[Keyboard] New Keyboard: handwired/jtallbean/split_65 (#8275)

* New keyboard: split_65

* Updated readme

* Update with requested changes

* Add writePinLow to prevent flickering

* Renamed LAYOUT to LAYOUT_all

9 files changed, 540 insertions, 0 deletions

diff --git a/keyboards/handwired/jtallbean/readme.md b/keyboards/handwired/jtallbean/readme.md
new file mode 100644
index 0000000000..04380d9105
--- /dev/null
+++ b/keyboards/handwired/jtallbean/readme.md
@@ -0,0 +1,4 @@
+# jtallbean
+QMK folders for relevant boards:
+
+split_65
diff --git a/keyboards/handwired/jtallbean/split_65/config.h b/keyboards/handwired/jtallbean/split_65/config.h
new file mode 100644
index 0000000000..a2c8d22bf7
--- /dev/null
+++ b/keyboards/handwired/jtallbean/split_65/config.h
@@ -0,0 +1,255 @@
+/*
+Copyright 2020 jtallbean
+
+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 0xFEED
+#define PRODUCT_ID 0x0000
+#define DEVICE_VER 0x0001
+#define MANUFACTURER jtallbean
+#define PRODUCT split_65
+#define DESCRIPTION Split ergonomic keyboard
+
+/* key matrix size */
+#define MATRIX_ROWS 10 // Double rows for split keyboards. split_65 has 5, so define 10
+#define MATRIX_COLS 9
+
+/*
+ * 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_ROW_PINS { F4, F1, F0, C7, B6 }
+#define MATRIX_COL_PINS { C6, B5, B4, D7, D6, D4, D2, D3, B7 } // B7 is not actually used, but it is needed since # of entries must equal 9
+#define MATRIX_ROW_PINS_RIGHT { E6, F0, F1, F7, D7 }
+#define MATRIX_COL_PINS_RIGHT { B4, B5, B6, C6, C7, D4, D6, D3, D2 }
+#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 SPLIT_HAND_PIN D5
+
+// #define BACKLIGHT_PIN B7
+// #define BACKLIGHT_BREATHING
+// #define BACKLIGHT_LEVELS 3
+
+// #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 userful 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
+
+/*
+ * Magic Key Options
+ *
+ * Magic keys are hotkey commands that allow control over firmware functions of
+ * the keyboard. They are best used in combination with the HID Listen program,
+ * found here: https://www.pjrc.com/teensy/hid_listen.html
+ *
+ * The options below allow the magic key functionality to be changed. This is
+ * useful if your keyboard/keypad is missing keys and you want magic key support.
+ *
+ */
+
+/* key combination for magic key command */
+/* defined by default; to change, uncomment and set to the combination you want */
+// #define IS_COMMAND() (get_mods() == MOD_MASK_SHIFT)
+
+/* control how magic key switches layers */
+//#define MAGIC_KEY_SWITCH_LAYER_WITH_FKEYS  true
+//#define MAGIC_KEY_SWITCH_LAYER_WITH_NKEYS  true
+//#define MAGIC_KEY_SWITCH_LAYER_WITH_CUSTOM false
+
+/* override magic key keymap */
+//#define MAGIC_KEY_SWITCH_LAYER_WITH_FKEYS
+//#define MAGIC_KEY_SWITCH_LAYER_WITH_NKEYS
+//#define MAGIC_KEY_SWITCH_LAYER_WITH_CUSTOM
+//#define MAGIC_KEY_HELP           H
+//#define MAGIC_KEY_HELP_ALT       SLASH
+//#define MAGIC_KEY_DEBUG          D
+//#define MAGIC_KEY_DEBUG_MATRIX   X
+//#define MAGIC_KEY_DEBUG_KBD      K
+//#define MAGIC_KEY_DEBUG_MOUSE    M
+//#define MAGIC_KEY_VERSION        V
+//#define MAGIC_KEY_STATUS         S
+//#define MAGIC_KEY_CONSOLE        C
+//#define MAGIC_KEY_LAYER0         0
+//#define MAGIC_KEY_LAYER0_ALT     GRAVE
+//#define MAGIC_KEY_LAYER1         1
+//#define MAGIC_KEY_LAYER2         2
+//#define MAGIC_KEY_LAYER3         3
+//#define MAGIC_KEY_LAYER4         4
+//#define MAGIC_KEY_LAYER5         5
+//#define MAGIC_KEY_LAYER6         6
