diff --git a/examples/GPIO1/imgs/pinbit_microbit_Hello_Real_World.fzz b/examples/GPIO1/imgs/pinbit_microbit_Hello_Real_World.fzz
old mode 100755
new mode 100644
index 63508f8..3d8fbac
Binary files a/examples/GPIO1/imgs/pinbit_microbit_Hello_Real_World.fzz and b/examples/GPIO1/imgs/pinbit_microbit_Hello_Real_World.fzz differ
diff --git a/examples/GPIO1/imgs/pinbit_microbit_Hello_Real_World.png b/examples/GPIO1/imgs/pinbit_microbit_Hello_Real_World.png
old mode 100755
new mode 100644
index 9b7e938..dd36942
Binary files a/examples/GPIO1/imgs/pinbit_microbit_Hello_Real_World.png and b/examples/GPIO1/imgs/pinbit_microbit_Hello_Real_World.png differ
diff --git a/examples/GPIO1/main.js b/examples/GPIO1/main.js
old mode 100755
new mode 100644
index 0cdeefa..28647b4
--- a/examples/GPIO1/main.js
+++ b/examples/GPIO1/main.js
@@ -4,30 +4,32 @@ var gpioPort0;
 
 var blinkEnable;
 
-async function connect(){
-	microBitBle = await microBitBleFactory.connect();
-	msg.innerHTML=("micro:bit BLE接続しました。");
-	var gpioAccess = await microBitBle.requestGPIOAccess();
-	var mbGpioPorts = gpioAccess.ports;
-	gpioPort0 = mbGpioPorts.get(0);
-	await gpioPort0.export("out"); //port0 out
-	blinkEnable = true;
-	LEDblink();
+async function connect() {
+  microBitBle = await microBitBleFactory.connect();
+  msg.innerHTML = "micro:bit BLE接続しました。";
+  var gpioAccess = await microBitBle.requestGPIOAccess();
+  var mbGpioPorts = gpioAccess.ports;
+  gpioPort0 = mbGpioPorts.get(0);
+  await gpioPort0.export("out"); //port0 out
+  gpioPort1 = mbGpioPorts.get(1);
+  await gpioPort1.export("out"); // port1 out
+  blinkEnable = true;
+  LEDblink();
 }
 
-async function disconnect(){
-	blinkEnable = false;
-	await microBitBle.disconnect();
-	msg.innerHTML=("micro:bit BLE接続を切断しました。");
+async function disconnect() {
+  blinkEnable = false;
+  await microBitBle.disconnect();
+  msg.innerHTML = "micro:bit BLE接続を切断しました。";
 }
 
-async function LEDblink(){
-	var gpio0Val = 0;
-	while ( blinkEnable ){
-		gpio0Val = (gpio0Val === 1 ) ? 0 : 1; // 条件 (三項) 演算子
-		await gpioPort0.write(gpio0Val);
-		msg.innerHTML= gpio0Val ;
-		await sleep(1000);
-	}
+async function LEDblink() {
+  var gpio0Val = 0;
+  while (blinkEnable) {
+    gpio0Val = gpio0Val === 1 ? 0 : 1; // 条件 (三項) 演算子
+    await gpioPort0.write(gpio0Val);
+    await gpioPort1.write(!gpio0Val);
+    msg.innerHTML = gpio0Val;
+    await sleep(10000);
+  }
 }
-