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diff --git a/shared-bindings/nativeio/AnalogIn.c b/shared-bindings/nativeio/AnalogIn.c
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+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2013, 2014 Damien P. George
+ *
+ * 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.
+ */
+
+#include <string.h>
+
+#include "py/binary.h"
+#include "py/mphal.h"
+#include "py/nlr.h"
+#include "py/objproperty.h"
+#include "py/runtime.h"
+#include "shared-bindings/nativeio/AnalogIn.h"
+
+//| .. currentmodule:: nativeio
+//|
+//| :class:`AnalogIn` -- read analog voltage
+//| ============================================
+//|
+//| Usage::
+//|
+//|    import nativeio
+//|    from board import *
+//|
+//|    with nativeio.AnalogIn(A1) as adc:
+//|      val = adc.value
+//|
+
+//| .. class:: AnalogIn(pin)
+//|
+//|   Use the AnalogIn on the given pin.
+//|
+//|   :param ~microcontroller.Pin pin: the pin to read from
+//|
+STATIC mp_obj_t nativeio_analogin_make_new(const mp_obj_type_t *type,
+        mp_uint_t n_args, mp_uint_t n_kw, const mp_obj_t *args) {
+    // check number of arguments
+    mp_arg_check_num(n_args, n_kw, 1, 1, false);
+
+    // 1st argument is the pin
+    mp_obj_t pin_obj = args[0];
+
+    nativeio_analogin_obj_t *self = m_new_obj(nativeio_analogin_obj_t);
+    self->base.type = &nativeio_analogin_type;
+    const mcu_pin_obj_t *pin = MP_OBJ_TO_PTR(pin_obj);
+    common_hal_nativeio_analogin_construct(self, pin);
+
+    return (mp_obj_t) self;
+}
+
+//|   .. attribute:: value
+//|
+//|     Read the value on the analog pin and return it.  The returned value
+//|     will be between 0 and 65535 inclusive (16-bit). Even if the underlying
+//|     analog to digital converter (ADC) is lower resolution, the result will
+//|     be scaled to be 16-bit.
+//|
+//|     :return: the data read
+//|     :rtype: int
+//|
+STATIC mp_obj_t nativeio_analogin_obj_get_value(mp_obj_t self_in) {
+   nativeio_analogin_obj_t *self = MP_OBJ_TO_PTR(self_in);
+   return MP_OBJ_NEW_SMALL_INT(common_hal_nativeio_analogin_get_value(self));
+}
+MP_DEFINE_CONST_FUN_OBJ_1(nativeio_analogin_get_value_obj, nativeio_analogin_obj_get_value);
+
+mp_obj_property_t nativeio_analogin_value_obj = {
+    .base.type = &mp_type_property,
+    .proxy = {(mp_obj_t)&nativeio_analogin_get_value_obj,
+              (mp_obj_t)&mp_const_none_obj,
+              (mp_obj_t)&mp_const_none_obj},
+};
+
+STATIC const mp_rom_map_elem_t nativeio_analogin_locals_dict_table[] = {
+    { MP_OBJ_NEW_QSTR(MP_QSTR_value), MP_ROM_PTR(&nativeio_analogin_value_obj)},
+};
+
+STATIC MP_DEFINE_CONST_DICT(nativeio_analogin_locals_dict, nativeio_analogin_locals_dict_table);
+
+const mp_obj_type_t nativeio_analogin_type = {
+    { &mp_type_type },
+    .name = MP_QSTR_AnalogIn,
+    .make_new = nativeio_analogin_make_new,
+    .locals_dict = (mp_obj_t)&nativeio_analogin_locals_dict,
+};