diff --git a/main.ts b/main.ts
index 8bed4ae..9386549 100644
--- a/main.ts
+++ b/main.ts
@@ -934,10 +934,12 @@ namespace mbit_Robot {
     export function Avoid_Sensor(value: enAvoidState): boolean {
 
         let temp: boolean = false;
+        pins.setPull(DigitalPin.P9, PinPullMode.PullUp)
         pins.digitalWritePin(DigitalPin.P9, 0);
-        control.waitMicros(10);
+        control.waitMicros(100);
         switch (value) {
             case enAvoidState.OBSTACLE: {
+                serial.writeNumber(pins.analogReadPin(AnalogPin.P3))
                 if (pins.analogReadPin(AnalogPin.P3) < 800) {
                 
                     temp = true;
diff --git a/pxt.json b/pxt.json
index b5c1b87..42ccebb 100644
--- a/pxt.json
+++ b/pxt.json
@@ -1,7 +1,7 @@
 {
     "name": "mbit",
-    "version": "3.0.4",
-    "description": "Extension for YahBoom m:bit V3.0.4",
+    "version": "3.0.5",
+    "description": "Extension for YahBoom m:bit V3.0.5",
     "license": "MIT",
     "dependencies": {
         "core": "*",