
@@ -67,11 +68,6 @@
       "pin": 6,
       "color": "orange"
     },
-    {
-      "name": "l_weapon",
-      "pin": 22,
-      "color": "orange"
-    },
     {
       "name": "head",
       "pin": 7,
@@ -79,7 +75,7 @@
     },
     {
       "name": "head_camera",
-      "pin": 23,
+      "pin": 22,
       "color": "green"
     }
   ],