diff --git a/SampleSrc/cds01.ino b/SampleSrc/cds01.ino
index 8cfede4..0c61a64 100644
--- a/SampleSrc/cds01.ino
+++ b/SampleSrc/cds01.ino
@@ -1,20 +1,40 @@
+#include <M5StickCPlus.h>
+
+#define USE_DISPLAY
+
 int PIN = 26;
 
 // +--- 15kΩ抵抗 --+-- CdSセル --+
-// |              |             |
-// GND           G26           3V3
+// |                            |                       |
+// GND                  G26                  3V3
 // https://www.storange.jp/2012/03/arduinocds.html
 
 // 注意点: https://lang-ship.com/reference/unofficial/M5StickC/Peripherals/ADC/
 
 void setup() {
+  #ifdef USE_DISPLAY
+  M5.begin();
+  M5.Lcd.setRotation(3);
+  #else
   Serial.begin(115200); //M5.beginを使わずにシリアルを使う場合
+  #endif
+  
   pinMode(PIN, ANALOG); // PINのモード設定
   // https://lang-ship.com/blog/work/m5stickc-io/
 }
 
 void loop() {
-  Serial.printf("%04d\n", analogRead(PIN) ); // 暗 0 〜 4095 明
-  delay(1000);
+  int val = analogRead(PIN);
+  #ifdef USE_DISPLAY
+  M5.Lcd.fillScreen( CYAN );
+  M5.Lcd.setCursor(30, 34, 4);  M5.Lcd.setTextSize(2);
+  M5.Lcd.setTextColor( WHITE, BLUE );
+  M5.Lcd.printf("  %4d  \n CdS ", val);
+  #endif
+  
+  Serial.printf("%04d\n", val ); // 暗 0 〜 4095 明
+  delay(300);
+  
 }
 
+
diff --git a/SampleSrc/led01.ino b/SampleSrc/led01.ino
index 4149c43..068b64d 100644
--- a/SampleSrc/led01.ino
+++ b/SampleSrc/led01.ino
@@ -1,15 +1,24 @@
-int PIN = 10; // 赤色LED G10
-//int PIN = 9; // Ir LED (カメラには映りますが、肉眼では見えません) G9
-// その他、G0 (0) , G25 (25), G26 (26) がつかえます。
-// https://lang-ship.com/blog/work/m5stickc-io/
-
-void setup() {
-  pinMode(PIN, OUTPUT); // PINのモード設定
-}
-
-void loop() {
-  digitalWrite(PIN, HIGH); // HIGH = 1
-  delay(1000);
-  digitalWrite(PIN, LOW); // LOW = 0
-  delay(500);
-}
\ No newline at end of file
+int PIN = 10; // 赤色LED G10
+int PIN2 = 26; // 外部LED G0
+//int PIN3 = 9; // Ir LED (カメラには映りますが、肉眼では見えません) G9
+// G0 (0) , G25 (25), G26 (26) がつかえます。
+// https://lang-ship.com/blog/work/m5stickc-io/
+
+void setup() {
+  Serial.begin(115200);
+  pinMode(PIN, OUTPUT); // PINのモード設定
+  pinMode(PIN2, OUTPUT); // PIN2のモード設定
+}
+
+void loop() {
+  digitalWrite(PIN, HIGH); // HIGH = 1
+  digitalWrite(PIN2, HIGH); // HIGH = 1
+  Serial.println("HIGH");
+  delay(1000);
+  digitalWrite(PIN, LOW); // LOW = 0
+  digitalWrite(PIN2, LOW); // LOW = 0
+  Serial.println("LOW");
+  delay(500);
+}
+
+
diff --git a/SampleSrc/mqtt01pub.ino b/SampleSrc/mqtt01pub.ino
index 93e1b0a..eeb2724 100644
--- a/SampleSrc/mqtt01pub.ino
+++ b/SampleSrc/mqtt01pub.ino
@@ -76,3 +76,4 @@
 }
 
 
+