diff --git a/meshtastic/telemetry.proto b/meshtastic/telemetry.proto
index 42c5a93..76135e7 100644
--- a/meshtastic/telemetry.proto
+++ b/meshtastic/telemetry.proto
@@ -375,4 +375,24 @@ enum TelemetrySensorType {
    * DFRobot Lark Weather station (temperature, humidity, pressure, wind speed and direction) 
    */
   DFROBOT_LARK = 24;
+  
+  /*
+   * NAU7802 Scale Chip or compatible
+   */
+  NAU7802 = 25;
+}
+
+/*
+ * NAU7802 Telemetry configuration, for saving to flash
+ */
+message Nau7802Config {
+  /*
+   * The offset setting for the NAU7802
+   */
+  int32 zeroOffset = 1;
+
+  /*
+   * The calibration factor for the NAU7802
+   */
+  float calibrationFactor = 2;
 }