main.go

@@ -15,6 +15,7 @@ const (
 	vendorID     = 0x1446
 	productID    = 0x6A73
 	refreshRate  = 500 * time.Millisecond
+	calibration  = 0.952 // scale correction factor: 2.1 reported = 2.0 actual
 )
 
 func main() {
@@ -51,7 +52,7 @@ func main() {
 		}
 
 		raw := binary.LittleEndian.Uint16(buf[4:6])
-		oz := float64(raw) / 10.0
+		oz := float64(raw) / 10.0 * calibration
 		rounded := math.Round(oz*10) / 10
 
 		fmt.Printf("\r📦 Weight: %.1f oz       ", rounded)