diff --git a/keyboards/preonic/keymaps/smt/Makefile b/keyboards/preonic/keymaps/smt/Makefile
new file mode 100644
index 00000000..3d4659ce
--- /dev/null
+++ b/keyboards/preonic/keymaps/smt/Makefile
@@ -0,0 +1,3 @@
+ifndef QUANTUM_DIR
+	include ../../../../Makefile
+endif
\ No newline at end of file
diff --git a/keyboards/preonic/keymaps/smt/keymap.c b/keyboards/preonic/keymaps/smt/keymap.c
new file mode 100644
index 00000000..4ef22bb9
--- /dev/null
+++ b/keyboards/preonic/keymaps/smt/keymap.c
@@ -0,0 +1,248 @@
+#include "preonic.h"
+#include "action_layer.h"
+#include "eeconfig.h"
+#ifdef AUDIO_ENABLE
+  #include "audio.h"
+#endif
+
+// Each layer gets a name for readability, which is then used in the keymap matrix below.
+// The underscores don't mean anything - you can have a layer called STUFF or any other name.
+// Layer names don't all need to be of the same length, obviously, and you can also skip them
+// entirely and just use numbers.
+#define _DVORAK 0
+#define _QWERTY 1
+#define _LOWER 2
+#define _RAISE 3
+#define _ADJUST 16
+
+enum preonic_keycodes {
+  DVORAK = SAFE_RANGE,
+  QWERTY,
+  COLEMAK,
+  LOWER,
+  RAISE,
+  BACKLIT
+};
+
+// Fillers to make layering more clear
+#define _______ KC_TRNS
+#define XXXXXXX KC_NO
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+
+/* Dvorak
+ * ,-----------------------------------------------------------------------------------.
+ * |   `  |   1  |   2  |   3  |   4  |   5  |   6  |   7  |   8  |   9  |   0  | Bksp |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * | Tab  |   "  |   ,  |   .  |   P  |   Y  |   F  |   G  |   C  |   R  |   L  |  /   |
+ * |------+------+------+------+------+-------------+------+------+------+------+------|
+ * | Esc  |   A  |   O  |   E  |   U  |   I  |   D  |   H  |   T  |   N  |   S  |  -   |
+ * |------+------+------+------+------+------|------+------+------+------+------+------|
+ * | Shift|   ;  |   Q  |   J  |   K  |   X  |   B  |   M  |   W  |   V  |   Z  |Enter |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * | Brite| Ctrl | Alt  | GUI  |Lower |    Space    |Raise | Left | Down |  Up  |Right |
+ * `-----------------------------------------------------------------------------------'
+ */
+[_DVORAK] = {
+  {KC_GRV,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,       KC_BSPC},
+  {KC_TAB,  KC_QUOT, KC_COMM, KC_DOT,  KC_P,    KC_Y,    KC_F,    KC_G,    KC_C,    KC_R,    KC_L,       KC_SLSH},
+  {KC_ESC,  KC_A,    KC_O,    KC_E,    KC_U,    KC_I,    KC_D,    KC_H,    KC_T,    KC_N,    KC_S,       KC_MINS},
+  {KC_LSFT, KC_SCLN, KC_Q,    KC_J,    KC_K,    KC_X,    KC_B,    KC_M,    KC_W,    KC_V,    KC_Z, SFT_T(KC_ENT)},
+  {BACKLIT, KC_LCTL, KC_LALT, KC_LGUI, LOWER,   KC_SPC,  KC_SPC,  RAISE,   KC_LEFT, KC_DOWN, KC_UP,      KC_RGHT}
+},
+
+/* Qwerty
+ * ,-----------------------------------------------------------------------------------.
+ * |   `  |   1  |   2  |   3  |   4  |   5  |   6  |   7  |   8  |   9  |   0  | Bksp |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * | Tab  |   Q  |   W  |   E  |   R  |   T  |   Y  |   U  |   I  |   O  |   P  | Del  |
+ * |------+------+------+------+------+-------------+------+------+------+------+------|
+ * | Esc  |   A  |   S  |   D  |   F  |   G  |   H  |   J  |   K  |   L  |   ;  |  "   |
+ * |------+------+------+------+------+------|------+------+------+------+------+------|
+ * | Shift|   Z  |   X  |   C  |   V  |   B  |   N  |   M  |   ,  |   .  |   /  |Enter |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * | Brite| Ctrl | Alt  | GUI  |Lower |    Space    |Raise | Left | Down |  Up  |Right |
+ * `-----------------------------------------------------------------------------------'
+ */
+[_QWERTY] = {
+  {_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______},
+  {_______, KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    KC_DEL},
+  {_______, KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,    KC_J,    KC_K,    KC_L,    KC_SCLN, KC_QUOT},
+  {_______, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, _______},
+  {_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______}
+},
+
+/* Lower
+ * ,-----------------------------------------------------------------------------------.
