diff --git a/keyboards/handwired/alpspad/alpspad.c b/keyboards/handwired/alpspad/alpspad.c
new file mode 100644
index 0000000000..2519568783
--- /dev/null
+++ b/keyboards/handwired/alpspad/alpspad.c
@@ -0,0 +1,17 @@
+/* Copyright 2021 steven-y-e
+ *
+ * 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 "alpspad.h"
diff --git a/keyboards/handwired/alpspad/alpspad.h b/keyboards/handwired/alpspad/alpspad.h
new file mode 100644
index 0000000000..adc92d0884
--- /dev/null
+++ b/keyboards/handwired/alpspad/alpspad.h
@@ -0,0 +1,36 @@
+#pragma once
+
+#include "quantum.h"
+
+/* alps numpad wiring matrix layout
+ * ,-------------------.
+ * | 00 | 01 | 02 | 51 |
+ * |-------------------|
+ * | 10 | 11 | 12 |    |
+ * |--------------- 52 |
+ * | 20 | 21 | 22 |    |
+ * |-------------------|
+ * | 30 | 31 | 32 |    |
+ * |--------------| 42 |
+ * |    40   | 41 |    |
+ * `-------------------'
+ */
+
+#define XXX KC_NO
+// allows blanks in the key matrix array to have the same character length
+// as valid keys
+
+#define LAYOUT( \
+    k00, k01, k02, k51, \
+    k10, k11, k12, k52, \
+    k20, k21, k22,      \
+    k30, k31, k32, k42, \
+    k40,      k41       \
+) { \
+    {k00, k01, k02}, \
+    {k10, k11, k12}, \
+    {k20, k21, k22}, \
+    {k30, k31, k32}, \
+    {k40, k41, k42}, \
+    {XXX, k51, k52}  \
+}
diff --git a/keyboards/handwired/alpspad/chconf.h b/keyboards/handwired/alpspad/chconf.h
new file mode 100644
index 0000000000..ec5e78063f
--- /dev/null
+++ b/keyboards/handwired/alpspad/chconf.h
@@ -0,0 +1,31 @@
+#pragma once
+
+#define CH_CFG_ST_FREQUENCY 1000
+
+#define CH_CFG_ST_TIMEDELTA 0
+
+#define CH_CFG_TIME_QUANTUM 20
+
+#define CH_CFG_FACTORY_OBJECTS_REGISTRY TRUE
+
+#define CH_CFG_FACTORY_GENERIC_BUFFERS TRUE
+
+#define CH_CFG_FACTORY_SEMAPHORES TRUE
+
+#define CH_CFG_FACTORY_MAILBOXES TRUE
+
+#define CH_CFG_FACTORY_OBJ_FIFOS TRUE
+
+#define CH_CFG_FACTORY_PIPES TRUE
+
+#define CH_DBG_SYSTEM_STATE_CHECK TRUE
+
+#define CH_DBG_ENABLE_CHECKS TRUE
+
+#define CH_DBG_ENABLE_ASSERTS TRUE
+
+#define CH_DBG_ENABLE_STACK_CHECK TRUE
+
+#define CH_DBG_FILL_THREADS TRUE
+
+#include_next <chconf.h>
diff --git a/keyboards/handwired/alpspad/config.h b/keyboards/handwired/alpspad/config.h
new file mode 100644
index 0000000000..e0cda371ea
--- /dev/null
+++ b/keyboards/handwired/alpspad/config.h
@@ -0,0 +1,159 @@
+/*
+Copyright 2021 steven-y-e
+
+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
+
+// TODO: including this causes "error: expected identifier before '(' token" errors
+//#include "config_common.h"
+
+/* USB Device descriptor parameter */
+#define VENDOR_ID    0xFEED
+#define PRODUCT_ID   0x9021
+#define DEVICE_VER   0x0420
+#define MANUFACTURER steven-y-e
+#define PRODUCT      alpspad
+
+/* key matrix size */
+#define MATRIX_ROWS 6
+#define MATRIX_COLS 3
+
+/*
+ * Keyboard Matrix Assignments
+ *
+ * Change this to how you wired your keyboard
+ * COLS: AVR pins used for columns, left to right
+ * ROWS: AVR pins used for rows, top to bottom
+ * DIODE_DIRECTION: COL2ROW = COL = Anode (+), ROW = Cathode (-, marked on diode)
+ *                  ROW2COL = ROW = Anode (+), COL = Cathode (-, marked on diode)
+ *
+ */
+#define MATRIX_COL_PINS { B1, B2, D5 }
+#define MATRIX_ROW_PINS { D7, A2, A1, D0, B17, D6 }
+#define UNUSED_PINS
+
+/* COL2ROW, ROW2COL */
+#define DIODE_DIRECTION COL2ROW
+
+/*
+ * Split Keyboard specific options, make sure you have 'SPLIT_KEYBOARD = yes' in your rules.mk, and define SOFT_SERIAL_PIN.
