diff --git a/SampleSrc/espnow04.ino b/SampleSrc/espnow04.ino
new file mode 100644
index 0000000..019bef6
--- /dev/null
+++ b/SampleSrc/espnow04.ino
@@ -0,0 +1,252 @@
+#include "M5StickCPlus.h"
+#include <esp_now.h>
+#include <WiFi.h>
+
+esp_now_peer_info_t peerInfo;
+int line = 0;
+
+void Init_ESPNOW()
+{ // ESPNowの初期化
+    // 引用： https://101010.fun/iot/esp32-m5stickc-plus-esp-now.html
+    WiFi.mode(WIFI_STA);
+    WiFi.disconnect();
+    if (esp_now_init() == ESP_OK)
+    {
+        M5.Lcd.println("ESP-Now Init Success");
+    }
+    else
+    {
+        M5.Lcd.println("ESP-Now Init failed");
+        ESP.restart();
+    }
+    // マルチキャスト用Slave登録
+    memset(&peerInfo, 0, sizeof(peerInfo));
+    for (int i = 0; i < 6; ++i)
+    {
+        peerInfo.peer_addr[i] = (uint8_t)0xff;
+    }
+    esp_err_t addStatus = esp_now_add_peer(&peerInfo);
+    if (addStatus == ESP_OK)
+    {
+        // Pair success
+        M5.Lcd.println("Pair success");
+        esp_now_register_send_cb(onESPNOWSent);    //送信後のコールバック関数を指定する
+        esp_now_register_recv_cb(onESPNOWReceive); ///受信時のコールバック関数を指定する
+    }
+}
+// データを送信した後に実行されるコールバック関数
+// 引用： https://101010.fun/iot/esp32-m5stickc-plus-esp-now.html
+void onESPNOWSent(const uint8_t *mac_addr, esp_now_send_status_t status)
+{
+    // char macStr[18];
+    // snprintf(macStr, sizeof(macStr), "%02X:%02X:%02X:%02X:%02X:%02X",
+    //          mac_addr[0], mac_addr[1], mac_addr[2], mac_addr[3], mac_addr[4], mac_addr[5]);
+    line++;
+    if (line > 0)
+    {
+        M5.Lcd.fillScreen(BLACK);
+        M5.Lcd.setCursor(0, 0, 1);
+        line = 0;
+        M5.Beep.tone(500, 500);
+    }
+    else
+    {
+        M5.Beep.tone(250, 500);
+    }
+    M5.Lcd.setTextColor(BLACK, GREEN);
+
+    M5.Lcd.println(status == ESP_NOW_SEND_SUCCESS ? "Delivery Success" : "Delivery Fail");
+}
+
+// データを受け取った時に実行されるコールバック関数
+void onESPNOWReceive(const uint8_t *mac_addr, const uint8_t *data, int data_len)
+{
+    char macStr[18];
+    snprintf(macStr, sizeof(macStr), "%02X:%02X:%02X:%02X:%02X:%02X",
+             mac_addr[0], mac_addr[1], mac_addr[2], mac_addr[3], mac_addr[4], mac_addr[5]);
+    // Serial.println();
+    // Serial.printf("Last Packet Recv from: %s\n", macStr);
+    // Serial.printf("Last Packet Recv Data(%d): ", data_len);
+    if (data[0] == 50 && data[1] == 200) // 100,254に深い意味はない。uint8_tは0〜255の数値
+    {
+        line++;
+        if (line = 1)//レ　どうし
+        {
+            M5.Beep.tone(146, 750);
+            M5.Lcd.fillScreen(GREEN);
+            M5.Lcd.setCursor(0, 0, 1);
+            line++;
+            delay(500);
+        }
+        if (line = 2)//レ　たっ
+        {
+            M5.Beep.tone(146, 1000);
+            M5.Lcd.fillScreen(BLACK);
+            M5.Lcd.setCursor(0, 0, 1);
+             line++;
+            delay(500);
+        }
+        if (line = 3)//シ　て
+        {
+            M5.Beep.tone(246, 250);
+            M5.Lcd.fillScreen(RED);
+            M5.Lcd.setCursor(0, 0, 1);
+            line++;
+            delay(500);
+        }
+        if (line = 4)//ラ　け
+        {
+            M5.Beep.tone(164, 1000);
+            M5.Lcd.fillScreen(GREEN);
+            M5.Lcd.setCursor(0, 0, 1);
+             line++;
+            delay(250);
+        }
+        if (line = 5)//シ　せ
+        {
+            M5.Beep.tone(493, 1000);
+            M5.Lcd.fillScreen(BLACK);
+            M5.Lcd.setCursor(0, 0, 1);
+            line++;
+            delay(250);
+        }
+         if (line = 6)//レ　な
