diff --git a/stm-firmware/main.c b/stm-firmware/main.c
index 9fa8d3d..f9066d4 100644
--- a/stm-firmware/main.c
+++ b/stm-firmware/main.c
@@ -214,7 +214,9 @@ int main()
 
 		main_loop_cnt++;
 
-		strcpy(&disp[0][0], "Line 1");
+
+		rot = rotary_encoder_get_abs_val();
+		snprintf(&disp[0][0], 21U, "Rot-Enc: %u", rot);
 		strcpy(&disp[1][0], "Line 2");
 		strcpy(&disp[3][0], "Shimatta Reflow");