+ */
+#define SOFT_SERIAL_PIN D0  // or D1, D2, D3, E6
+
+#define LED_NUM_LOCK_PIN D4
+//#define LED_CAPS_LOCK_PIN B1
+//#define LED_SCROLL_LOCK_PIN B2
+//#define LED_COMPOSE_PIN B3
+//#define LED_KANA_PIN B4
+
+//#define BACKLIGHT_PIN B7
+//#define BACKLIGHT_LEVELS 3
+//#define BACKLIGHT_BREATHING
+
+//#define RGB_DI_PIN E2
+//#ifdef RGB_DI_PIN
+//#    define RGBLED_NUM 16
+//#    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
+
+/* define if matrix has ghost (lacks anti-ghosting diodes) */
+//#define MATRIX_HAS_GHOST
+
+/* 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
+
+/* If defined, GRAVE_ESC will always act as ESC when CTRL is held.
+ * This is useful for the Windows task manager shortcut (ctrl+shift+esc).
+ */
+//#define GRAVE_ESC_CTRL_OVERRIDE
+
+/*
+ * Force NKRO
+ *
+ * Force NKRO (nKey Rollover) to be enabled by default, regardless of the saved
+ * state in the bootmagic EEPROM settings. (Note that NKRO must be enabled in the
+ * makefile for this to work.)
+ *
+ * If forced on, NKRO can be disabled via magic key (default = LShift+RShift+N)
+ * until the next keyboard reset.
+ *
+ * NKRO may prevent your keystrokes from being detected in the BIOS, but it is
+ * fully operational during normal computer usage.
+ *
+ * For a less heavy-handed approach, enable NKRO via magic key (LShift+RShift+N)
+ * or via bootmagic (hold SPACE+N while plugging in the keyboard). Once set by
+ * bootmagic, NKRO mode will always be enabled until it is toggled again during a
+ * power-up.
+ *
+ */
+//#define FORCE_NKRO
+
+/*
+ * Feature disable options
+ *  These options are also useful to firmware size reduction.
+ */
+
+/* disable debug print */
+//#define NO_DEBUG
+
+/* disable print */
+//#define NO_PRINT
+
+/* disable action features */
+//#define NO_ACTION_LAYER
+//#define NO_ACTION_TAPPING
+//#define NO_ACTION_ONESHOT
+
+/* disable these deprecated features by default */
+#define NO_ACTION_MACRO
+#define NO_ACTION_FUNCTION
+
+/* Bootmagic Lite key configuration */
+//#define BOOTMAGIC_LITE_ROW 0
+//#define BOOTMAGIC_LITE_COLUMN 0
+
+// i2c_master defines
+#define I2C1_SCL 0 // A2 on pinout = B0
+#define I2C1_SDA 1 // A3 on pinout = B1
+#define I2C1_SCL_PAL_MODE PAL_MODE_ALTERNATIVE_2
+#define I2C1_SDA_PAL_MODE PAL_MODE_ALTERNATIVE_2
diff --git a/keyboards/handwired/alpspad/halconf.h b/keyboards/handwired/alpspad/halconf.h
new file mode 100644
index 0000000000..964af33342
--- /dev/null
+++ b/keyboards/handwired/alpspad/halconf.h
@@ -0,0 +1,3 @@
+#define HAL_USE_I2C TRUE
+
+#include_next <halconf.h>
diff --git a/keyboards/handwired/alpspad/info.json b/keyboards/handwired/alpspad/info.json
new file mode 100644
index 0000000000..b1708bb84c
--- /dev/null
+++ b/keyboards/handwired/alpspad/info.json
@@ -0,0 +1,34 @@
+{
+    "keyboard_name": "alpspad",
+    "url": "",
+    "maintainer": "steven-y-e",
+    "width": 4,
+    "height": 5,
+    "layouts": {
+        "LAYOUT": {
+            "layout": [
+                {"x":0, "y":0},
+                {"x":1, "y":0},
+                {"x":2, "y":0},
+                {"x":3, "y":0},
+
+                {"x":0, "y":1},
+                {"x":1, "y":1},