+ * |   `  |   1  |   2  |   3  |   4  |   5  |   6  |   7  |   8  |   9  |   0  | Del  |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * |   `  |   1  |   2  |   3  |   4  |   5  |   6  |   7  |   8  |   9  |   0  | Del  |
+ * |------+------+------+------+------+-------------+------+------+------+------+------|
+ * |      |  F1  |  F2  |  F3  |  F4  |  F5  |  F6  |   4  |   5  |   6  | Home |PageUp|
+ * |------+------+------+------+------+------|------+------+------+------+------+------|
+ * |      |  F7  |  F8  |  F9  |  F10 |  F11 |  F12 |   1  |   2  |   3  | End  |PageDn|
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * |      |      |      |      |      |             |      | Next | Vol- | Vol+ | Play |
+ * `-----------------------------------------------------------------------------------'
+ */
+[_LOWER] = {
+  {KC_GRV,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_DEL},
+  {KC_GRV,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_DEL},
+  {_______, KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_4,    KC_5,    KC_6,    KC_HOME, KC_PGUP},
+  {_______, KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,  KC_1,    KC_2,    KC_3,    KC_END,  KC_PGDN},
+  {_______, _______, _______, _______, _______, _______, _______, _______, KC_MNXT, KC_VOLD, KC_VOLU, KC_MPLY}
+},
+
+/* Raise
+ * ,-----------------------------------------------------------------------------------.
+ * |   ~  |   !  |   @  |   #  |   $  |   %  |   ^  |   &  |   *  |   (  |   )  | Del  |
+ * |------+------+------+------+------+-------------+------+------+------+------+------|
+ * |   ~  |   !  |   @  |   #  |   $  |   %  |   ^  |   &  |   *  |   (  |   )  | Del  |
+ * |------+------+------+------+------+-------------+------+------+------+------+------|
+ * |      |      |      |      |      |      |      |   _  |   +  |   {  |   }  |  |   |
+ * |------+------+------+------+------+------|------+------+------+------+------+------|
+ * |      |      |      |      |      |      |      |   -  |   =  |   [  |   ]  |  \   |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * |      |      |      |      |      |             |      | Next | Vol- | Vol+ | Play |
+ * `-----------------------------------------------------------------------------------'
+ */
+[_RAISE] = {
+  {KC_TILD, KC_EXLM, KC_AT,   KC_HASH, KC_DLR,  KC_PERC, KC_CIRC, KC_AMPR, KC_ASTR, KC_LPRN, KC_RPRN, KC_DEL},
+  {KC_TILD, KC_EXLM, KC_AT,   KC_HASH, KC_DLR,  KC_PERC, KC_CIRC, KC_AMPR, KC_ASTR, KC_LPRN, KC_RPRN, KC_DEL},
+  {_______, _______, _______, _______, _______, _______, _______, KC_UNDS, KC_PLUS, KC_LCBR, KC_RCBR, KC_PIPE},
+  {_______, _______, _______, _______, _______, _______, _______, KC_MINS, KC_EQL,  KC_LBRC, KC_RBRC, KC_BSLS},
+  {_______, _______, _______, _______, _______, _______, _______, _______, KC_MNXT, KC_VOLD, KC_VOLU, KC_MPLY}
+},
+
+/* Adjust (Lower + Raise)
+ * ,-----------------------------------------------------------------------------------.
