diff --git a/locale/circuitpython.pot b/locale/circuitpython.pot
index 54a9a072bd6d1..2afcf0c45987c 100644
--- a/locale/circuitpython.pot
+++ b/locale/circuitpython.pot
@@ -1084,10 +1084,6 @@ msgstr ""
 msgid "I2SOut not available"
 msgstr ""
 
-#: ports/esp32s2/common-hal/alarm/pin/__init__.c
-msgid "IOs 0, 2 & 4 do not support internal pullup in sleep"
-msgstr ""
-
 #: shared-bindings/aesio/aes.c
 #, c-format
 msgid "IV must be %d bytes long"
@@ -1601,6 +1597,7 @@ msgstr ""
 msgid "Not a valid IP string"
 msgstr ""
 
+#: ports/nrf/common-hal/_bleio/PacketBuffer.c
 #: ports/nrf/common-hal/_bleio/__init__.c
 #: shared-bindings/_bleio/CharacteristicBuffer.c
 msgid "Not connected"
@@ -2563,6 +2560,10 @@ msgstr ""
 msgid "can only have up to 4 parameters to Xtensa assembly"
 msgstr ""
 
+#: shared-bindings/capsuleio/__init__.c
+msgid "can only save a string or None in the time capsule"
+msgstr ""
+
 #: py/persistentcode.c
 msgid "can only save bytecode"
 msgstr ""
@@ -3253,10 +3254,6 @@ msgstr ""
 msgid "invalid syntax for number"
 msgstr ""
 
-#: ports/esp32s2/common-hal/alarm/pin/__init__.c
-msgid "io must be rtc io"
-msgstr ""
-
 #: py/objtype.c
 msgid "issubclass() arg 1 must be a class"
 msgstr ""
@@ -3716,6 +3713,7 @@ msgstr ""
 #: ports/esp32s2/boards/adafruit_funhouse/mpconfigboard.h
 #: ports/esp32s2/boards/adafruit_magtag_2.9_grayscale/mpconfigboard.h
 #: ports/esp32s2/boards/adafruit_metro_esp32s2/mpconfigboard.h
+#: ports/esp32s2/boards/artisense_rd00/mpconfigboard.h
 #: ports/esp32s2/boards/electroniccats_bastwifi/mpconfigboard.h
 #: ports/esp32s2/boards/espressif_kaluga_1/mpconfigboard.h
 #: ports/esp32s2/boards/espressif_saola_1_wroom/mpconfigboard.h
@@ -3989,6 +3987,10 @@ msgstr ""
 msgid "tobytes can be invoked for dense arrays only"
 msgstr ""
 
+#: shared-bindings/capsuleio/__init__.c
+msgid "too long to store in time capsule"
+msgstr ""
+
 #: shared-module/struct/__init__.c
 msgid "too many arguments provided with the given format"
 msgstr ""
@@ -4014,10 +4016,6 @@ msgstr ""
 msgid "trapz is defined for 1D arrays of equal length"
 msgstr ""
 
-#: ports/esp32s2/common-hal/alarm/pin/__init__.c
-msgid "trigger level must be 0 or 1"
-msgstr ""
-
 #: py/obj.c
 msgid "tuple/list has wrong length"
 msgstr ""
@@ -4152,10 +4150,6 @@ msgstr ""
 msgid "value_count must be > 0"
 msgstr ""
 
-#: ports/esp32s2/common-hal/alarm/pin/__init__.c
-msgid "wakeup conflict"
-msgstr ""
-
 #: ports/esp32s2/common-hal/watchdog/WatchDogTimer.c
 msgid "watchdog not initialized"
 msgstr ""
diff --git a/locale/es.po b/locale/es.po
index dca1a5a216b7d..bbbbd5ad4e454 100644
--- a/locale/es.po
+++ b/locale/es.po
@@ -1436,6 +1436,12 @@ msgstr "Valor máximo de x cuando se refleja es %d"
 msgid "Messages limited to 8 bytes"
 msgstr "Mensajes limitados a 8 bytes"
 
