diff --git a/overlay_templates/TMP421.template b/overlay_templates/TMP421.template
new file mode 100644
index 0000000..3d32d71
--- /dev/null
+++ b/overlay_templates/TMP421.template
@@ -0,0 +1,21 @@
+/dts-v1/;
+/plugin/;
+/ {
+    compatible = "$platform";
+    fragment@0{
+        target = <&i2c$bus>;
+        __overlay__{
+            #address-cells = <1>;
+            #size-cells = <0>;
+            status = "okay";
+            tmp421@$name$name1 {
+                compatible = "ti,tmp421";
+                reg = <$address>;
+                oemname1 = "$name";
+                oemname2 = "$name1";
+                scale = "-3";
+            };
+        };
+
+    };
+};
\ No newline at end of file