diff --git a/components/i2c/mcp9601/definition.json b/components/i2c/mcp9601/definition.json
new file mode 100644
index 0000000..51533e3
--- /dev/null
+++ b/components/i2c/mcp9601/definition.json
@@ -0,0 +1,17 @@
+{
+  "displayName": "MCP9808",
+  "vendor": "Microchip",
+  "productURL": "https://www.adafruit.com/product/5165",
+  "documentationURL": "https://learn.adafruit.com/adafruit-mcp9601",
+  "published": false,
+  "i2cAddresses": [ "0x60", "0x61", "0x62", "0x63", "0x64", "0x65", "0x66", "0x67"],
+  "subcomponents": [ 
+    "ambient-temp",
+    "ambient-temp-fahrenheit",
+    {
+      "displayName": "Type K Thermocouple (°C)",
+      "sensorType": "raw",
+      "defaultPeriod": 30
+    }
+  ]
+}
diff --git a/components/i2c/vl53l4cx/definition.json b/components/i2c/vl53l4cx/definition.json
new file mode 100644
index 0000000..f81dca1
--- /dev/null
+++ b/components/i2c/vl53l4cx/definition.json
@@ -0,0 +1,20 @@
+{
+  "displayName": "VL53L4CX",
+  "published": false,
+  "vendor": "STMicroelectronics",
+  "productURL": "https://www.adafruit.com/product/5425",
+  "documentationURL": "https://learn.adafruit.com/adafruit-vl53l4cx-time-of-flight-distance-sensor",
+  "i2cAddresses": [ "0x29" ],
+  "subcomponents": [
+    {
+      "displayName": "ToF Sensor - Object 1",
+      "sensorType": "proximity",
+      "defaultPeriod": 30
+    },
+    {
+      "displayName": "ToF Sensor - Object 2",
+      "sensorType": "raw",
+      "defaultPeriod": 30
+    }
+  ]
+}