5 files changed, 186 insertions, 0 deletions
diff --git a/keyboards/25keys/aleth42/rev0/config.h b/keyboards/25keys/aleth42/rev0/config.h
new file mode 100644
index 0000000000..da10e30a4f
--- /dev/null
+++ b/keyboards/25keys/aleth42/rev0/config.h
@@ -0,0 +1,82 @@
+/*
+Copyright 2020 monksoffunk
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+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"
+
+/* USB Device descriptor parameter */
+#define VENDOR_ID 0x04D8
+#define PRODUCT_ID 0xEAC8
+#define DEVICE_VER 0x0000
+#define MANUFACTURER 25KEYS
+#define PRODUCT ALETH42
+
+/* key matrix size */
+#define MATRIX_ROWS 4
+#define MATRIX_COLS 11
+
+/* key matrix pins */
+#define MATRIX_ROW_PINS { B0, B1, B2, B3 }
+#define MATRIX_COL_PINS { D0, D1, D2, D3, D4, D5, D6, C2, C4, C5, C6 }
+#define UNUSED_PINS
+
+/* COL2ROW, ROW2COL*/
+#define DIODE_DIRECTION COL2ROW
+
+#define ENCODERS_PAD_A { B6, B5 }  // located @ upper left
+#define ENCODERS_PAD_B { B7, B4 }  // located @ bottom left
+
+#define RGB_DI_PIN C7
+#ifdef RGB_DI_PIN
+   #define RGBLED_NUM 6
+   #define RGBLIGHT_HUE_STEP 8
+   #define RGBLIGHT_SAT_STEP 8
+   #define RGBLIGHT_VAL_STEP 8
+   #define RGBLIGHT_LIMIT_VAL 255 /* The maximum brightness level */
+   #define RGBLIGHT_SLEEP  /* If defined, the RGB lighting will be switched off when the host goes to sleep */
+ /*== all animations enable ==*/
+   #define RGBLIGHT_ANIMATIONS
+// /*== or choose animations ==*/
+//   #define RGBLIGHT_EFFECT_BREATHING
+//   #define RGBLIGHT_EFFECT_RAINBOW_MOOD
+//   #define RGBLIGHT_EFFECT_RAINBOW_SWIRL
+//   #define RGBLIGHT_EFFECT_SNAKE
+//   #define RGBLIGHT_EFFECT_KNIGHT
+//   #define RGBLIGHT_EFFECT_CHRISTMAS
+//   #define RGBLIGHT_EFFECT_STATIC_GRADIENT
+//   #define RGBLIGHT_EFFECT_RGB_TEST
+//   #define RGBLIGHT_EFFECT_ALTERNATING
+// /*== customize breathing effect ==*/
+//   /*==== (DEFAULT) use fixed table instead of exp() and sin() ====*/
+//   #define RGBLIGHT_BREATHE_TABLE_SIZE 256      // 256(default) or 128 or 64
+//   /*==== use exp() and sin() ====*/
+//   #define RGBLIGHT_EFFECT_BREATHE_CENTER 1.85  // 1 to 2.7
+//   #define RGBLIGHT_EFFECT_BREATHE_MAX    255   // 0 to 255
+#endif
+
+/* Debounce reduces chatter (unintended double-presses) - set 0 if debouncing is not needed */
+#define DEBOUNCE 5
+
+/* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
+#define LOCKING_SUPPORT_ENABLE
+/* Locking resynchronize hack */
+#define LOCKING_RESYNC_ENABLE
+
+/* disable these deprecated features by default */
+#define NO_ACTION_MACRO
+#define NO_ACTION_FUNCTION
+\ No newline at end of file
diff --git a/keyboards/25keys/aleth42/rev0/readme.md b/keyboards/25keys/aleth42/rev0/readme.md
new file mode 100644
index 0000000000..2457a7a10a
--- /dev/null
+++ b/keyboards/25keys/aleth42/rev0/readme.md
@@ -0,0 +1,15 @@
+# ALETH42
+
+![ALETH42](https://i.imgur.com/6hJVBQl.png)
+
+40% keyboard with rotary encoder (optional)
+
+* Keyboard Maintainer: [monksoffunk](https://github.com/monksoffunk/) [@monksoffunkJP](https://twitter.com/monksoffunkJP)
+* Hardware Supported: ALETH42 PCB
+* Hardware Availability: [twitter](https://twitter.com/monksoffunkJP)
+
+Make example for this keyboard (after setting up your build environment):
+
+    make aleth42:default
+
+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).