+#: shared-bindings/capsuleio/__init__.c
+msgid "too long to store in time capsule"
+msgstr "demasiado largo para poner en la cápsula del tiempo"
+msgid "can only save a string or None in the time capsule"
+msgstr "sólo puedes guardar None o cadenas"
+
 #: shared-bindings/audiobusio/PDMIn.c
 msgid "Microphone startup delay must be in range 0.0 to 1.0"
 msgstr "Micrófono demora de inicio debe estar en el rango 0.0 a 1.0"
diff --git a/ports/nrf/mpconfigport.mk b/ports/nrf/mpconfigport.mk
index 544be70be4a91..d02fd70b611ef 100644
--- a/ports/nrf/mpconfigport.mk
+++ b/ports/nrf/mpconfigport.mk
@@ -46,6 +46,8 @@ CIRCUITPY_FRAMEBUFFERIO ?= 1
 CIRCUITPY_COUNTIO = 0
 CIRCUITPY_WATCHDOG ?= 1
 
+CIRCUITPY_CAPSULEIO ?= 1
+
 # nRF52840-specific
 
 ifeq ($(MCU_CHIP),nrf52840)
diff --git a/py/circuitpy_defns.mk b/py/circuitpy_defns.mk
index 0eedfe5249e22..be2dd4edba484 100644
--- a/py/circuitpy_defns.mk
+++ b/py/circuitpy_defns.mk
@@ -163,6 +163,9 @@ endif
 ifeq ($(CIRCUITPY_CANIO),1)
 SRC_PATTERNS += canio/%
 endif
+ifeq ($(CIRCUITPY_CAPSULEIO),1)
+SRC_PATTERNS += capsuleio/%
+endif
 ifeq ($(CIRCUITPY_COUNTIO),1)
 SRC_PATTERNS += countio/%
 endif
@@ -485,6 +488,7 @@ SRC_SHARED_MODULE_ALL = \
 	canio/Match.c \
 	canio/Message.c \
 	canio/RemoteTransmissionRequest.c \
+	capsuleio/__init__.c \
 	displayio/Bitmap.c \
 	displayio/ColorConverter.c \
 	displayio/Display.c \
diff --git a/py/circuitpy_mpconfig.h b/py/circuitpy_mpconfig.h
index eedda7ad73ec8..9624d8b33141c 100644
--- a/py/circuitpy_mpconfig.h
+++ b/py/circuitpy_mpconfig.h
@@ -377,6 +377,13 @@ extern const struct _mp_obj_module_t canio_module;
 #define CANIO_MODULE
 #endif
 
+#if CIRCUITPY_CAPSULEIO
+extern const struct _mp_obj_module_t capsuleio_module;
+#define CAPSULEIO_MODULE       { MP_OBJ_NEW_QSTR(MP_QSTR_capsuleio), (mp_obj_t)&capsuleio_module },
+#else
+#define CAPSULEIO_MODULE
+#endif
+
 #if CIRCUITPY_COUNTIO
 extern const struct _mp_obj_module_t countio_module;
 #define COUNTIO_MODULE        { MP_OBJ_NEW_QSTR(MP_QSTR_countio), (mp_obj_t)&countio_module },
@@ -850,6 +857,7 @@ extern const struct _mp_obj_module_t msgpack_module;
     BUSIO_MODULE \
     CAMERA_MODULE \
     CANIO_MODULE \
+    CAPSULEIO_MODULE\
     COUNTIO_MODULE \
     DIGITALIO_MODULE \
     DISPLAYIO_MODULE \
diff --git a/py/circuitpy_mpconfig.mk b/py/circuitpy_mpconfig.mk
index 51b590dcf30ed..082719cc493de 100644
--- a/py/circuitpy_mpconfig.mk
+++ b/py/circuitpy_mpconfig.mk
@@ -127,6 +127,9 @@ CFLAGS += -DCIRCUITPY_CAMERA=$(CIRCUITPY_CAMERA)
 CIRCUITPY_CANIO ?= 0
 CFLAGS += -DCIRCUITPY_CANIO=$(CIRCUITPY_CANIO)
 
