diff --git a/.github/workflows/builder.yml b/.github/workflows/builder.yml
index 092371a..2b0be10 100644
--- a/.github/workflows/builder.yml
+++ b/.github/workflows/builder.yml
@@ -26,7 +26,7 @@ jobs:
       - name: Build
         uses: espressif/esp-idf-ci-action@v1
         with:
-          esp_idf_version: v5.2
+          esp_idf_version: v5.2.1
           target: ${{ matrix.platform }}
 
       - name: Upload artifact
diff --git a/components/config/src/board_config.c b/components/config/src/board_config.c
index 2ec6718..2606ae5 100644
--- a/components/config/src/board_config.c
+++ b/components/config/src/board_config.c
@@ -150,28 +150,28 @@ void board_config_load()
                     SET_CONFIG_VALUE("AUX_AIN_2", aux_ain_2, atob);
                     SET_CONFIG_VALUE_STR("AUX_AIN_2_NAME", aux_ain_2_name);
                     SET_CONFIG_VALUE("AUX_AIN_2_ADC_CHANNEL", aux_ain_2_adc_channel, atoi);
-#if CONFIG_ESP_CONSOLE_UART_NUM != 0
+#if CONFIG_ESP_CONSOLE_NONE || CONFIG_ESP_CONSOLE_UART_NUM != 0
                     SET_CONFIG_VALUE("SERIAL_1", serial_1, atoser);
                     SET_CONFIG_VALUE_STR("SERIAL_1_NAME", serial_1_name);
                     SET_CONFIG_VALUE("SERIAL_1_RXD_GPIO", serial_1_rxd_gpio, atoi);
                     SET_CONFIG_VALUE("SERIAL_1_TXD_GPIO", serial_1_txd_gpio, atoi);
                     SET_CONFIG_VALUE("SERIAL_1_RTS_GPIO", serial_1_rts_gpio, atoi);
-#endif /* CONFIG_ESP_CONSOLE_UART_NUM != 0 */
-#if CONFIG_ESP_CONSOLE_UART_NUM != 1
+#endif /* CONFIG_ESP_CONSOLE_NONE || CONFIG_ESP_CONSOLE_UART_NUM != 0 */
+#if CONFIG_ESP_CONSOLE_NONE || CONFIG_ESP_CONSOLE_UART_NUM != 1
                     SET_CONFIG_VALUE("SERIAL_2", serial_2, atoser);
                     SET_CONFIG_VALUE_STR("SERIAL_2_NAME", serial_2_name);
                     SET_CONFIG_VALUE("SERIAL_2_RXD_GPIO", serial_2_rxd_gpio, atoi);
                     SET_CONFIG_VALUE("SERIAL_2_TXD_GPIO", serial_2_txd_gpio, atoi);
                     SET_CONFIG_VALUE("SERIAL_2_RTS_GPIO", serial_2_rts_gpio, atoi);
-#endif /* CONFIG_ESP_CONSOLE_UART_NUM != 1 */
+#endif /* CONFIG_ESP_CONSOLE_NONE || CONFIG_ESP_CONSOLE_UART_NUM != 1 */
 #if SOC_UART_NUM > 2
-#if CONFIG_ESP_CONSOLE_UART_NUM != 2
+#if CONFIG_ESP_CONSOLE_NONE || CONFIG_ESP_CONSOLE_UART_NUM != 2
                     SET_CONFIG_VALUE("SERIAL_3", serial_3, atoser);
                     SET_CONFIG_VALUE_STR("SERIAL_3_NAME", serial_3_name);
                     SET_CONFIG_VALUE("SERIAL_3_RXD_GPIO", serial_3_rxd_gpio, atoi);
                     SET_CONFIG_VALUE("SERIAL_3_TXD_GPIO", serial_3_txd_gpio, atoi);
                     SET_CONFIG_VALUE("SERIAL_3_RTS_GPIO", serial_3_rts_gpio, atoi);
-#endif /* CONFIG_ESP_CONSOLE_UART_NUM != 2 */
+#endif /* CONFIG_ESP_CONSOLE_NONE || CONFIG_ESP_CONSOLE_UART_NUM != 2 */
 #endif /* SOC_UART_NUM > 2 */
                     SET_CONFIG_VALUE("ONEWIRE", onewire, atob);
                     SET_CONFIG_VALUE("ONEWIRE_GPIO", onewire_gpio, atoi);
diff --git a/components/peripherals/src/adc.c b/components/peripherals/src/adc.c
index 7130e56..8378f7d 100644
--- a/components/peripherals/src/adc.c
+++ b/components/peripherals/src/adc.c
@@ -21,7 +21,7 @@ void adc_init(void)
         ESP_LOGI(TAG, "Calibration scheme version is %s", "Curve Fitting");
         adc_cali_curve_fitting_config_t cali_config = {
             .unit_id = ADC_UNIT_1,
-            .atten = ADC_ATTEN_DB_11,
+            .atten = ADC_ATTEN_DB_12,
             .bitwidth = ADC_BITWIDTH_DEFAULT,
         };
         if (adc_cali_create_scheme_curve_fitting(&cali_config, &adc_cali_handle) == ESP_OK) {
@@ -35,7 +35,7 @@ void adc_init(void)
         ESP_LOGI(TAG, "Calibration scheme version is %s", "Line Fitting");
         adc_cali_line_fitting_config_t cali_config = {
             .unit_id = ADC_UNIT_1,
-            .atten = ADC_ATTEN_DB_11,
+            .atten = ADC_ATTEN_DB_12,
             .bitwidth = ADC_BITWIDTH_DEFAULT,
 #if CONFIG_IDF_TARGET_ESP32
             .default_vref = 1100
diff --git a/components/peripherals/src/aux_io.c b/components/peripherals/src/aux_io.c
index 1433184..ebf0580 100644
--- a/components/peripherals/src/aux_io.c
+++ b/components/peripherals/src/aux_io.c
@@ -118,7 +118,7 @@ void aux_init(void)
 