+//#define MAGIC_KEY_LAYER7         7
+//#define MAGIC_KEY_LAYER8         8
+//#define MAGIC_KEY_LAYER9         9
+//#define MAGIC_KEY_BOOTLOADER     B
+//#define MAGIC_KEY_BOOTLOADER_ALT ESC
+//#define MAGIC_KEY_LOCK           CAPS
+//#define MAGIC_KEY_EEPROM         E
+//#define MAGIC_KEY_EEPROM_CLEAR   BSPACE
+//#define MAGIC_KEY_NKRO           N
+//#define MAGIC_KEY_SLEEP_LED      Z
+
+/*
+ * 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 */
+#ifndef LINK_TIME_OPTIMIZATION_ENABLE
+  #define NO_ACTION_MACRO
+  #define NO_ACTION_FUNCTION
+#endif
+/*
+ * MIDI options
+ */
+
+/* Prevent use of disabled MIDI features in the keymap */
+//#define MIDI_ENABLE_STRICT 1
+
+/* enable basic MIDI features:
+   - MIDI notes can be sent when in Music mode is on
+*/
+//#define MIDI_BASIC
+
+/* enable advanced MIDI features:
+   - MIDI notes can be added to the keymap
+   - Octave shift and transpose
+   - Virtual sustain, portamento, and modulation wheel
+   - etc.
+*/
+//#define MIDI_ADVANCED
+
+/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
+//#define MIDI_TONE_KEYCODE_OCTAVES 1
+
+/*
+ * HD44780 LCD Display Configuration
+ */
+/*
+#define LCD_LINES           2     //< number of visible lines of the display
+#define LCD_DISP_LENGTH    16     //< visibles characters per line of the display
+
+#define LCD_IO_MODE      1            //< 0: memory mapped mode, 1: IO port mode
+
+#if LCD_IO_MODE
+#define LCD_PORT         PORTB        //< port for the LCD lines
+#define LCD_DATA0_PORT   LCD_PORT     //< port for 4bit data bit 0
+#define LCD_DATA1_PORT   LCD_PORT     //< port for 4bit data bit 1
+#define LCD_DATA2_PORT   LCD_PORT     //< port for 4bit data bit 2
+#define LCD_DATA3_PORT   LCD_PORT     //< port for 4bit data bit 3
+#define LCD_DATA0_PIN    4            //< pin for 4bit data bit 0
+#define LCD_DATA1_PIN    5            //< pin for 4bit data bit 1
+#define LCD_DATA2_PIN    6            //< pin for 4bit data bit 2
+#define LCD_DATA3_PIN    7            //< pin for 4bit data bit 3
+#define LCD_RS_PORT      LCD_PORT     //< port for RS line
+#define LCD_RS_PIN       3            //< pin  for RS line
+#define LCD_RW_PORT      LCD_PORT     //< port for RW line
+#define LCD_RW_PIN       2            //< pin  for RW line
+#define LCD_E_PORT       LCD_PORT     //< port for Enable line
+#define LCD_E_PIN        1            //< pin  for Enable line
+#endif
+*/
+
+/* Bootmagic Lite key configuration */
+// #define BOOTMAGIC_LITE_ROW 0
+// #define BOOTMAGIC_LITE_COLUMN 0
diff --git a/keyboards/handwired/jtallbean/split_65/info.json b/keyboards/handwired/jtallbean/split_65/info.json
new file mode 100644
index 0000000000..5b19daa96e
--- /dev/null
+++ b/keyboards/handwired/jtallbean/split_65/info.json
@@ -0,0 +1,88 @@
+{
+    "keyboard_name": "split_65",
+    "url": "",
+    "maintainer": "jtallbean",
+    "width": 18.25,
+    "height": 5,
+    "layouts": {
+        "LAYOUT_all": {
+            "layout": [
+                {"x":0, "y":0},
+                {"label":"Esc", "x":1.25, "y":0},
+                {"label":"!", "x":2.25, "y":0},
+                {"label":"@", "x":3.25, "y":0},
+                {"label":"#", "x":4.25, "y":0},
+                {"label":"$", "x":5.25, "y":0},
+                {"label":"%", "x":6.25, "y":0},
+                {"label":"^", "x":7.25, "y":0},
+                {"label":"&", "x":9.25, "y":0},
+                {"label":"*", "x":10.25, "y":0},
+                {"label":"(", "x":11.25, "y":0},
