diff --git a/keyboards/adm42/adm42.c b/keyboards/adm42/adm42.c
new file mode 100644
index 0000000000..0cae6c9ab5
--- /dev/null
+++ b/keyboards/adm42/adm42.c
@@ -0,0 +1,17 @@
+/* Copyright 2020-2022 Lorenzo Leonini
+ * SPDX-License-Identifier: GPL-2.0-only
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "adm42.h"
diff --git a/keyboards/adm42/adm42.h b/keyboards/adm42/adm42.h
new file mode 100644
index 0000000000..d4ac544a8f
--- /dev/null
+++ b/keyboards/adm42/adm42.h
@@ -0,0 +1,31 @@
+/* Copyright 2020-2022 Lorenzo Leonini
+ * SPDX-License-Identifier: GPL-2.0-only
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include "quantum.h"
+
+#define LAYOUT_adm42_3x12_6( \
+    K101, K102, K103, K104, K105, K106, K107, K108, K109, K110, K111, K112, \
+    K201, K202, K203, K204, K205, K206, K207, K208, K209, K210, K211, K212, \
+    K301, K302, K303, K304, K305, K306, K307, K308, K309, K310, K311, K312, \
+                      K404, K405, K406, K407, K408, K409  \
+) { \
+    { K101,  K102,  K103,  K104,  K105,  K106,  K107,  K108,  K109,  K110,  K111,  K112  }, \
+    { K201,  K202,  K203,  K204,  K205,  K206,  K207,  K208,  K209,  K210,  K211,  K212  }, \
+    { K301,  K302,  K303,  K304,  K305,  K306,  K307,  K308,  K309,  K310,  K311,  K312  }, \
+    { KC_NO, KC_NO, KC_NO, K404,  K405,  K407,  K406,  K408,  K409,  KC_NO, KC_NO, KC_NO }  \
+}
diff --git a/keyboards/adm42/config.h b/keyboards/adm42/config.h
new file mode 100644
index 0000000000..7843f38d4f
--- /dev/null
+++ b/keyboards/adm42/config.h
@@ -0,0 +1,39 @@
+/* Copyright 2020-2022 Lorenzo Leonini
+ * SPDX-License-Identifier: GPL-2.0-only
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include "config_common.h"
+
+/* Microchip ADM42 sublicensing */
+#define VENDOR_ID				0x04D8
+#define PRODUCT_ID			0xE873
+
+#define DEVICE_VER      0x0001
+#define MANUFACTURER    Lorenzo Leonini
+#define PRODUCT         ADM42
+
+#define MATRIX_ROWS 4
+#define MATRIX_COLS 12
+
+#define DIODE_DIRECTION ROW2COL
+
+#define TAP_CODE_DELAY 1
+#define DEBOUNCE 10
+
+#if defined(CONSOLE_ENABLE)
+	#define DEBUG_MATRIX_SCAN_RATE
+#endif
diff --git a/keyboards/adm42/readme.md b/keyboards/adm42/readme.md
new file mode 100644
index 0000000000..1affc11628
--- /dev/null
+++ b/keyboards/adm42/readme.md
@@ -0,0 +1,27 @@
+# ADM42
+
+![ADM42](https://i.imgur.com/pviCQSQh.jpeg)
+
+A compact ergonomic 40% ortholinear keyboard. [More info on ADM42.dev](https://adm42.dev)
+
+* Keyboard Maintainer: [Lorenzo Leonini](https://github.com/lleonini)  
+* Hardware Supported: ADM42
+* Hardware Availability: [Shop](https://shop.adm42.dev)
+
+Make example for this keyboard (after setting up your build environment):
+
+    make adm42:default
+
+Flashing example for this keyboard:
+
+    make adm42:default:flash
+
+See the [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools) and the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide) for more information. Brand new to QMK? Start with our [Complete Newbs Guide](https://docs.qmk.fm/#/newbs).