+CIRCUITPY_CAPSULEIO ?= 1
+CFLAGS += -DCIRCUITPY_CAPSULEIO=$(CIRCUITPY_CAPSULEIO)
+
 CIRCUITPY_DIGITALIO ?= 1
 CFLAGS += -DCIRCUITPY_DIGITALIO=$(CIRCUITPY_DIGITALIO)
 
diff --git a/shared-bindings/capsuleio/__init__.c b/shared-bindings/capsuleio/__init__.c
new file mode 100644
index 0000000000000..667b268f3cc38
--- /dev/null
+++ b/shared-bindings/capsuleio/__init__.c
@@ -0,0 +1,65 @@
+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2021 Jonah Yolles-Murphy (TG-Techie)
+ *
+ * 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.
+ */
+
+// TODO: add description of module
+
+#include "py/objstr.h"
+#include "py/runtime.h"
+#include "shared-bindings/capsuleio/__init__.h"
+
+// for now only string and none can be saved. in the future it may be tuples, floats, ints (maybe)
+STATIC mp_obj_t capsule_bury(mp_obj_t obj) {
+    capsule_result_t result = capsuleio_bury_obj(obj);
+    switch (result) {
+        case CAPSULEIO_STRING_TO_LONG:
+            mp_raise_ValueError(translate("too long to store in time capsule"));
+            break; // is this needed? the above is noreturn
+        case CAPSULEIO_TYPE_CANNOT_BE_BURIED:
+            mp_raise_TypeError(translate("can only save a string or None in the time capsule"));
+            break; // is this needed? the above is noreturn
+        case CAPSULEIO_OK:
+        default:
+            return mp_const_none;
+    }
+}
+
+MP_DEFINE_CONST_FUN_OBJ_1(capsuleio_bury_fnobj, capsule_bury);
+// this function requires no runtime wrapper
+MP_DEFINE_CONST_FUN_OBJ_0(capsuleio_unearth_fnobj, capsuleio_unearth_new_obj);
+
+STATIC const mp_rom_map_elem_t mp_module_capsuleio_globals_table[] = {
+    { MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_capsuleio) },
+    { MP_ROM_QSTR(MP_QSTR_bury), MP_ROM_PTR(&capsuleio_bury_fnobj) },
+    { MP_ROM_QSTR(MP_QSTR_unearth), MP_ROM_PTR(&capsuleio_unearth_fnobj) },
+};
+
+STATIC MP_DEFINE_CONST_DICT(mp_module_capsuleio_globals, mp_module_capsuleio_globals_table);
+
+
+const mp_obj_module_t capsuleio_module = {
+    .base = { &mp_type_module },
+    .globals = (mp_obj_dict_t *)&mp_module_capsuleio_globals,
+};
diff --git a/shared-bindings/capsuleio/__init__.h b/shared-bindings/capsuleio/__init__.h
new file mode 100644
index 0000000000000..76227d99de6c4
--- /dev/null
+++ b/shared-bindings/capsuleio/__init__.h
@@ -0,0 +1,33 @@
+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2021 Jonah Yolles-Murphy (TG-Techie)
+ *
+ * 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_SHARED_BINDINGS_CAPSULEIO_H
+#define MICROPY_INCLUDED_SHARED_BINDINGS_CAPSULEIO_H
+
+#include "shared-module/capsuleio/__init__.h"
+
+
+#endif // MICROPY_INCLUDED_SHARED_BINDINGS_CAPSULEIO_H
diff --git a/shared-module/capsuleio/__init__.c b/shared-module/capsuleio/__init__.c
new file mode 100644
index 0000000000000..450c34855a8ee
--- /dev/null
+++ b/shared-module/capsuleio/__init__.c
@@ -0,0 +1,87 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2021 Jonah Yolles-Murphy (TG-Techie)
+ *
+ * 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 "shared-bindings/capsuleio/__init__.h"
+#include "py/objstr.h"
+#include <string.h>
+
+
+// the time capsule memory reservation
+capsuleio_capsule_t capsuleio_capsule;
+
+STATIC bool capsuleio_bury_string(const byte *data, size_t length) {