+                {"label":")", "x":12.25, "y":0},
+                {"label":"_", "x":13.25, "y":0},
+                {"label":"+", "x":14.25, "y":0},
+                {"label":"~", "x":15.25, "y":0},
+                {"label":"Back", "x":16.25, "y":0},
+                {"label":"Insert", "x":17.25, "y":0},
+                {"label":"PgUp", "x":0, "y":1},
+                {"label":"Tab", "x":1.25, "y":1, "w":1.5},
+                {"label":"Q", "x":2.75, "y":1},
+                {"label":"W", "x":3.75, "y":1},
+                {"label":"E", "x":4.75, "y":1},
+                {"label":"R", "x":5.75, "y":1},
+                {"label":"T", "x":6.75, "y":1},
+                {"label":"Y", "x":8.75, "y":1},
+                {"label":"U", "x":9.75, "y":1},
+                {"label":"I", "x":10.75, "y":1},
+                {"label":"O", "x":11.75, "y":1},
+                {"label":"P", "x":12.75, "y":1},
+                {"label":"{", "x":13.75, "y":1},
+                {"label":"}", "x":14.75, "y":1},
+                {"label":"|", "x":15.75, "y":1, "w":1.5},
+                {"label":"Delete", "x":17.25, "y":1},
+                {"label":"PgDn", "x":0, "y":2},
+                {"label":"Caps Lock", "x":1.25, "y":2, "w":1.75},
+                {"label":"A", "x":3, "y":2},
+                {"label":"S", "x":4, "y":2},
+                {"label":"D", "x":5, "y":2},
+                {"label":"F", "x":6, "y":2},
+                {"label":"G", "x":7, "y":2},
+                {"label":"H", "x":9, "y":2},
+                {"label":"J", "x":10, "y":2},
+                {"label":"K", "x":11, "y":2},
+                {"label":"L", "x":12, "y":2},
+                {"label":":", "x":13, "y":2},
+                {"label":"\"", "x":14, "y":2},
+                {"label":"Enter", "x":15, "y":2, "w":2.25},
+                {"label":"Home", "x":17.25, "y":2},
+                {"label":"Fn", "x":0, "y":3},
+                {"label":"Shift", "x":1.25, "y":3, "w":2.25},
+                {"label":"Z", "x":3.5, "y":3},
+                {"label":"X", "x":4.5, "y":3},
+                {"label":"C", "x":5.5, "y":3},
+                {"label":"V", "x":6.5, "y":3},
+                {"label":"B", "x":7.5, "y":3},
+                {"label":"N", "x":9.5, "y":3},
+                {"label":"M", "x":10.5, "y":3},
+                {"label":"<", "x":11.5, "y":3},
+                {"label":">", "x":12.5, "y":3},
+                {"label":"?", "x":13.5, "y":3},
+                {"label":"Shift", "x":14.5, "y":3, "w":1.75},
+                {"label":"\u2191", "x":16.25, "y":3},
+                {"label":"End", "x":17.25, "y":3},
+                {"label":"Code", "x":0, "y":4},
+                {"label":"Ctrl", "x":1.25, "y":4, "w":1.25},
+                {"label":"Win", "x":2.5, "y":4, "w":1.25},
+                {"label":"Alt", "x":3.75, "y":4, "w":1.25},
+                {"x":5, "y":4, "w":2.75},
+                {"x":8.75, "y":4, "w":2.25},
+                {"label":"Alt", "x":11, "y":4, "w":1.25},
+                {"label":"Win", "x":12.25, "y":4, "w":1.25},
+                {"label":"Ctrl", "x":13.5, "y":4, "w":1.25},
+                {"label":"\u2190", "x":15.25, "y":4},
+                {"label":"\u2193", "x":16.25, "y":4},
+                {"label":"\u2192", "x":17.25, "y":4}
+            ]
+        }
+    }
+}
diff --git a/keyboards/handwired/jtallbean/split_65/keymaps/default/keymap.c b/keyboards/handwired/jtallbean/split_65/keymaps/default/keymap.c
