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diff --git a/circuitpython/shared-bindings/touchio/TouchIn.c b/circuitpython/shared-bindings/touchio/TouchIn.c
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+++ b/circuitpython/shared-bindings/touchio/TouchIn.c
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+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * SPDX-FileCopyrightText: 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 <stdint.h>
+#include <string.h>
+
+#include "shared/runtime/context_manager_helpers.h"
+#include "py/binary.h"
+#include "py/mphal.h"
+#include "py/nlr.h"
+#include "py/objproperty.h"
+#include "py/runtime.h"
+#include "shared-bindings/microcontroller/Pin.h"
+#include "shared-bindings/touchio/TouchIn.h"
+#include "shared-bindings/util.h"
+#include "supervisor/shared/translate.h"
+
+//| class TouchIn:
+//|     """Read the state of a capacitive touch sensor
+//|
+//|     Usage::
+//|
+//|        import touchio
+//|        from board import *
+//|
+//|        touch = touchio.TouchIn(A1)
+//|        while True:
+//|            if touch.value:
+//|                print("touched!")"""
+//|
+
+//|     def __init__(self, pin: microcontroller.Pin) -> None:
+//|         """Use the TouchIn on the given pin.
+//|
+//|         :param ~microcontroller.Pin pin: the pin to read from"""
+//|         ...
+//|
+STATIC mp_obj_t touchio_touchin_make_new(const mp_obj_type_t *type,
+    size_t n_args, size_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
+    const mcu_pin_obj_t *pin = validate_obj_is_free_pin(args[0]);
+
+    touchio_touchin_obj_t *self = m_new_obj(touchio_touchin_obj_t);
+    self->base.type = &touchio_touchin_type;
+    common_hal_touchio_touchin_construct(self, pin);
+
+    return (mp_obj_t)self;
+}
+
+//|     def deinit(self) -> None:
+//|         """Deinitialises the TouchIn and releases any hardware resources for reuse."""
+//|         ...
+//|
+STATIC mp_obj_t touchio_touchin_deinit(mp_obj_t self_in) {
+    touchio_touchin_obj_t *self = MP_OBJ_TO_PTR(self_in);
+    common_hal_touchio_touchin_deinit(self);
+    return mp_const_none;
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_1(touchio_touchin_deinit_obj, touchio_touchin_deinit);
+
+STATIC void check_for_deinit(touchio_touchin_obj_t *self) {
+    if (common_hal_touchio_touchin_deinited(self)) {
+        raise_deinited_error();
+    }
+}
+
+//|     def __enter__(self) -> TouchIn:
+//|         """No-op used by Context Managers."""
+//|         ...
+//|
+//  Provided by context manager helper.
+
+//|     def __exit__(self) -> None:
+//|         """Automatically deinitializes the hardware when exiting a context. See
+//|         :ref:`lifetime-and-contextmanagers` for more info."""
+//|         ...
+//|
+STATIC mp_obj_t touchio_touchin_obj___exit__(size_t n_args, const mp_obj_t *args) {
+    (void)n_args;
+    common_hal_touchio_touchin_deinit(args[0]);
+    return mp_const_none;
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(touchio_touchin___exit___obj, 4, 4, touchio_touchin_obj___exit__);
+
+//|     value: bool
+//|     """Whether the touch pad is being touched or not. (read-only)
+//|
+//|     True when `raw_value` > `threshold`."""
+//|
+STATIC mp_obj_t touchio_touchin_obj_get_value(mp_obj_t self_in) {
+    touchio_touchin_obj_t *self = MP_OBJ_TO_PTR(self_in);
+    check_for_deinit(self);
+    return mp_obj_new_bool(common_hal_touchio_touchin_get_value(self));
+}
+MP_DEFINE_CONST_FUN_OBJ_1(touchio_touchin_get_value_obj, touchio_touchin_obj_get_value);
+
+MP_PROPERTY_GETTER(touchio_touchin_value_obj,
+    (mp_obj_t)&touchio_touchin_get_value_obj);
+
+
+//|     raw_value: int
+//|     """The raw touch measurement as an `int`. (read-only)"""
+//|
+STATIC mp_obj_t touchio_touchin_obj_get_raw_value(mp_obj_t self_in) {
+    touchio_touchin_obj_t *self = MP_OBJ_TO_PTR(self_in);
+    check_for_deinit(self);
+    return MP_OBJ_NEW_SMALL_INT(common_hal_touchio_touchin_get_raw_value(self));
+}
+
+MP_DEFINE_CONST_FUN_OBJ_1(touchio_touchin_get_raw_value_obj, touchio_touchin_obj_get_raw_value);
+
+MP_PROPERTY_GETTER(touchio_touchin_raw_value_obj,
+    (mp_obj_t)&touchio_touchin_get_raw_value_obj);
+
+
+//|     threshold: Optional[int]
+//|     """Minimum `raw_value` needed to detect a touch (and for `value` to be `True`).
