diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9befbb9..0553b60 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -11,9 +11,9 @@ include($ENV{IDF_PATH}/tools/cmake/project.cmake)
 project(gatt_server_service_table_demo)
 
 
-target_add_binary_data(${CMAKE_PROJECT_NAME}.elf "main/aws/client.crt" TEXT)
-target_add_binary_data(${CMAKE_PROJECT_NAME}.elf "main/aws/client.key" TEXT)
-target_add_binary_data(${CMAKE_PROJECT_NAME}.elf "main/aws/awsrootca.crt" TEXT)
-target_add_binary_data(${CMAKE_PROJECT_NAME}.elf "main/https_ota/google.crt" TEXT)
+# target_add_binary_data(${CMAKE_PROJECT_NAME}.elf "main/aws/client.crt" TEXT)
+# target_add_binary_data(${CMAKE_PROJECT_NAME}.elf "main/aws/client.key" TEXT)
+# target_add_binary_data(${CMAKE_PROJECT_NAME}.elf "main/aws/awsrootca.crt" TEXT)
+# target_add_binary_data(${CMAKE_PROJECT_NAME}.elf "main/https_ota/google.crt" TEXT)
 
  
\ No newline at end of file
diff --git a/main/CMakeLists.txt b/main/CMakeLists.txt
index 0d99f14..95d18a9 100644
--- a/main/CMakeLists.txt
+++ b/main/CMakeLists.txt
@@ -4,6 +4,7 @@ set(COMPONENT_SRCS "main.c"
 				   "board/led.c" 
 				   "board/IP5306.c" 
 				   "board/battery.c" 
+				   "board/uart.c" 
 				   "aws/aws.c" 
 				   "https_ota/httpsota.c" 
 				   "wifi/wifi_connect.c" 
diff --git a/main/board/uart.c b/main/board/uart.c
new file mode 100644
index 0000000..ed907da
--- /dev/null
+++ b/main/board/uart.c
@@ -0,0 +1,89 @@
+/* UART Echo Example
+
+   This example code is in the Public Domain (or CC0 licensed, at your option.)
+
+   Unless required by applicable law or agreed to in writing, this
+   software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+   CONDITIONS OF ANY KIND, either express or implied.
+*/
+#include <stdio.h>
+#include "freertos/FreeRTOS.h"
+#include "freertos/task.h"
+#include "driver/uart.h"
+#include "driver/gpio.h"
+#include "sdkconfig.h"
+#include "esp_log.h"
+
+/**
+ * This is an example which echos any data it receives on configured UART back to the sender,
+ * with hardware flow control turned off. It does not use UART driver event queue.
+ *
+ * - Port: configured UART
+ * - Receive (Rx) buffer: on
+ * - Transmit (Tx) buffer: off
+ * - Flow control: off
+ * - Event queue: off
+ * - Pin assignment: see defines below (See Kconfig)
+ */
+
+#define ECHO_TEST_TXD 1
+#define ECHO_TEST_RXD 3
+#define ECHO_TEST_RTS (UART_PIN_NO_CHANGE)
+#define ECHO_TEST_CTS (UART_PIN_NO_CHANGE)
+
+#define ECHO_UART_PORT_NUM      1
+#define ECHO_UART_BAUD_RATE     115200
+#define ECHO_TASK_STACK_SIZE    2048
+
+static const char *TAG = "UART TEST";
+
+#define BUF_SIZE (1024)
+
+static void echo_task(void *arg)
+{
+    /* Configure parameters of an UART driver,
+     * communication pins and install the driver */
+    uart_config_t uart_config = {
+        .baud_rate = ECHO_UART_BAUD_RATE,
+        .data_bits = UART_DATA_8_BITS,
+        .parity    = UART_PARITY_DISABLE,
+        .stop_bits = UART_STOP_BITS_1,
+        .flow_ctrl = UART_HW_FLOWCTRL_DISABLE,
+        .source_clk = UART_SCLK_DEFAULT,
+    };
+    int intr_alloc_flags = 0;
+
+#if CONFIG_UART_ISR_IN_IRAM
+    intr_alloc_flags = ESP_INTR_FLAG_IRAM;
+#endif
+
+    ESP_ERROR_CHECK(uart_driver_install(ECHO_UART_PORT_NUM, BUF_SIZE * 2, 0, 0, NULL, intr_alloc_flags));
+    ESP_ERROR_CHECK(uart_param_config(ECHO_UART_PORT_NUM, &uart_config));
+    ESP_ERROR_CHECK(uart_set_pin(ECHO_UART_PORT_NUM, ECHO_TEST_TXD, ECHO_TEST_RXD, ECHO_TEST_RTS, ECHO_TEST_CTS));
+
+    // Configure a temporary buffer for the incoming data
+    uint8_t *data = (uint8_t *) malloc(BUF_SIZE);
+
+
+
+    while (1) {
+        // Read data from the UART
+        int len = uart_read_bytes(ECHO_UART_PORT_NUM, data, (BUF_SIZE - 1), 20 / portTICK_PERIOD_MS);
+        // Write data back to the UART
+        uart_write_bytes(ECHO_UART_PORT_NUM, (const char *) data, len);
+
+        if (len) {
+            data[len] = '\0';
+            ESP_LOGI(TAG, "Recv str: %s", (char *) data);
+
+        }
+    }
+}
+
+void uart_echo_test(void)
+{
+	esp_log_level_set(TAG, ESP_LOG_INFO);
+	 ESP_LOGI(TAG, "ECHO UART start");
+
+    xTaskCreate(echo_task, "uart_echo_task", ECHO_TASK_STACK_SIZE, NULL, 10, NULL);
+}
diff --git a/main/board/uart.h b/main/board/uart.h
new file mode 100644
index 0000000..fc92cca
--- /dev/null
+++ b/main/board/uart.h
@@ -0,0 +1,15 @@
+/*
+ * uart.h
+ *
+ *  Created on: 30 May 2023
+ *      Author: MertechArge014
+ */
+
+#ifndef MAIN_BOARD_UART_H_
+#define MAIN_BOARD_UART_H_
+
+
+void uart_echo_test(void);
+
+
+#endif /* MAIN_BOARD_UART_H_ */
diff --git a/main/main.c b/main/main.c
index d87f1ab..99d50f1 100644
--- a/main/main.c
+++ b/main/main.c
@@ -60,6 +60,7 @@ ota_1,app,ota_1,0xc00000,4M,
 #include "aws.h"
 #include "httpsota.h"
 #include "wifi_connect.h"
+#include "uart.h"
 
 #include "nvs.h"
 #include "nvs_flash.h"
@@ -70,6 +71,7 @@ static const char *TAG = "MAIN";
 
 
 
+
 //==========================================================================================================
 //==========================================================================================================
 //
@@ -98,8 +100,12 @@ void app_main(void)
         char issid[32];
         char ipass[32];
 
-        sprintf(issid,"%s","MERLIN");
-        sprintf(ipass,"%s","narnia1523");
+     //   sprintf(issid,"%s","MERLIN");
+     //   sprintf(ipass,"%s","narnia1523");
+
+        sprintf(issid,"%s","Mertech_2_4");
+        sprintf(ipass,"%s","MeR0TecH_2");
+
 
         nvs_flash_init();
         nvs_handle_t nvs;
@@ -108,6 +114,7 @@ void app_main(void)
         nvs_set_str(nvs, "pass", ipass);
         nvs_close(nvs);
 
+      //  uart_echo_test();
 
     LED_Init();