+
+## Bootloader
+
+Enter the bootloader in 3 ways:
+
+* **Keycode in layout**: Press the key mapped to `RESET` if it is available
+* **Bootmagic reset**: Hold down the key at (0,0) in the matrix (the top left key) and plug in the keyboard
+* **Physical reset button**: Briefly press the button on the back of the PCB
diff --git a/keyboards/adm42/rev4/config.h b/keyboards/adm42/rev4/config.h
new file mode 100644
index 0000000000..ca42185f4e
--- /dev/null
+++ b/keyboards/adm42/rev4/config.h
@@ -0,0 +1,52 @@
+/* Copyright 2020-2022 Lorenzo Leonini
+ * SPDX-License-Identifier: GPL-2.0-only
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#define MATRIX_COL_PINS { C6, B6, B5, B4, D7, D6, F0, F1, F4, F5, F6, F7 }
+#define MATRIX_ROW_PINS { C7, D5, D3, D2 }
+
+#define QMK_LED E6
+
+#define RGB_DI_PIN B7
+
+#define DRIVER_LED_TOTAL 42
+#define RGB_MATRIX_MAXIMUM_BRIGHTNESS 170
+#define RGB_MATRIX_CENTER { 112, 32 }
+#define RGB_DISABLE_WHEN_USB_SUSPENDED
+#define RGB_MATRIX_LED_PROCESS_LIMIT 21
+#define RGB_MATRIX_LED_FLUSH_LIMIT 16
+#define RGB_MATRIX_STARTUP_MODE RGB_MATRIX_CYCLE_LEFT_RIGHT
+#define RGB_MATRIX_TYPING_HEATMAP_DECREASE_DELAY_MS 20
+#define RGB_MATRIX_KEYPRESSES
+#define RGB_MATRIX_FRAMEBUFFER_EFFECTS
+#define RGB_MATRIX_SAT_STEP 24
+#define RGB_MATRIX_HUE_STEP 8
+#define RGB_MATRIX_VAL_STEP 16
+#define RGB_MATRIX_SPD_STEP 16
+
+#define ENABLE_RGB_MATRIX_BREATHING
+#define ENABLE_RGB_MATRIX_CYCLE_LEFT_RIGHT
+#define ENABLE_RGBLIGHT_MODE_STATIC_LIGHT
+#define ENABLE_RGB_MATRIX_CYCLE_UP_DOWN
+#define ENABLE_RGB_MATRIX_PIXEL_FRACTAL
+#define ENABLE_RGB_MATRIX_TYPING_HEATMAP
+#define ENABLE_RGB_MATRIX_SOLID_REACTIVE_SIMPLE
+#define ENABLE_RGB_MATRIX_JELLYBEAN_RAINDROPS
+#define ENABLE_RGB_MATRIX_CYCLE_OUT_IN
+#define ENABLE_RGB_MATRIX_CYCLE_PINWHEEL
+#define ENABLE_RGB_MATRIX_PIXEL_RAIN
+#define ENABLE_RGB_MATRIX_DIGITAL_RAIN
+#define ENABLE_RGB_MATRIX_BAND_VAL
+#define ENABLE_RGB_MATRIX_SPLASH
diff --git a/keyboards/adm42/rev4/keymaps/default/config.h b/keyboards/adm42/rev4/keymaps/default/config.h
new file mode 100644
index 0000000000..38c012e938
--- /dev/null
+++ b/keyboards/adm42/rev4/keymaps/default/config.h
@@ -0,0 +1,3 @@
+#define HOLD_ON_OTHER_KEY_PRESS_PER_KEY
+#define TAPPING_FORCE_HOLD_PER_KEY
+#define IGNORE_MOD_TAP_INTERRUPT_PER_KEY
diff --git a/keyboards/adm42/rev4/keymaps/default/keymap.c b/keyboards/adm42/rev4/keymaps/default/keymap.c
new file mode 100644
index 0000000000..36b64cad3e
--- /dev/null
+++ b/keyboards/adm42/rev4/keymaps/default/keymap.c
@@ -0,0 +1,210 @@
+/* Copyright 2020-2022 Lorenzo Leonini
+ * SPDX-License-Identifier: GPL-2.0-only
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include QMK_KEYBOARD_H
+
+enum custom_layers {
+    _QWERTY,
+    _COLEMAKDH,
+    _SPECIAL,
+    _EXTRA,
+    _ADM,
+    _SETUP,
+};
+
+#define LW_GRV LWIN_T(KC_GRV)
+#define RW_EQU RWIN_T(KC_EQUAL)
+#define RW_BS RWIN_T(KC_BSLS)
+#define LC_TAB LCTL_T(KC_TAB)
+#define RC_QUT RCTL_T(KC_QUOT)