+//|
+//|     When the **TouchIn** object is created, an initial `raw_value` is read from the pin,
+//|     and then `threshold` is set to be 100 + that value.
+//|
+//|     You can adjust `threshold` to make the pin more or less sensitive::
+//|
+//|       import board
+//|       import touchio
+//|
+//|       touch = touchio.TouchIn(board.A1)
+//|       touch.threshold = 7300"""
+//|
+STATIC mp_obj_t touchio_touchin_obj_get_threshold(mp_obj_t self_in) {
+    touchio_touchin_obj_t *self = MP_OBJ_TO_PTR(self_in);
+    check_for_deinit(self);
+    return MP_OBJ_NEW_SMALL_INT(common_hal_touchio_touchin_get_threshold(self));
+}
+
+MP_DEFINE_CONST_FUN_OBJ_1(touchio_touchin_get_threshold_obj, touchio_touchin_obj_get_threshold);
+
+STATIC mp_obj_t touchio_touchin_obj_set_threshold(mp_obj_t self_in, mp_obj_t threshold_obj) {
+    touchio_touchin_obj_t *self = MP_OBJ_TO_PTR(self_in);
+    check_for_deinit(self);
+    uint32_t new_threshold = mp_obj_get_int(threshold_obj);
+    if (new_threshold < 0 || new_threshold > UINT16_MAX) {
+        // I would use MP_STRINGIFY(UINT16_MAX), but that prints "0xffff" instead of 65536.
+        mp_raise_ValueError(translate("threshold must be in the range 0-65536"));
+    }
+    common_hal_touchio_touchin_set_threshold(self, new_threshold);
+    return mp_const_none;
+}
+
+MP_DEFINE_CONST_FUN_OBJ_2(touchio_touchin_set_threshold_obj, touchio_touchin_obj_set_threshold);
+
+MP_PROPERTY_GETSET(touchio_touchin_threshold_obj,
+    (mp_obj_t)&touchio_touchin_get_threshold_obj,
+    (mp_obj_t)&touchio_touchin_set_threshold_obj);
+
+
+STATIC const mp_rom_map_elem_t touchio_touchin_locals_dict_table[] = {
+    { MP_ROM_QSTR(MP_QSTR___enter__), MP_ROM_PTR(&default___enter___obj) },
+    { MP_ROM_QSTR(MP_QSTR___exit__), MP_ROM_PTR(&touchio_touchin___exit___obj) },
+    { MP_ROM_QSTR(MP_QSTR_deinit), MP_ROM_PTR(&touchio_touchin_deinit_obj) },
+
+    { MP_OBJ_NEW_QSTR(MP_QSTR_value), MP_ROM_PTR(&touchio_touchin_value_obj)},
+    { MP_OBJ_NEW_QSTR(MP_QSTR_raw_value), MP_ROM_PTR(&touchio_touchin_raw_value_obj)},
+    { MP_OBJ_NEW_QSTR(MP_QSTR_threshold), MP_ROM_PTR(&touchio_touchin_threshold_obj)},
+};
+
+STATIC MP_DEFINE_CONST_DICT(touchio_touchin_locals_dict, touchio_touchin_locals_dict_table);
+
+const mp_obj_type_t touchio_touchin_type = {
+    { &mp_type_type },
+    .name = MP_QSTR_TouchIn,
+    .make_new = touchio_touchin_make_new,
+    .locals_dict = (mp_obj_t)&touchio_touchin_locals_dict,
+};