diff --git a/keyboards/era/sirind/tomak79h/config.h b/keyboards/era/sirind/tomak79h/config.h
new file mode 100644
index 0000000000..f04429bcd8
--- /dev/null
+++ b/keyboards/era/sirind/tomak79h/config.h
@@ -0,0 +1,15 @@
+// Copyright 2024 Hyojin Bak (@eerraa)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+/* Split configuration */
+#define USB_VBUS_PIN GP19
+#define SERIAL_USART_FULL_DUPLEX
+#define SERIAL_USART_TX_PIN GP0
+#define SERIAL_USART_RX_PIN GP1
+#define SERIAL_USART_PIN_SWAP
+
+/* Reset */
+#define RP2040_BOOTLOADER_DOUBLE_TAP_RESET
+#define RP2040_BOOTLOADER_DOUBLE_TAP_RESET_TIMEOUT 1000U
\ No newline at end of file
diff --git a/keyboards/era/sirind/tomak79h/keyboard.json b/keyboards/era/sirind/tomak79h/keyboard.json
new file mode 100644
index 0000000000..216250f850
--- /dev/null
+++ b/keyboards/era/sirind/tomak79h/keyboard.json
@@ -0,0 +1,393 @@
+{
+ "manufacturer": "SIRIND",
+ "keyboard_name": "Tomak79H",
+ "maintainer": "eerraa",
+ "bootloader": "rp2040",
+ "build": {
+ "debounce_type": "sym_defer_pk"
+ },
+ "diode_direction": "COL2ROW",
+ "features": {
+ "bootmagic": true,
+ "extrakey": true,
+ "mousekey": true,
+ "nkro": true,
+ "rgb_matrix": true
+ },
+ "matrix_pins": {
+ "cols": ["GP29", "GP9", "GP7", "GP6", "GP5", "GP4", "GP3", "GP2", null],
+ "rows": ["GP24", "GP8", "GP26", "GP25", "GP27", "GP28"]
+ },
+ "processor": "RP2040",
+ "rgb_matrix": {
+ "animations": {
+ "alphas_mods": true,
+ "band_pinwheel_sat": true,
+ "band_pinwheel_val": true,
+ "band_sat": true,
+ "band_spiral_sat": true,
+ "band_spiral_val": true,
+ "band_val": true,
+ "breathing": true,
+ "cycle_all": true,
+ "cycle_left_right": true,
+ "cycle_out_in": true,
+ "cycle_out_in_dual": true,
+ "cycle_pinwheel": true,
+ "cycle_spiral": true,
+ "cycle_up_down": true,
+ "digital_rain": true,
+ "dual_beacon": true,
+ "flower_blooming": true,
+ "gradient_left_right": true,
+ "gradient_up_down": true,
+ "hue_breathing": true,
+ "hue_pendulum": true,
+ "hue_wave": true,
+ "jellybean_raindrops": true,
+ "multisplash": true,
+ "pixel_flow": true,
+ "pixel_fractal": true,
+ "pixel_rain": true,
+ "rainbow_beacon": true,
+ "rainbow_moving_chevron": true,
+ "rainbow_pinwheels": true,
+ "raindrops": true,
+ "riverflow": true,
+ "solid_multisplash": true,
+ "solid_reactive": true,
+ "solid_reactive_cross": true,
+ "solid_reactive_multicross": true,
+ "solid_reactive_multinexus": true,
+ "solid_reactive_multiwide": true,
+ "solid_reactive_nexus": true,
+ "solid_reactive_simple": true,
+ "solid_reactive_wide": true,
+ "solid_splash": true,
+ "splash": true,
+ "starlight": true,
+ "starlight_dual_hue": true,
+ "starlight_dual_sat": true,
+ "typing_heatmap": true
+ },
+ "driver": "ws2812",
+ "layout": [
+ {"matrix": [0, 0], "x": 0, "y": 0, "flags": 1},
+ {"matrix": [0, 2], "x": 20, "y": 0, "flags": 4},
+ {"matrix": [0, 3], "x": 33, "y": 0, "flags": 4},
+ {"matrix": [0, 4], "x": 47, "y": 0, "flags": 4},
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+ {"matrix": [0, 6], "x": 80, "y": 0, "flags": 4},
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+ {"x": 224, "y": 53, "flags": 2},
+ {"x": 224, "y": 51, "flags": 2},
+ {"x": 224, "y": 49, "flags": 2},
+ {"x": 224, "y": 48, "flags": 2},
+ {"x": 224, "y": 46, "flags": 2},
+ {"x": 224, "y": 44, "flags": 2},
+ {"x": 224, "y": 43, "flags": 2},
+ {"x": 224, "y": 41, "flags": 2},
+ {"x": 224, "y": 39, "flags": 2}
+ ],
+ "sleep": true,
+ "split_count": [41, 55]
+ },
+ "split": {
+ "bootmagic": {
+ "matrix": [6, 0]
+ },
+ "enabled": true,
+ "handedness": {
+ "pin": "GP20"
+ },
+ "matrix_pins": {
+ "right": {
+ "cols": ["GP25", "GP24", "GP23", "GP22", "GP7", "GP6", "GP5", "GP4", "GP2"],
+ "rows": ["GP29", "GP28", "GP27", "GP26", "GP11", "GP3"]
+ }
+ },
+ "serial": {
+ "driver": "vendor"
+ },
+ "transport": {
+ "sync": {
+ "indicators": true,
+ "layer_state": true,
+ "matrix_state": true
+ }
+ }
+ },
+ "url": "",
+ "usb": {
+ "device_version": "1.0.0",
+ "pid": "0x0014",