+#define LS_BPC LSFT_T(KC_BSPC)
+#define RS_SPC RSFT_T(KC_SPC)
+#define LA_BS LALT_T(KC_BSLS)
+#define LW_F11 LWIN_T(KC_F11)
+#define LC_APP LCTL_T(KC_APP)
+#define LA_TOG LALT_T(RGB_TOG)
+#define RW_F12 RWIN_T(KC_F12)
+
+#define LLS_ESC LT(_SPECIAL, KC_ESC) 
+#define LLS_RALT LT(_SPECIAL, KC_RALT) 
+#define LLE_ENT LT(_EXTRA, KC_ENT) 
+#define LLA_DEL LT(_ADM, KC_DEL)
+#define SETUP MO(_SETUP)
+
+enum custom_keycodes {
+    REFLASH = SAFE_RANGE,
+    LC_CIRC,
+    RC_DLR,
+    DF_QWER,
+    DF_COLE,
+};
+
+// Not a mistake to have KC_LALT (also) on the right, RALT is kept for compose (LLS_RALT)
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+    [_QWERTY] = LAYOUT_adm42_3x12_6(
+        LW_GRV,  KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    RW_EQU,
+        LC_TAB,  KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,    KC_J,    KC_K,    KC_L,    KC_SCLN, RC_QUT,
+        KC_LALT, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_LALT,
+                                   LLS_ESC, LS_BPC,  LLA_DEL, LLE_ENT, RS_SPC,  LLS_RALT
+    ),
+    [_COLEMAKDH] = LAYOUT_adm42_3x12_6(
+        LW_GRV,  KC_Q,    KC_W,    KC_F,    KC_P,    KC_B,    KC_J,    KC_L,    KC_U,    KC_Y,    KC_SCLN, RW_EQU,
+        LC_TAB,  KC_A,    KC_R,    KC_S,    KC_T,    KC_G,    KC_M,    KC_N,    KC_E,    KC_I,    KC_O,    RC_QUT,
+        KC_LALT, KC_Z,    KC_X,    KC_C,    KC_D,    KC_V,    KC_K,    KC_H,    KC_COMM, KC_DOT,  KC_SLSH, KC_LALT,
+                                   LLS_ESC, LS_BPC,  LLA_DEL, LLE_ENT, RS_SPC,  LLS_RALT
+    ),
+
+    [_SPECIAL] = LAYOUT_adm42_3x12_6(
+        _______, KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    RW_BS,
+        LC_CIRC, KC_LBRC, KC_RBRC, KC_LPRN, KC_RPRN, KC_EXLM, KC_LEFT, KC_DOWN, KC_UP,   KC_RGHT, KC_MINS, RC_DLR,
+        _______, KC_AMPR, KC_AT,   KC_LCBR, KC_RCBR, KC_PIPE, KC_UNDS, KC_ASTR, KC_HASH, KC_PERC, KC_TILD, _______,
+                                   KC_ESC,  _______, KC_DEL,  KC_ENT,  _______, KC_RALT
+    ),
+    [_EXTRA] = LAYOUT_adm42_3x12_6(
+        LW_F11,  KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  RW_F12,
+        KC_LCTL, KC_PAUS, KC_INS,  KC_VOLD, KC_VOLU, KC_MUTE, KC_HOME, KC_PGDN, KC_PGUP, KC_END,  KC_APP,  KC_RCTL,
+        _______, KC_SLEP, KC_PWR,  KC_MSTP, KC_MNXT, KC_MPLY, _______, KC_BRID, KC_BRIU, KC_PSCR, KC_WAKE, _______,
+                                   KC_CAPS, _______, _______, _______, _______, KC_CAPS
+    ),
+    [_ADM] = LAYOUT_adm42_3x12_6(
+        XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, RGB_M_B, RGB_VAD, RGB_VAI, RGB_SAD, RGB_SAI, XXXXXXX,
+        XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, RGB_TOG, RGB_MOD, RGB_RMOD,RGB_HUD, RGB_HUI, XXXXXXX,
+        XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,  RGB_M_P, RGB_SPD, RGB_SPI, XXXXXXX, XXXXXXX, XXXXXXX,
+                                   XXXXXXX, XXXXXXX, XXXXXXX, SETUP,   XXXXXXX, XXXXXXX
+    ),