+    // the only fail mode is the string is too long
+    // make sure the data will fit
+    if (length > CIRCUITPY_CAPSULEIO_AMOUNT_BYTES) {
+        return false;
+    } else {
+        // set the type of the data stored
+        capsuleio_capsule.kind = CAPSULEIO_STRING;
+        // copy the string data in
+        memcpy(&capsuleio_capsule.data, data, length);
+        // write the null byte
+        capsuleio_capsule.data[length] = 0;
+        return true;
+    }
+}
+
+STATIC void capsuleio_bury_none(void) {
+    capsuleio_capsule.kind = CAPSULEIO_NONE;
+    memset(&capsuleio_capsule.data, 0, CIRCUITPY_CAPSULEIO_AMOUNT_BYTES);
+    return;
+}
+
+mp_obj_t capsuleio_unearth_new_obj(void) {
+    switch (capsuleio_capsule.kind) {
+        case CAPSULEIO_NONE:
+            return mp_const_none;
+        case CAPSULEIO_STRING:
+            return mp_obj_new_str_copy(
+                &mp_type_str,
+                (const byte *)&capsuleio_capsule.data,
+                strlen((const char *)&capsuleio_capsule.data));
+        default:
+            // this should never be reached, but just in case
+            return mp_const_none;
+    }
+}
+
+capsule_result_t capsuleio_bury_obj(mp_obj_t obj) {
+    if (obj == mp_const_none) {
+        capsuleio_bury_none();
+        return CAPSULEIO_OK;
+    } else if (MP_OBJ_IS_STR(obj)) {
+        GET_STR_DATA_LEN(obj, data, length); // defines locals data and length
+        bool bury_worked = capsuleio_bury_string(data, length);
+        if (!bury_worked) {
+            return CAPSULEIO_STRING_TO_LONG;
+        } else {
+            return CAPSULEIO_OK;
+        }
+    } else {
+        return CAPSULEIO_TYPE_CANNOT_BE_BURIED;
+    }
+}
diff --git a/shared-module/capsuleio/__init__.h b/shared-module/capsuleio/__init__.h
new file mode 100644
index 0000000000000..6385b977d3275
--- /dev/null
+++ b/shared-module/capsuleio/__init__.h
@@ -0,0 +1,65 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2021 Jonah Yolles-Murphy (TG-Techie)
+ *
+ * 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_SHARED_MODULE_CAPSULEIO_H
+#define MICROPY_INCLUDED_SHARED_MODULE_CAPSULEIO_H
+
+#include "py/obj.h"
+#include "py/proto.h"
+#include "py/objstr.h"
+
+// TODO(tg-techie): make this settable on a per-board basis
+// this is the number of bytes allocated globally for storing capsuleio objects
+#define CIRCUITPY_CAPSULEIO_AMOUNT_BYTES 1024
+
+typedef enum {
+    CAPSULEIO_OK,
+    CAPSULEIO_STRING_TO_LONG,
+    CAPSULEIO_TYPE_CANNOT_BE_BURIED,
+} capsule_result_t;
+
+// yes this is a manual tagged union
+//  couldn't figure out a way to make void feilds in unions
+typedef enum  {
+    CAPSULEIO_NONE = 0, // the none kind must be zero
+    CAPSULEIO_STRING,
+} capsule_type_kind_t;
+
+typedef struct {
+    capsule_type_kind_t kind;
+    // a run-time tag to keep track of the stored type
+    byte data[CIRCUITPY_CAPSULEIO_AMOUNT_BYTES];
+    // the stored data
+    const byte _null_terminator;
+    // this *shouldn't* ever be overwritten, so be careful
+} capsuleio_capsule_t;
+
+extern capsuleio_capsule_t capsuleio_capsule;
+
+mp_obj_t capsuleio_unearth_new_obj(void);
+capsule_result_t capsuleio_bury_obj(mp_obj_t obj);
+
+#endif // MICROPY_INCLUDED_SHARED_MODULE_CAPSULEIO_H