+        {
+            M5.Beep.tone(164, 1000);
+            M5.Lcd.fillScreen(RED);
+            M5.Lcd.setCursor(0, 0, 1);
+            line++;
+            delay(250);
+        }
+        if (line = 7)//シ　い
+        {
+            M5.Beep.tone(493, 1000);
+            M5.Lcd.fillScreen(GREEN);
+            M5.Lcd.setCursor(0, 0, 1);
+             line++;
+            delay(250);
+        }
+        if (line = 8)//ラ　ゆ
+        {
+            M5.Beep.tone(164, 1000);
+            M5.Lcd.fillScreen(BLACK);
+            M5.Lcd.setCursor(0, 0, 1);
+            line++;
+            delay(250);
+        }
+        if (line = 9)//シ　め
+        {
+            M5.Beep.tone(493, 1000);
+            M5.Lcd.fillScreen(RED);
+            M5.Lcd.setCursor(0, 0, 1);
+             line++;
+            delay(50);
+        }
+        if (line = 10)//シ　も
+        {
+            M5.Beep.tone(493, 250);
+            M5.Lcd.fillScreen(GREEN);
+            M5.Lcd.setCursor(0, 0, 1);
+            line++;
+            delay(500);
+        }
+        if (line = 11)//ソ　と
+        {
+            M5.Beep.tone(391, 250);
+            M5.Lcd.fillScreen(BLACK);
+            M5.Lcd.setCursor(0, 0, 1);
+            line++;
+            delay(250);
+        }
+        if (line = 12)//ラ　ま
+        {
+            M5.Beep.tone(184, 1000);
+            M5.Lcd.fillScreen(RED);
+            M5.Lcd.setCursor(0, 0, 1);
+             line++;
+            delay(250);
+        }
+        if (line = 13)//シ　れ
+        {
+            M5.Beep.tone(493, 250);
+            M5.Lcd.fillScreen(GREEN);
+            M5.Lcd.setCursor(0, 0, 1);
+            line++;
+            delay(250);
+        }
+        if (line = 14)//レ　な
+        {
+            M5.Beep.tone(587, 1000);
+            M5.Lcd.fillScreen(BLACK);
+            M5.Lcd.setCursor(0, 0, 1);
+             line++;
+            delay(250);
+        }
+        if (line = 15)//シ　い
+        {
+            M5.Beep.tone(493, 1000);
+            M5.Lcd.fillScreen(RED);
+            M5.Lcd.setCursor(0, 0, 1);
+            line++;
+            delay(250);
+        }
+        if (line = 16)//ラ　い
+        {
+            M5.Beep.tone(184, 1000);
+            M5.Lcd.fillScreen(GREEN);
+            M5.Lcd.setCursor(0, 0, 1);
+            line++;
+            delay(250);
+        }
+        if (line = 17)//シ　ま
+        {
+            M5.Beep.tone(493, 1000);
+            M5.Lcd.fillScreen(BLACK);
+            M5.Lcd.setCursor(0, 0, 1);
+             line++;
+            delay(50);
+        }
+        if (line = 18)//シ　も
+        {
+            M5.Beep.tone(493, 250);
+            M5.Lcd.fillScreen(RED);
+            M5.Lcd.setCursor(0, 0, 1);
+            line=0;
+            delay(125);
+        }
+         
+        M5.Lcd.setTextColor(BLACK, CYAN);
+
+        M5.Lcd.printf(" %s\n", macStr);
+        M5.Lcd.printf("Data: %d %d\n", data[0], data[1]);
+    }
+}
+
+void setup()
+{
+    M5.begin();
+    M5.Lcd.setRotation(3);
+    M5.Lcd.fillScreen(YELLOW);
+
+    M5.Lcd.setTextColor(BLACK, YELLOW);
+    M5.Lcd.setCursor(0, 0, 1);
+    M5.Lcd.setTextSize(2);
+
+    Init_ESPNOW();
+}
+void loop()
+{
+    M5.update();
+    M5.Beep.update();
+    if (M5.BtnB.wasReleased())
+    {
+        uint8_t data[2] = {50, 200}; // 送信データ　   100, 254に深い意味はない。uint8_tは0〜255の数値
+        esp_err_t result = esp_now_send(peerInfo.peer_addr, data, sizeof(data));
+    }
+    
+    {
+        /* data */
+    };
+    
+    delay(20);
+}