diff --git a/RC_Rx_header_example/rc_rx.cpp b/RC_Rx_header_example/rc_rx.cpp
index 1f2d935..4168674 100644
--- a/RC_Rx_header_example/rc_rx.cpp
+++ b/RC_Rx_header_example/rc_rx.cpp
@@ -91,11 +91,12 @@ void init_rc_rx(){
 }
 
 void read_rc_rx(){
+  noInterrupts();
   CH1 = ((float)CH1_delta-(float)min_high_time)*100/(max_high_time-min_high_time);
   CH2 = ((float)CH2_delta-(float)min_high_time)*100/(max_high_time-min_high_time);
   CH3 = ((float)CH3_delta-(float)min_high_time)*100/(max_high_time-min_high_time);
   CH4 = ((float)CH4_delta-(float)min_high_time)*100/(max_high_time-min_high_time);
-
+  interrupts();
 }
 
 
diff --git a/RC_Rx_header_example_ver_0_2/rc_rx.cpp b/RC_Rx_header_example_ver_0_2/rc_rx.cpp
index 0a335b1..c0a599c 100644
--- a/RC_Rx_header_example_ver_0_2/rc_rx.cpp
+++ b/RC_Rx_header_example_ver_0_2/rc_rx.cpp
@@ -168,6 +168,7 @@ void init_rc_rx(){
 }
 
 void read_rc_rx(){
+  noInterrupts();
   CH1 = ((float)CH1_delta-(float)min_high_time)*100/(max_high_time-min_high_time);
   CH2 = ((float)CH2_delta-(float)min_high_time)*100/(max_high_time-min_high_time);
   CH3 = ((float)CH3_delta-(float)min_high_time)*100/(max_high_time-min_high_time);
@@ -175,7 +176,7 @@ void read_rc_rx(){
   CH5 = ((float)CH5_delta-(float)min_high_time)*100/(max_high_time-min_high_time);
   CH6 = ((float)CH6_delta-(float)min_high_time)*100/(max_high_time-min_high_time);
   CH7 = ((float)CH7_delta-(float)min_high_time)*100/(max_high_time-min_high_time);
-
+  interrupts();
 }