diff --git a/keyboards/25keys/aleth42/rev0/rev0.c b/keyboards/25keys/aleth42/rev0/rev0.c
new file mode 100644
index 0000000000..ce91e83804
--- /dev/null
+++ b/keyboards/25keys/aleth42/rev0/rev0.c
@@ -0,0 +1,17 @@
+/* Copyright 2020 monksoffunk
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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 "rev0.h"
+\ No newline at end of file
diff --git a/keyboards/25keys/aleth42/rev0/rev0.h b/keyboards/25keys/aleth42/rev0/rev0.h
new file mode 100644
index 0000000000..a5dd74037f
--- /dev/null
+++ b/keyboards/25keys/aleth42/rev0/rev0.h
@@ -0,0 +1,54 @@
+/* Copyright 2020 monksoffunk
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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"
+
+// for readability
+#define XXX KC_NO
+
+/* This is a shortcut to help you visually see your layout.
+ *
+ * The first section contains all of the arguments representing the physical
+ * layout of the board and position of the keys.
+ *
+ * The second converts the arguments into a two-dimensional array which
+ * represents the switch matrix.
+ */
+/* ALETH42 layout
+ * ,-----------------------------------------------------------.
+ * | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 0A | 38 |
+ * |-----------------------------------------------------------|
+ * | 10   | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A    |
+ * |-----------------------------------------------------------|
+ * | 20     | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 2A  |
+ * |-----------------------------------------------------------|
+ * | 30 | 31  | 32  |    33     |      34     | 35  | 36 | 37  |
+ * `-----------------------------------------------------------'
+ */
+#define LAYOUT( \
+  k00, k01, k02, k03, k04, k05, k06, k07, k08, k09, k0A, k38,\
+  k10, k11, k12, k13, k14, k15, k16, k17, k18, k19, k1A,\
+  k20, k21, k22, k23, k24, k25, k26, k27, k28, k29, k2A,\
+  k30, k31, k32, k33, k34, k35, k36, k37\
+) \
+{ \
+  { k00, k01, k02, k03, k04, k05, k06, k07, k08, k09, k0A },\
+  { k10, k11, k12, k13, k14, k15, k16, k17, k18, k19, k1A },\
+  { k20, k21, k22, k23, k24, k25, k26, k27, k28, k29, k2A },\
+  { k30, k31, k32, k33, k34, k35, k36, k37, XXX, XXX, k38 }\
+}
diff --git a/keyboards/25keys/aleth42/rev0/rules.mk b/keyboards/25keys/aleth42/rev0/rules.mk
new file mode 100644
index 0000000000..fd5789116d
--- /dev/null
+++ b/keyboards/25keys/aleth42/rev0/rules.mk
@@ -0,0 +1,18 @@
+# MCU name
+MCU = atmega32u2
+
+# Bootloader selection
+BOOTLOADER = atmel-dfu
+
+# Build Options
+#   change yes to no to disable
+#
+BOOTMAGIC_ENABLE = no       # Enable Bootmagic Lite
+MOUSEKEY_ENABLE = no       # Mouse keys
+EXTRAKEY_ENABLE = yes       # Audio control and System control
+CONSOLE_ENABLE = yes        # 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 = yes        # Enable keyboard RGB underglow
+ENCODER_ENABLE = yes