diff --git a/ports/esp32/esp_error.c b/ports/esp32/esp_error.c
new file mode 100755
index 0000000000000..23a9870628526
--- /dev/null
+++ b/ports/esp32/esp_error.c
@@ -0,0 +1,148 @@
+/*
+ * This file was generated by micropython-extmod-generator https://github.com/prusnak/micropython-extmod-generator
+ * from Python stab file esp_err.py
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020 Ihor Nehrutsa
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+/*
+Error Codes and Helper Functions
+https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/system/esp_err.html
+
+Wrapped around
+https://github.com/espressif/esp-idf/blob/master/components/esp_common/include/esp_err.h
+*/
+
+#define MODULE_ESP_ERR_ENABLED (1)
+#if MODULE_ESP_ERR_ENABLED
+
+// Include required definitions first
+#include "py/obj.h"
+#include "py/objexcept.h"
+
+
+/*
+// Example how to raise ESP exception from C code
+
+#include "esp_error.h"
+
+ESP_EXCEPTIONS(pcnt_event_disable(self->unit, evt_type))
+
+// is equivalent to
+
+esp_err_t err = pcnt_event_disable(self->unit, evt_type);
+if (err != ESP_OK)
+    mp_raise_EspError(err);
+*/
+
+// Defining classes
+// class EspError(Exception):
+typedef struct _mp_obj_esp_err_EspError_t {
+    mp_obj_base_t base;
+} mp_obj_esp_err_EspError_t;
+
+const mp_obj_type_t mp_type_EspError;
+/*
+// Defining EspError methods
+// def EspError.__init__(self, error_code: int=0, error_msg: str='')
+STATIC mp_obj_t esp_err_EspError_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *args) {
+    mp_arg_check_num(n_args, n_kw, 0, 2, false);
+    self->base.type = &mp_type_EspError;
+
+	mp_obj_esp_err_EspError_t *self = MP_OBJ_TO_PTR(args[0]);
+	mp_int_t error_code = mp_obj_get_int(args[1]);
+	const char* error_msg = mp_obj_str_get_str(args[2]);
+
+	//TODO: Your code here
+    return MP_OBJ_FROM_PTR(self);
+}
+*/
+/*
+STATIC mp_obj_t esp_err_EspError_print(const mp_print_t *print, mp_obj_t self_obj, mp_print_kind_t kind) {
+    esp_err_EspError_obj_t *self = MP_OBJ_TO_PTR(self_obj);
+    mp_printf(print, "EspError()");
+
+	//TODO: Your code here
+}
+*/
+
+STATIC mp_obj_t esp_err_EspError_esp_err_to_name(mp_obj_t self_obj, mp_obj_t err_obj) {
+    // mp_obj_esp_err_EspError_t *self = MP_OBJ_TO_PTR(self_obj);
+    mp_int_t err = mp_obj_get_int(err_obj);
+
+    const char *s = esp_err_to_name(err);
+
+    return mp_obj_new_str(s, strlen(s));
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_2(esp_err_EspError_esp_err_to_name_obj, esp_err_EspError_esp_err_to_name);
+
+// EspError stuff
+// Register class methods
+STATIC const mp_rom_map_elem_t esp_err_EspError_locals_dict_table[] = {
+    // { MP_ROM_QSTR(MP_QSTR_ESP_ERR_FLASH_BASE), MP_ROM_INT(ESP_ERR_FLASH_BASE) },
+    { MP_ROM_QSTR(MP_QSTR_ESP_ERR_INVALID_ARG), MP_ROM_INT(ESP_ERR_INVALID_ARG) },
+    { MP_ROM_QSTR(MP_QSTR_ESP_ERR_INVALID_CRC), MP_ROM_INT(ESP_ERR_INVALID_CRC) },
+    { MP_ROM_QSTR(MP_QSTR_ESP_ERR_INVALID_MAC), MP_ROM_INT(ESP_ERR_INVALID_MAC) },
+    { MP_ROM_QSTR(MP_QSTR_ESP_ERR_INVALID_RESPONSE), MP_ROM_INT(ESP_ERR_INVALID_RESPONSE) },
+    { MP_ROM_QSTR(MP_QSTR_ESP_ERR_INVALID_SIZE), MP_ROM_INT(ESP_ERR_INVALID_SIZE) },
+    { MP_ROM_QSTR(MP_QSTR_ESP_ERR_INVALID_STATE), MP_ROM_INT(ESP_ERR_INVALID_STATE) },
+    { MP_ROM_QSTR(MP_QSTR_ESP_ERR_INVALID_VERSION), MP_ROM_INT(ESP_ERR_INVALID_VERSION) },