+                {"x":2, "y":1},
+                {"x":3, "y":1, "h":2},
+
+                {"x":0, "y":2},
+                {"x":1, "y":2},
+                {"x":2, "y":2},
+
+                {"x":0, "y":3},
+                {"x":1, "y":3},
+                {"x":2, "y":3},
+                {"x":3, "y":3, "h":2},
+
+                {"x":0, "y":0, "w":2},
+                {"x":1, "y":0}
+            ]
+        }
+    }
+}
diff --git a/keyboards/handwired/alpspad/keymaps/default/keymap.c b/keyboards/handwired/alpspad/keymaps/default/keymap.c
new file mode 100644
index 0000000000..3d17e918cc
--- /dev/null
+++ b/keyboards/handwired/alpspad/keymaps/default/keymap.c
@@ -0,0 +1,68 @@
+/* Copyright 2021 steven-y-e
+ *
+ * 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 QMK_KEYBOARD_H
+
+// Defines names for use in layer keycodes and the keymap
+enum layer_names {
+    _BASE,
+    _FN,
+    _FN1,
+    _FN2
+};
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+    /*
+     * ,-------------------.
+     * | NL | /  | *  | -  |
+     * |----|----|----|----|
+     * | 7  | 8  | 9  |    |
+     * |----|----|----| +  |
+     * | 4  | 5  | 6  |    |
+     * |----|----|----|----|
+     * | 1  | 2  | 3  |    |
+     * |----|----|----| En |
+     * |    0    | .  |    |
+     * `-------------------'
+     */
+    [_BASE] = LAYOUT(
+        KC_NLCK, KC_PSLS, KC_PAST, KC_PMNS,
+        KC_P7,   KC_P8,   KC_P9,   KC_PPLS,
+        KC_P4,   KC_P5,   KC_P6,
+        KC_P1,   KC_P2,   KC_P3,   KC_PENT,
+        KC_P0,          KC_PDOT
+    ),
+    [_FN] = LAYOUT(
+        _______, _______, _______, _______,
+        _______, _______, _______, _______,
+        _______, _______, _______,
+        _______, _______, _______, _______,
+        _______, _______
+    ),
+    [_FN1] = LAYOUT(
+        _______, _______, _______, _______,
+        _______, _______, _______, _______,
+        _______, _______, _______,
+        _______, _______, _______, _______,
+        _______, _______
+    ),
+    [_FN2] = LAYOUT(
+        _______, _______, _______, _______,
+        _______, _______, _______, _______,
+        _______, _______, _______,
+        _______, _______, _______, _______,
+        _______, _______
+    )
+};
diff --git a/keyboards/handwired/alpspad/keymaps/default/readme.md b/keyboards/handwired/alpspad/keymaps/default/readme.md
new file mode 100644
index 0000000000..936c7d123e
--- /dev/null
+++ b/keyboards/handwired/alpspad/keymaps/default/readme.md
@@ -0,0 +1 @@
+# The default keymap for alpspad
diff --git a/keyboards/handwired/alpspad/mcuconf.h b/keyboards/handwired/alpspad/mcuconf.h
new file mode 100644
index 0000000000..8d7a9bc3a8
--- /dev/null
+++ b/keyboards/handwired/alpspad/mcuconf.h
@@ -0,0 +1,36 @@
+//mcuconf.h
+#ifndef _MCUCONF_H_
+#define _MCUCONF_H_
+
+#define KL2x_MCUCONF
+
+/*
+ * HAL driver system settings.
+ */
+/* PEE mode - 48MHz system clock driven by (16 MHz) external crystal. */
+#define KINETIS_MCG_MODE            KINETIS_MCG_MODE_PEE
+#define KINETIS_PLLCLK_FREQUENCY    96000000UL
+#define KINETIS_SYSCLK_FREQUENCY    48000000UL
+
+/*
+ * SERIAL driver system settings.