     adc_oneshot_chan_cfg_t config = {
         .bitwidth = ADC_BITWIDTH_DEFAULT,
-        .atten = ADC_ATTEN_DB_11
+        .atten = ADC_ATTEN_DB_12
     };
 
     if (board_config.aux_ain_1) {
diff --git a/components/peripherals/src/energy_meter.c b/components/peripherals/src/energy_meter.c
index d111f2b..8dd7226 100644
--- a/components/peripherals/src/energy_meter.c
+++ b/components/peripherals/src/energy_meter.c
@@ -276,7 +276,7 @@ void energy_meter_init(void)
     nvs_get_u16(nvs, NVS_AC_VOLTAGE, &ac_voltage);
     adc_oneshot_chan_cfg_t config = {
         .bitwidth = ADC_BITWIDTH_DEFAULT,
-        .atten = ADC_ATTEN_DB_11
+        .atten = ADC_ATTEN_DB_12
     };
 
     if (board_config.energy_meter == BOARD_CONFIG_ENERGY_METER_CUR) {
diff --git a/components/peripherals/src/pilot.c b/components/peripherals/src/pilot.c
index 6c90329..7898bec 100644
--- a/components/peripherals/src/pilot.c
+++ b/components/peripherals/src/pilot.c
@@ -43,7 +43,7 @@ void pilot_init(void)
 
     adc_oneshot_chan_cfg_t config = {
         .bitwidth = ADC_BITWIDTH_DEFAULT,
-        .atten = ADC_ATTEN_DB_11
+        .atten = ADC_ATTEN_DB_12
     };
     ESP_ERROR_CHECK(adc_oneshot_config_channel(adc_handle, board_config.pilot_adc_channel, &config));
 }
diff --git a/components/peripherals/src/proximity.c b/components/peripherals/src/proximity.c
index 56266da..98cf837 100644
--- a/components/peripherals/src/proximity.c
+++ b/components/peripherals/src/proximity.c
@@ -11,7 +11,7 @@ void proximity_init(void)
     if (board_config.proximity) {
         adc_oneshot_chan_cfg_t config = {
             .bitwidth = ADC_BITWIDTH_DEFAULT,
-            .atten = ADC_ATTEN_DB_11
+            .atten = ADC_ATTEN_DB_12
         };
         ESP_ERROR_CHECK(adc_oneshot_config_channel(adc_handle, board_config.proximity_adc_channel, &config));
     }
diff --git a/components/protocols/CMakeLists.txt b/components/protocols/CMakeLists.txt
index 747d5fd..93ca4f4 100644
--- a/components/protocols/CMakeLists.txt
+++ b/components/protocols/CMakeLists.txt
@@ -9,8 +9,7 @@ set(srcs
     "src/scheduler.c")
 
 set(embed_files
-    "web.cpio"
-    "server_certs/ca_cert.pem")
+    "web.cpio")
 