+ "vid": "0x4552"
+ },
+ "ws2812": {
+ "driver": "vendor",
+ "pin": "GP17"
+ },
+ "layouts": {
+ "LAYOUT_all": {
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+ {"matrix": [5, 1], "x": 1.5, "y": 5.25},
+ {"matrix": [5, 2], "x": 2.5, "y": 5.25, "w": 1.5},
+ {"matrix": [5, 5], "x": 4.75, "y": 5.5, "w": 2.25},
+ {"matrix": [5, 6], "x": 7, "y": 5.5},
+ {"matrix": [11, 2], "x": 9.5, "y": 5.5, "w": 2.75},
+ {"matrix": [11, 4], "x": 13, "y": 5.25, "w": 1.5},
+ {"matrix": [11, 5], "x": 14.5, "y": 5.25},
+ {"matrix": [11, 6], "x": 15.75, "y": 5.5},
+ {"matrix": [11, 7], "x": 16.75, "y": 5.5},
+ {"matrix": [11, 8], "x": 17.75, "y": 5.5}
+ ]
+ }
+ }
+}
\ No newline at end of file
diff --git a/keyboards/era/sirind/tomak79h/keymaps/default/keymap.c b/keyboards/era/sirind/tomak79h/keymaps/default/keymap.c
new file mode 100644
index 0000000000..7b8a5b8a13
--- /dev/null
+++ b/keyboards/era/sirind/tomak79h/keymaps/default/keymap.c
@@ -0,0 +1,24 @@
+// Copyright 2024 Hyojin Bak (@eerraa)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include QMK_KEYBOARD_H
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+
+ [0] = LAYOUT_all(
+ KC_ESC, 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_F13, KC_PSCR,
+ KC_GRV, KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7, KC_7, KC_8, KC_9, KC_0, KC_MINS, KC_EQL, KC_BSPC, KC_BSPC, KC_INS,
+ KC_TAB, KC_Q, KC_W, KC_E, KC_R, KC_T, KC_Y, KC_Y, KC_U, KC_I, KC_O, KC_P, KC_LBRC, KC_RBRC, KC_BSLS, KC_DEL,
+ KC_CAPS, KC_A, KC_S, KC_D, KC_F, KC_G, KC_H, KC_H, KC_J, KC_K, KC_L, KC_SCLN, KC_QUOT, KC_ENT,
+ KC_LSFT, KC_Z, KC_X, KC_C, KC_V, KC_B, KC_B, KC_N, KC_M, KC_COMM, KC_DOT, KC_SLSH, KC_RSFT, KC_UP,
+ KC_LCTL, KC_LGUI, KC_LALT, KC_SPC, MO(1), KC_SPC, KC_RALT, MO(1), KC_LEFT, KC_DOWN, KC_RGHT
+ ),
+ [1] = LAYOUT_all(
+ QK_BOOT, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, QK_BOOT, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+ KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+ KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+ KC_TRNS, RGB_TOG, RGB_VAI, RGB_HUI, RGB_SAI, RGB_SPI, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+ KC_TRNS, RGB_MOD, RGB_VAD, RGB_HUD, RGB_SAD, RGB_SPD, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+ KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS
+ )
+};
\ No newline at end of file
diff --git a/keyboards/era/sirind/tomak79h/readme.md b/keyboards/era/sirind/tomak79h/readme.md
new file mode 100644
index 0000000000..528731ef12
--- /dev/null
+++ b/keyboards/era/sirind/tomak79h/readme.md
@@ -0,0 +1,27 @@
+# Tomak79H, Hotswap ver
+
+
+
+Ergonomics Split Keyboard powered by RP2040.
+
+* Keyboard Maintainer: [ERA](https://github.com/eerraa)
+* Hardware supported: SIRIND Tomak79
+* Hardware availability: [Syryan](https://srind.mysoho.com/)
+
+Make example for this keyboard (after setting up your build environment):
+
+ make era/sirind/tomak79h:default
+
+Flashing example for this keyboard:
+
+ make era/sirind/tomak79h: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:
+
+* **Bootmagic reset**: Hold down the 'top-left(ESC, F7)' key and plug in the keyboard.
+* **Physical reset**: Short the 'RESET' and 'GND' holes twice within one second, or plug in the keyboard with the 'BOOT' and 'GND' holes shorted.
+* **Keycode in layout**: Press the key mapped to `QK_BOOT` if it is available.
\ No newline at end of file
diff --git a/keyboards/era/sirind/tomak79h/tomak79h.c b/keyboards/era/sirind/tomak79h/tomak79h.c
new file mode 100644
index 0000000000..580a1ba68b
--- /dev/null
+++ b/keyboards/era/sirind/tomak79h/tomak79h.c
@@ -0,0 +1,16 @@
+// Copyright 2024 Hyojin Bak (@eerraa)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "quantum.h"
+
+bool rgb_matrix_indicators_kb(void) {
+ if (!rgb_matrix_indicators_user()) {
+ return false;
+ }
+ if (host_keyboard_led_state().caps_lock) {
+ for (uint8_t i = 87; i <= 95; i++) {
+ rgb_matrix_set_color(i, 0, 128, 128);
+ }
+ }
+ return true;
+}
\ No newline at end of file