+ */
+#define KINETIS_SERIAL_USE_UART0              TRUE
+
+/*
+ * USB driver settings
+ */
+#define KINETIS_USB_USE_USB0                  TRUE
+
+/* Need to redefine this, since the default (configured for K20x) might not apply
+ *   2 for Teensy LC
+ *   5 for Teensy 3.x */
+#define KINETIS_USB_USB0_IRQ_PRIORITY         2
+
+/*
+ * I2C driver settings
+ */
+#define KINETIS_I2C_USE_I2C0                TRUE
+#define KINETIS_I2C_I2C0_PRIORITY           4
+
+#endif /* _MCUCONF_H_ */
diff --git a/keyboards/handwired/alpspad/readme.md b/keyboards/handwired/alpspad/readme.md
new file mode 100644
index 0000000000..8733356f76
--- /dev/null
+++ b/keyboards/handwired/alpspad/readme.md
@@ -0,0 +1,54 @@
+# alpspad (handwired)
+
+*Custom handwired numpad.*
+
+* Keyboard Maintainer: steven-y-e
+* Hardware Supported: Teensy-LC
+* Hardware Availability: PJRC
+
+Make example for this keyboard (after setting up your build environment):
+
+    make alps_pad:default
+
+Flashing example for this keyboard:
+
+    make alps_pad: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).
+
+## Hardware
+
+### Pins
+When setting matrix pins, you need to use the MCU definitions instead of what is printed on the PCB. Sourced from <https://www.pjrc.com/teensy/schematic_lc.gif>. The following table can be used to convert between the two.
+
+|  PCB   | MCU | Notes |
+|------- |-----|-------|
+| 0      | B16 |       |
+| 1      | B17 |       |
+| 2      | D0  |       |
+| 3      | A1  |       |
+| 4      | A2  |       |
+| 5      | D7  |       |
+| 6      | D4  |       |
+| 7      | D2  |       |
+| 8      | D3  |       |
+| 9      | C3  |       |
+| 10     | C4  |       |
+| 11     | C6  |       |
+| 12     | C7  |       |
+| 13/LED | C5  |       |
+| 14/A0  | D1  |       |
+| 15/A1  | C0  |       |
+| 16/A2  | B0  |       |
+| 17/A3  | B1  |       |
+| 18/A4  | B3  |       |
+| 19/A5  | B2  |       |
+| 20/A6  | D5  |       |
+| 21/A7  | D6  |       |
+| 22/A8  | C1  |       |
+| 23/A9  | C2  |       |
+| 24/A10 | E2  |       |
+| 25/A11 | E21 | *[1]* |
+| 26/A12 | E30 | *[1]* |
+
+*[1]* - Currently not configured and may require extra work to implement.
diff --git a/keyboards/handwired/alpspad/rules.mk b/keyboards/handwired/alpspad/rules.mk
new file mode 100644
index 0000000000..9968c1c1c2
--- /dev/null
+++ b/keyboards/handwired/alpspad/rules.mk
@@ -0,0 +1,23 @@
+# MCU name
+MCU = MKL26Z64
+USE_CHIBIOS_CONTRIB = yes
+
+# Enter lower-power sleep mode when on the ChibiOS idle thread
+OPT_DEFS += -DCORTEX_ENABLE_WFI_IDLE=TRUE
+
+# Build Options
+#   change yes to no to disable
+#
+BOOTMAGIC_ENABLE = lite     # Virtual DIP switch configuration
+MOUSEKEY_ENABLE = yes       # Mouse keys
+EXTRAKEY_ENABLE = yes       # Audio control and System control
+CONSOLE_ENABLE = no         # Console for debug
+COMMAND_ENABLE = no         # Commands for debug and configuration
+# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
+SLEEP_LED_ENABLE = no       # Breathing sleep LED during USB suspend
+# if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
+NKRO_ENABLE = no            # USB Nkey Rollover
+BACKLIGHT_ENABLE = no       # Enable keyboard backlight functionality
+RGBLIGHT_ENABLE = no        # Enable keyboard RGB underglow
+BLUETOOTH_ENABLE = no       # Enable Bluetooth
+AUDIO_ENABLE = no           # Audio output