diff --git a/admin/main.go b/admin/main.go
index 5b137b8..d342748 100644
--- a/admin/main.go
+++ b/admin/main.go
@@ -200,7 +200,7 @@ func getOpened(ctx context.Context, cmd *cli.Command) error {
 		return err
 	}
 
-	opened, err := makeGetReq(fmt.Sprintf("%s/read", server))
+	opened, err := makeGetReq(fmt.Sprintf("%s/open", server))
 	if err != nil {
 		return err
 	}
@@ -244,7 +244,7 @@ func getAlert(context.Context, *cli.Command) error {
 		return err
 	}
 
-	alert, err := makeGetReq(fmt.Sprintf("%s/alerts", server))
+	alert, err := makeGetReq(fmt.Sprintf("%s/alert", server))
 	if err != nil {
 		return err
 	}
@@ -305,7 +305,7 @@ func createManageAlert(alert bool) func(context.Context, *cli.Command) error {
 			data.For = secs
 		}
 
-		_, err = makePostReq(fmt.Sprintf("%s/alerts", server), data)
+		_, err = makePostReq(fmt.Sprintf("%s/alert", server), data)
 		if err != nil {
 			return err
 		}
diff --git a/peripheral/main.py b/peripheral/main.py
index 2f57e11..cb8b0b0 100644
--- a/peripheral/main.py
+++ b/peripheral/main.py
@@ -7,7 +7,7 @@ from machine import Pin
 THRESHOLD_DISTANCE = 15  # cm
 SOUND_SPEED = 340 * 100  # m/s * centi = cm/s
 MAX_CONNECTION_RETRIES = 50
-ULTRA_OPENED_THRESHOLD = 3
+ULTRA_OPENED_THRESHOLD = 2
 
 
 class App:
@@ -148,14 +148,18 @@ class App:
                     self.led.low()
                     self.ultra_opened_counter = 0
 
+                    # was it just closed?
                     if self.previously_opened:
                         self.update_server()
+                    self.previously_opened = False
                 else:
                     self.led.high()
                     self.ultra_opened_counter += 1
 
-                    if self.ultra_opened_counter >= ULTRA_OPENED_THRESHOLD:
+                    # was it just opened? +wait delay
+                    if self.ultra_opened_counter >= ULTRA_OPENED_THRESHOLD and not self.previously_opened:
                         self.update_server()
+                        self.previously_opened = True
 
                 if i >= 20:
                     self.led.toggle()
@@ -169,9 +173,8 @@ class App:
                     utime.sleep_ms(500)
 
             except Exception as e:
-                print(f"Fatal exception occurred: {e}")
+                print(f"Fatal error occurred: {e}")
 
-            self.previously_opened = self.opened
             i += 1
 
 if __name__ == "__main__":