+    { MP_ROM_QSTR(MP_QSTR_ESP_ERR_MESH_BASE), MP_ROM_INT(ESP_ERR_MESH_BASE) },
+    { MP_ROM_QSTR(MP_QSTR_ESP_ERR_NOT_FOUND), MP_ROM_INT(ESP_ERR_NOT_FOUND) },
+    { MP_ROM_QSTR(MP_QSTR_ESP_ERR_NOT_SUPPORTED), MP_ROM_INT(ESP_ERR_NOT_SUPPORTED) },
+    { MP_ROM_QSTR(MP_QSTR_ESP_ERR_NO_MEM), MP_ROM_INT(ESP_ERR_NO_MEM) },
+    { MP_ROM_QSTR(MP_QSTR_ESP_ERR_TIMEOUT), MP_ROM_INT(ESP_ERR_TIMEOUT) },
+    { MP_ROM_QSTR(MP_QSTR_ESP_ERR_WIFI_BASE), MP_ROM_INT(ESP_ERR_WIFI_BASE) },
+    { MP_ROM_QSTR(MP_QSTR_ESP_FAIL), MP_ROM_INT(ESP_FAIL) },
+    { MP_ROM_QSTR(MP_QSTR_ESP_OK), MP_ROM_INT(ESP_OK) },
+    { MP_ROM_QSTR(MP_QSTR_err_to_name), MP_ROM_PTR(&esp_err_EspError_esp_err_to_name_obj) }, \
+};
+STATIC MP_DEFINE_CONST_DICT(esp_err_EspError_locals_dict, esp_err_EspError_locals_dict_table);
+
+// Create the class-object itself
+const mp_obj_type_t mp_type_EspError = {
+    { &mp_type_type },
+    .name = MP_QSTR_EspError,
+
+    // .make_new = esp_err_EspError_make_new,
+    // .print = esp_err_EspError_print,
+    .locals_dict = (mp_obj_dict_t *)&esp_err_EspError_locals_dict,
+
+    .print = mp_obj_exception_print,
+    .make_new = mp_obj_exception_make_new,
+    .attr = mp_obj_exception_attr,
+    .parent = &mp_type_Exception,
+};
+
+/*
+// To call from C modules use like:
+    mp_raise_msg_varg(&mp_type_EspError, MP_ERROR_TEXT("An error message %d"), val);
+*/
+/*
+// Function to call from C modules
+NORETURN void mp_raise_EspError(mp_rom_error_text_t msg) {
+    mp_raise_msg(&mp_type_EspError, msg);
+}
+*/
+
+#endif // MODULE_ESP_ERR_ENABLED
diff --git a/ports/esp32/esp_error.h b/ports/esp32/esp_error.h
new file mode 100755
index 0000000000000..2c5ab985dadb4
--- /dev/null
+++ b/ports/esp32/esp_error.h
@@ -0,0 +1,39 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020 Ihor Nehrutsa
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#ifndef MICROPY_INCLUDED_ESP_ERROR_H
+#define MICROPY_INCLUDED_ESP_ERROR_H
+
+#define mp_raise_EspError(e) mp_raise_msg_varg(&mp_type_EspError, MP_ERROR_TEXT("%d(0x%X) - %s"), e, e, esp_err_to_name(e));
+
+static inline void esp_exceptions(esp_err_t e) {
+    if (e != ESP_OK) {
+        mp_raise_EspError(e)
+    }
+}
+
+#define ESP_EXCEPTIONS(e) do { esp_exceptions(e); } while (0);
+
+#endif // MICROPY_INCLUDED_ESP_ERROR_H
diff --git a/ports/esp32/mpconfigport.h b/ports/esp32/mpconfigport.h
index a06c910470192..5a8e6e4632e26 100644
--- a/ports/esp32/mpconfigport.h
+++ b/ports/esp32/mpconfigport.h
@@ -184,6 +184,7 @@
 
 // extra built in names to add to the global namespace
 #define MICROPY_PORT_BUILTINS \
+    { MP_ROM_QSTR(MP_QSTR_EspError), MP_ROM_PTR(&mp_type_EspError) }, \
     { MP_OBJ_NEW_QSTR(MP_QSTR_input), (mp_obj_t)&mp_builtin_input_obj }, \
     { MP_OBJ_NEW_QSTR(MP_QSTR_open), (mp_obj_t)&mp_builtin_open_obj },
 
diff --git a/py/obj.h b/py/obj.h
index 86e5d83125cb5..691cc615b730c 100644
--- a/py/obj.h
+++ b/py/obj.h
@@ -666,6 +666,7 @@ extern const mp_obj_type_t mp_type_UnicodeError;
 extern const mp_obj_type_t mp_type_ValueError;
 extern const mp_obj_type_t mp_type_ViperTypeError;
 extern const mp_obj_type_t mp_type_ZeroDivisionError;
+extern const mp_obj_type_t mp_type_EspError; // it used in ESP32 port only, not visible in other ports // ESP8266-???
 
 // Constant objects, globally accessible: None, False, True
 // These should always be accessed via the below macros.