+ * |  F1  |  F2  |  F3  |  F4  |  F5  |  F6  |  F7  |  F8  |  F9  |  F10 |  F11 |  F12 |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * |      | Reset|      |      |      |      |      |      |      |      |      |  Del |
+ * |------+------+------+------+------+-------------+------+------+------+------+------|
+ * |      |      |      |Aud on|AudOff|AGnorm|AGswap|Dvorak|Qwerty|      |      |      |
+ * |------+------+------+------+------+------|------+------+------+------+------+------|
+ * |      |Voice-|Voice+|Mus on|MusOff|MidiOn|MidOff|      |      |      |      |      |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * |      |      |      |      |      |             |      |      |      |      |      |
+ * `-----------------------------------------------------------------------------------'
+ */
+[_ADJUST] = {
+  {KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12},
+  {_______, RESET,   _______, _______, _______, _______, _______, _______, _______, _______, _______, KC_DEL},
+  {_______, _______, _______, AU_ON,   AU_OFF,  AG_NORM, AG_SWAP, DVORAK,  QWERTY,  _______, _______, _______},
+  {_______, MUV_DE,  MUV_IN,  MU_ON,   MU_OFF,  MI_ON,   MI_OFF,  _______, _______, _______, _______, _______},
+  {_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______}
+}
+
+
+};
+
+#ifdef AUDIO_ENABLE
+float tone_startup[][2] = {
+  {NOTE_B5, 20},
+  {NOTE_B6, 8},
+  {NOTE_DS6, 20},
+  {NOTE_B6, 8}
+};
+
+float tone_dvorak[][2]     = SONG(DVORAK_SOUND);
+float tone_qwerty[][2]     = SONG(QWERTY_SOUND);
+
+float tone_goodbye[][2] = SONG(GOODBYE_SOUND);
+
+float music_scale[][2]     = SONG(MUSIC_SCALE_SOUND);
+#endif
+
+void persistant_default_layer_set(uint16_t default_layer) {
+  eeconfig_update_default_layer(default_layer);
+  default_layer_set(default_layer);
+}
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+  switch (keycode) {
+        case DVORAK:
+          if (record->event.pressed) {
+            #ifdef AUDIO_ENABLE
+              PLAY_NOTE_ARRAY(tone_dvorak, false, 0);
+            #endif
+            persistant_default_layer_set(1UL<<_DVORAK);
+          }
+          return false;
+          break;
+        case QWERTY:
+          if (record->event.pressed) {
+            #ifdef AUDIO_ENABLE
+              PLAY_NOTE_ARRAY(tone_qwerty, false, 0);
+            #endif
+            persistant_default_layer_set(1UL<<_QWERTY);
+          }
+          return false;
+          break;
+        case LOWER:
+          if (record->event.pressed) {
+            layer_on(_LOWER);
+            update_tri_layer(_LOWER, _RAISE, _ADJUST);
+          } else {
+            layer_off(_LOWER);
+            update_tri_layer(_LOWER, _RAISE, _ADJUST);
+          }
+          return false;
+          break;
+        case RAISE:
+          if (record->event.pressed) {
+            layer_on(_RAISE);
+            update_tri_layer(_LOWER, _RAISE, _ADJUST);
+          } else {
+            layer_off(_RAISE);
+            update_tri_layer(_LOWER, _RAISE, _ADJUST);
+          }
+          return false;
+          break;
+        case BACKLIT:
+          if (record->event.pressed) {
+            register_code(KC_RSFT);
+            #ifdef BACKLIGHT_ENABLE
+              backlight_step();
+            #endif
+          } else {
+            unregister_code(KC_RSFT);
+          }
+          return false;
+          break;
+      }
+    return true;
+};
+
+void matrix_init_user(void) {
+    #ifdef AUDIO_ENABLE
+        startup_user();
+    #endif
+}
+
+#ifdef AUDIO_ENABLE
+
+void startup_user()
+{
+    _delay_ms(20); // gets rid of tick
+    PLAY_NOTE_ARRAY(tone_startup, false, 0);
+}
+
+void shutdown_user()
+{
+    PLAY_NOTE_ARRAY(tone_goodbye, false, 0);
+    _delay_ms(150);
+    stop_all_notes();
+}
+
+void music_on_user(void)
+{
+    music_scale_user();
+}
+
+void music_scale_user(void)
+{
+    PLAY_NOTE_ARRAY(music_scale, false, 0);
+}
+
+#endif
diff --git a/keyboards/preonic/keymaps/smt/readme.md b/keyboards/preonic/keymaps/smt/readme.md
new file mode 100644
index 00000000..e911968d
--- /dev/null
+++ b/keyboards/preonic/keymaps/smt/readme.md
@@ -0,0 +1 @@
+# The default Preonic layout - largely based on the Planck's
\ No newline at end of file