+    [_SETUP] = LAYOUT_adm42_3x12_6(
+        REFLASH, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
+        XXXXXXX, DF_QWER, DF_COLE, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
+        XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, EEP_RST,
+                                   XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX
+    ),
+};
+
+bool get_ignore_mod_tap_interrupt(uint16_t keycode, keyrecord_t *record) {
+    switch (keycode) {
+     case RC_QUT:
+        return true;
+     default:
+        return false;
+    }
+}
+
+bool get_hold_on_other_key_press(uint16_t keycode, keyrecord_t *record) {
+    switch (keycode) {
+     case LLS_ESC:
+     case LLS_RALT:
+     case LLE_ENT:
+     case LLA_DEL:
+        return true;
+     default:
+        return false;
+    }
+}
+
+bool get_tapping_force_hold(uint16_t keycode, keyrecord_t *record) {
+    switch (keycode) {
+     case LLS_ESC:
+     case LLS_RALT:
+        return true;
+     default:
+        return false;
+    }
+}
+
+static uint16_t last_timer = 0;
+static int last_key = 0;
+bool cleanup_return(uint16_t keycode, keyrecord_t *record, bool value) {
+    if (record->event.pressed) {
+        last_key = keycode;
+        last_timer = timer_read();
+    }
+    return value;
+}
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+
+#ifdef CONSOLE_ENABLE
+    uprintf("KL: kc: 0x%04X, col: %u, row: %u, pressed: %b, time: %u, interrupt: %b, count: %u\n", keycode, record->event.key.col, record->event.key.row, record->event.pressed, record->event.time, record->tap.interrupted, record->tap.count);
+#endif
+
+    switch (keycode) {
+
+     case RC_DLR:
+        if (record->event.pressed) {
+            register_code(KC_RCTL);
+        } else {
+            unregister_code(KC_RCTL);
+            if (last_key == keycode && timer_elapsed(last_timer) <= TAPPING_TERM) {
+                send_string("$");
+            }
+        }
+        return cleanup_return(keycode, record, false);
+
+     case LC_CIRC:
+        if (record->event.pressed) {
+            register_code(KC_LCTL);
+        } else {
+            unregister_code(KC_LCTL);
+            if (last_key == keycode && timer_elapsed(last_timer) <= TAPPING_TERM) {
+                send_string("^");
+            }
+        }
+        return cleanup_return(keycode, record, false);
+
+     case DF_QWER:
+        if (record->event.pressed) {
+            set_single_persistent_default_layer(_QWERTY);
+            send_string("QWERTY layout");
+        }
+        return false;
+     case DF_COLE:
+        if (record->event.pressed) {
+            set_single_persistent_default_layer(_COLEMAKDH);
+            send_string("COLEMAKDH layout");
+        }
+        return false;
+
+     case REFLASH:
+        eeconfig_init();
+        eeconfig_update_rgb_matrix_default();
+        writePinLow(QMK_LED);
+        reset_keyboard();
+        return false;
+
+     default:
+        return cleanup_return(keycode, record, true);
+    }
+}
+
+void keyboard_pre_init_kb(void) {
+    setPinOutput(QMK_LED);
+    writePinHigh(QMK_LED);
+}
+
+void keyboard_post_init_kb(void) {
+    debug_enable = true;
+    debug_matrix = false;
+    debug_keyboard = false;
+    writePinHigh(QMK_LED);
+}
+
+void suspend_power_down_kb(void) {
+    writePinLow(QMK_LED);
+}
+
+void suspend_wakeup_init_kb(void) {
+  writePinHigh(QMK_LED);
+}
diff --git a/keyboards/adm42/rev4/rev4.c b/keyboards/adm42/rev4/rev4.c
new file mode 100644
index 0000000000..2e22004f96
--- /dev/null
+++ b/keyboards/adm42/rev4/rev4.c
@@ -0,0 +1,39 @@
+/* Copyright 2020-2022 Lorenzo Leonini
+ * SPDX-License-Identifier: GPL-2.0-only
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include QMK_KEYBOARD_H
+
+led_config_t g_led_config = {
+    {
+        {12, 11, 8, 7, 4, 3, 36, 37, 38, 39, 40, 41},
+        {13, 10, 9, 6, 5, 2, 35, 34, 33, 32, 31, 30},
+        {14, 15, 16, 17, 18, 1, 24, 25, 26, 27, 28, 29},
+        {NO_LED, NO_LED, NO_LED, 19, 20, 21, 0, 22, 23, NO_LED, NO_LED, NO_LED}
+    }, {
+        {112, 32}, {92,  36}, {94,  25}, {97,  14}, {80,  13}, {77,  24},
+        {62,  18}, {64,  8},  {49,  6},  {46,  17}, {28,  23}, {30,  13},
+        {14,  11}, {11,  22}, {8,   32}, {26,  34}, {43,  28}, {61,  29},
+        {76,  34}, {78,  46}, {97,  49}, {112, 56}, {127, 49}, {146, 46},
+        {132, 36}, {148, 34}, {164, 29}, {180, 28}, {198, 34}, {215, 32},
+        {212, 22}, {196, 23}, {178, 17}, {161, 18}, {146, 24}, {130, 25},
+        {126, 14}, {143, 13}, {159, 8},  {175, 6},  {194, 13}, {210, 11}
+    }, {
+        4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+        4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+        4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+        4, 4, 4, 4, 4, 4
+    }
+};
diff --git a/keyboards/adm42/rev4/rules.mk b/keyboards/adm42/rev4/rules.mk
new file mode 100644
index 0000000000..9be57067bb
--- /dev/null
+++ b/keyboards/adm42/rev4/rules.mk
@@ -0,0 +1,2 @@
+RGB_MATRIX_ENABLE = yes
+RGB_MATRIX_DRIVER = WS2812
diff --git a/keyboards/adm42/rules.mk b/keyboards/adm42/rules.mk
new file mode 100644
index 0000000000..c075aa134d
--- /dev/null
+++ b/keyboards/adm42/rules.mk
@@ -0,0 +1,22 @@
+# MCU name
+MCU = atmega32u4
+
+# Bootloader selection
+BOOTLOADER = atmel-dfu
+
+# Build Options
+#   change yes to no to disable
+#
+BOOTMAGIC_ENABLE = yes      # Enable Bootmagic Lite
+MOUSEKEY_ENABLE = no        # Mouse keys
+EXTRAKEY_ENABLE = yes       # Audio control and System control
+CONSOLE_ENABLE = no         # Console for debug
+COMMAND_ENABLE = no         # Commands for debug and configuration
+NKRO_ENABLE = no            # Enable N-Key Rollover
+BACKLIGHT_ENABLE = no       # Enable keyboard backlight functionality
+RGBLIGHT_ENABLE = no        # Enable keyboard RGB underglow
+AUDIO_ENABLE = no           # Audio output
+DEBOUNCE_TYPE = sym_eager_pk
+LTO_ENABLE = yes
+
+DEFAULT_FOLDER = adm42/rev4