new file mode 100644
index 0000000000..24b9950b67
--- /dev/null
+++ b/keyboards/handwired/jtallbean/split_65/keymaps/default/keymap.c
@@ -0,0 +1,50 @@
+/* Copyright 2020 jtallbean
+ *
+ * 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,
+    _DN,
+    _UP
+};
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+    /* Base */
+    [_BASE] = LAYOUT_all(
+      KC_NO,   KC_ESC,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_MINS, KC_EQL,  KC_GRV,  KC_BSPC, KC_INS,
+      KC_PGUP, KC_TAB,           KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    KC_LBRC, KC_RBRC, KC_BSLS, KC_DEL,
+      KC_PGDN, KC_CAPS,          KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,    KC_J,    KC_K,    KC_L,    KC_SCLN, KC_QUOT,          KC_ENT,  KC_HOME,
+      MO(_UP), KC_LSFT,          KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_RSFT,          KC_UP,   KC_END,
+      MO(_DN), KC_LCTL,          KC_LGUI, KC_LALT, KC_SPC,                    KC_SPC,           KC_RALT, KC_RGUI, KC_RCTL, KC_LEFT,          KC_DOWN, KC_RGHT
+    ),
+    /* Down */
+    [_DN] = LAYOUT_all(
+      _______, KC_GRV,  KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,  _______, _______, KC_MUTE,
+      _______, _______,          _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, KC_VOLU,
+      _______, _______,          _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,          _______, KC_VOLD,
+      _______, _______,          _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,          _______, _______,
+      _______, _______,          _______, _______, _______,                   _______,          _______, _______, _______, _______,          _______, _______
+    ),
+    /* Up */
+    [_UP] = LAYOUT_all(
+      _______, _______, _______, _______, _______, _______, _______, _______, KC_P7,   KC_P8,   KC_P9,   _______, _______, _______, _______, _______, KC_MPLY,
+      _______, _______,          _______, _______, _______, _______, _______, _______, KC_P4,   KC_P5,   KC_P6,   _______, _______, _______, _______, KC_MNXT,
+      _______, _______,          _______, _______, _______, _______, _______, _______, KC_P1,   KC_P2,   KC_P3,   _______, _______,          _______, KC_MPRV,
+      _______, _______,          _______, _______, _______, _______, _______, _______, KC_P0,   _______, _______, _______, _______,          _______, KC_MSTP,
+      _______, _______,          _______, _______, _______,                   KC_P0,            _______, _______, _______, _______,          _______, _______
+    ),
+};
diff --git a/keyboards/handwired/jtallbean/split_65/keymaps/default/readme.md b/keyboards/handwired/jtallbean/split_65/keymaps/default/readme.md
new file mode 100644
index 0000000000..1c978e28d7
--- /dev/null
+++ b/keyboards/handwired/jtallbean/split_65/keymaps/default/readme.md
@@ -0,0 +1,5 @@
+![split_65 layout image](https://i.imgur.com/LwyZlQo.png)
+
+# The default keymap for split_65
+
+This is the default layout that comes flashed on the split_65
diff --git a/keyboards/handwired/jtallbean/split_65/readme.md b/keyboards/handwired/jtallbean/split_65/readme.md
new file mode 100644
index 0000000000..0f7dd0149c
--- /dev/null
+++ b/keyboards/handwired/jtallbean/split_65/readme.md
@@ -0,0 +1,15 @@
+# split_65
+
+![split_65](https://i.imgur.com/hUTqwmv.png)
+
+split_65 is a split, 65% layout keyboard with left function column designed for improved ergonomics and comfort.