 idf_component_register(SRCS "${srcs}"
                     INCLUDE_DIRS "include"
diff --git a/components/protocols/server_certs/ca_cert.pem b/components/protocols/server_certs/ca_cert.pem
deleted file mode 100644
index 57ba02c..0000000
--- a/components/protocols/server_certs/ca_cert.pem
+++ /dev/null
@@ -1,22 +0,0 @@
------BEGIN CERTIFICATE-----
-MIIDrzCCApegAwIBAgIQCDvgVpBCRrGhdWrJWZHHSjANBgkqhkiG9w0BAQUFADBh
-MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3
-d3cuZGlnaWNlcnQuY29tMSAwHgYDVQQDExdEaWdpQ2VydCBHbG9iYWwgUm9vdCBD
-QTAeFw0wNjExMTAwMDAwMDBaFw0zMTExMTAwMDAwMDBaMGExCzAJBgNVBAYTAlVT
-MRUwEwYDVQQKEwxEaWdpQ2VydCBJbmMxGTAXBgNVBAsTEHd3dy5kaWdpY2VydC5j
-b20xIDAeBgNVBAMTF0RpZ2lDZXJ0IEdsb2JhbCBSb290IENBMIIBIjANBgkqhkiG
-9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4jvhEXLeqKTTo1eqUKKPC3eQyaKl7hLOllsB
-CSDMAZOnTjC3U/dDxGkAV53ijSLdhwZAAIEJzs4bg7/fzTtxRuLWZscFs3YnFo97
-nh6Vfe63SKMI2tavegw5BmV/Sl0fvBf4q77uKNd0f3p4mVmFaG5cIzJLv07A6Fpt
-43C/dxC//AH2hdmoRBBYMql1GNXRor5H4idq9Joz+EkIYIvUX7Q6hL+hqkpMfT7P
-T19sdl6gSzeRntwi5m3OFBqOasv+zbMUZBfHWymeMr/y7vrTC0LUq7dBMtoM1O/4
-gdW7jVg/tRvoSSiicNoxBN33shbyTApOB6jtSj1etX+jkMOvJwIDAQABo2MwYTAO
-BgNVHQ8BAf8EBAMCAYYwDwYDVR0TAQH/BAUwAwEB/zAdBgNVHQ4EFgQUA95QNVbR
-TLtm8KPiGxvDl7I90VUwHwYDVR0jBBgwFoAUA95QNVbRTLtm8KPiGxvDl7I90VUw
-DQYJKoZIhvcNAQEFBQADggEBAMucN6pIExIK+t1EnE9SsPTfrgT1eXkIoyQY/Esr
-hMAtudXH/vTBH1jLuG2cenTnmCmrEbXjcKChzUyImZOMkXDiqw8cvpOp/2PV5Adg
-06O/nVsJ8dWO41P0jmP6P6fbtGbfYmbW0W5BjfIttep3Sp+dWOIrWcBAI+0tKIJF
-PnlUkiaY4IBIqDfv8NZ5YBberOgOzW6sRBc4L0na4UU+Krk2U886UAb3LujEV0ls
-YSEY1QSteDwsOoBrp+uvFRTp2InBuThs4pFsiv9kuXclVzDAGySj4dzp30d8tbQk
-CAUw7C29C79Fv1C5qfPrmAESrciIxpg0X40KPMbp1ZWVbd4=
------END CERTIFICATE-----
\ No newline at end of file
diff --git a/components/protocols/src/http_rest.c b/components/protocols/src/http_rest.c
index 569a5a5..5103cfc 100644
--- a/components/protocols/src/http_rest.c
+++ b/components/protocols/src/http_rest.c
@@ -9,6 +9,7 @@
 #include "esp_ota_ops.h"
 #include "esp_https_ota.h"
 #include "esp_vfs.h"
+#include "esp_crt_bundle.h"
 #include "cJSON.h"
 
 #include "http_rest.h"
@@ -29,9 +30,6 @@
 
 static const char* TAG = "http_rest";
 
-extern const char server_cert_pem_start[] asm("_binary_ca_cert_pem_start");
-extern const char server_cert_pem_end[] asm("_binary_ca_cert_pem_end");
-
 static void restart_func(void* arg)
 {
     vTaskDelay(pdMS_TO_TICKS(5000));
@@ -104,7 +102,7 @@ static esp_err_t ota_get_available_version(char* version)
 {
     esp_http_client_config_t config = {
         .url = OTA_VERSION_URL,
-        .cert_pem = server_cert_pem_start
+        .crt_bundle_attach = esp_crt_bundle_attach
     };
 
     esp_http_client_handle_t client = esp_http_client_init(&config);
@@ -377,11 +375,9 @@ esp_err_t firmware_update_post_handler(httpd_req_t* req)
             const esp_app_desc_t* app_desc = esp_app_get_description();
 
             if (ota_is_newer_version(app_desc->version, avl_version)) {
-                extern const char server_cert_pem_start[] asm("_binary_ca_cert_pem_start");
-
                 esp_http_client_config_t http_config = {
                     .url = OTA_FIRMWARE_URL CONFIG_IDF_TARGET "-evse.bin",
-                    .cert_pem = server_cert_pem_start
+                    .crt_bundle_attach = esp_crt_bundle_attach
                 };
 
                 esp_https_ota_config_t config = {