+
+* Keyboard Maintainer: [jtallbean](https://github.com/samlli)
+* Hardware Supported: split_65
+* Hardware Availability: N/A
+
+Make example for this keyboard (after setting up your build environment):
+
+    make handwired/jtallbean/split_65: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/handwired/jtallbean/split_65/rules.mk b/keyboards/handwired/jtallbean/split_65/rules.mk
new file mode 100644
index 0000000000..d868f5e77f
--- /dev/null
+++ b/keyboards/handwired/jtallbean/split_65/rules.mk
@@ -0,0 +1,33 @@
+# MCU name
+MCU = atmega32u4
+
+# Bootloader selection
+#   Teensy       halfkay
+#   Pro Micro    caterina
+#   Atmel DFU    atmel-dfu
+#   LUFA DFU     lufa-dfu
+#   QMK DFU      qmk-dfu
+#   ATmega32A    bootloadHID
+#   ATmega328P   USBasp
+BOOTLOADER = atmel-dfu
+
+# Build Options
+#   change yes to no to disable
+#
+BOOTMAGIC_ENABLE = no       # Virtual DIP switch configuration
+MOUSEKEY_ENABLE = yes       # Mouse keys
+EXTRAKEY_ENABLE = yes       # Audio control and System control
+CONSOLE_ENABLE = yes        # Console for debug
+COMMAND_ENABLE = yes        # 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
+MIDI_ENABLE = no            # MIDI support
+BLUETOOTH_ENABLE = no       # Enable Bluetooth with the Adafruit EZ-Key HID
+AUDIO_ENABLE = no           # Audio output on port C6
+FAUXCLICKY_ENABLE = no      # Use buzzer to emulate clicky switches
+HD44780_ENABLE = no         # Enable support for HD44780 based LCDs
+SPLIT_KEYBOARD = yes        # Enable split keyboard support
diff --git a/keyboards/handwired/jtallbean/split_65/split_65.c b/keyboards/handwired/jtallbean/split_65/split_65.c
new file mode 100644
index 0000000000..09a4086fbc
--- /dev/null
+++ b/keyboards/handwired/jtallbean/split_65/split_65.c
@@ -0,0 +1,43 @@
+/* Copyright 2020 jtallbean
+ *
+ * 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 "split_65.h"
+
+// Optional override functions below.
+// You can leave any or all of these undefined.
+// These are only required if you want to perform custom actions.
+
+void matrix_init_kb(void) {
+    // put your keyboard start-up code here
+    // runs once when the firmware starts up
+
+    // Set our LED pins as output
+    setPinOutput(B0);
+    writePinLow(B0);
+
+    matrix_init_user();
+}
+
+bool led_update_kb(led_t led_state) {
+    // put your keyboard LED indicator (ex: Caps Lock LED) toggling code here
+
+    bool res = led_update_user(led_state);
+    if(res) {
+        // writePin sets the pin high for 1 and low for 0.
+        writePin(B0, led_state.caps_lock);
+    }
+    return res;
+}
diff --git a/keyboards/handwired/jtallbean/split_65/split_65.h b/keyboards/handwired/jtallbean/split_65/split_65.h
new file mode 100644
index 0000000000..8884c5cece
--- /dev/null
+++ b/keyboards/handwired/jtallbean/split_65/split_65.h
@@ -0,0 +1,47 @@
+/* Copyright 2020 jtallbean
+ *
+ * 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"
+
+/* 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.
+ */
+ #define LAYOUT_all( \
+   L00, L01, L02, L03, L04, L05, L06, L07, R00, R01, R02, R03, R04, R05, R06, R07, R08, \
+   L10, L11,      L13, L14, L15, L16, L17, R10, R11, R12, R13, R14, R15, R16, R17, R18, \
+   L20, L21,      L23, L24, L25, L26, L27, R20, R21, R22, R23, R24, R25,      R27, R28, \
+   L30, L31,      L33, L34, L35, L36, L37, R30, R31, R32, R33, R34, R35,      R37, R38, \
+   L40, L41,      L43, L44, L45,           R40,      R42, R43, R44, R45,      R47, R48  \
+ ) \
+ { \
+   { L00,   L01,   L02,   L03,   L04,   L05,   L06,   L07,   KC_NO}, \
+   { L10,   L11,   KC_NO, L13,   L14,   L15,   L16,   L17,   KC_NO}, \
+   { L20,   L21,   KC_NO, L23,   L24,   L25,   L26,   L27,   KC_NO}, \
+   { L30,   L31,   KC_NO, L33,   L34,   L35,   L36,   L37,   KC_NO}, \
+   { L40,   L41,   KC_NO, L43,   L44,   L45,   KC_NO, KC_NO, KC_NO}, \
+   { R00,   R01,   R02,   R03,   R04,   R05,   R06,   R07,   R08  }, \
+   { R10,   R11,   R12,   R13,   R14,   R15,   R16,   R17,   R18  }, \
+   { R20,   R21,   R22,   R23,   R24,   R25,   KC_NO, R27,   R28  }, \
+   { R30,   R31,   R32,   R33,   R34,   R35,   KC_NO, R37,   R38  }, \
+   { R40,   KC_NO, R42,   R43,   R44,   R45,   KC_NO, R47,   R48  }  \
+ }