diff --git a/a4_prepare.py b/a4_prepare.py
new file mode 100644
index 0000000..be2c61b
--- /dev/null
+++ b/a4_prepare.py
@@ -0,0 +1,100 @@
+import cv2
+import numpy as np
+import random
+import json
+
+# Загрузка изображения
+image = cv2.imread("a4keyboard_scan.jpg")
+gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)
+
+# Применяем адаптивный порог
+thresh = cv2.adaptiveThreshold(
+    gray, 255, cv2.ADAPTIVE_THRESH_GAUSSIAN_C, cv2.THRESH_BINARY_INV, 11, 2
+)
+
+# Находим контуры и собираем размеры прямоугольников
+rectangles = [
+    cv2.boundingRect(contour)
+    for contour in cv2.findContours(thresh, cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_SIMPLE)[
+        0
+    ]
+    if (cv2.boundingRect(contour)[2] > 20 and cv2.boundingRect(contour)[3] > 20)
+]
+
+# Вычисляем медианные размеры
+widths, heights = zip(*[(w, h) for _, _, w, h in rectangles])
+median_width, median_height = np.median(widths), np.median(heights)
+
+# Фильтрация прямоугольников по размеру
+filtered_rectangles = [
+    rect
+    for rect in rectangles
+    if 0.5 * median_width <= rect[2] <= 10 * median_width
+    and 0.5 * median_height <= rect[3] <= 10 * median_height
+]
+
+# Порог для тёмного фона
+darkness_threshold = 80
+filtered_rectangles_dark = [
+    rect
+    for rect in filtered_rectangles
+    if cv2.mean(gray[rect[1] : rect[1] + rect[3], rect[0] : rect[0] + rect[2]])[0]
+    < darkness_threshold
+]
+
+# Уменьшаем размеры и закрашиваем области
+padding = 8
+for x, y, w, h in filtered_rectangles_dark:
+    x_padded, y_padded = x + padding, y + padding
+    w_padded, h_padded = max(w - 2 * padding, 1), max(h - 2 * padding, 1)
+    roi = image[y_padded : y_padded + h_padded, x_padded : x_padded + w_padded]
+    mean_color = cv2.mean(roi)[:3]
+
+    # Генерация области с шумом
+    noise = np.random.uniform(-10, 10, roi.shape).astype(np.int16)
+    noisy_color = np.clip(np.array(mean_color, dtype=np.int16) + noise, 0, 255).astype(
+        np.uint8
+    )
+    image[y_padded : y_padded + h_padded, x_padded : x_padded + w_padded] = noisy_color
+
+# Масштабирование изображения и прямоугольников
+scale_factor = 0.65
+# image = cv2.resize(image, (image.shape[1] // 2, image.shape[0] // 2))
+image = cv2.resize(
+    image, None, fx=scale_factor, fy=scale_factor, interpolation=cv2.INTER_LINEAR
+)
+scaled_rectangles = [
+    (
+        int(x * scale_factor),
+        int(y * scale_factor),
+        int(w * scale_factor),
+        int(h * scale_factor),
+    )
+    for x, y, w, h in filtered_rectangles_dark
+]
+
+# Сортируем прямоугольники построчно
+row_tolerance = 10
+scaled_rectangles.sort(key=lambda rect: rect[1])
+
+rows = []
+current_row = [scaled_rectangles[0]]
+
+for rect in scaled_rectangles[1:]:
+    if abs(rect[1] - current_row[-1][1]) <= row_tolerance:
+        current_row.append(rect)
+    else:
+        rows.append(current_row)
+        current_row = [rect]
+
+rows.append(current_row)
+
+sorted_rectangles = [
+    rect for row in rows for rect in sorted(row, key=lambda rect: rect[0])
+]
+
+# Сохраняем изображение и данные прямоугольников
+cv2.imwrite("background_image.png", image)
+
+with open("rectangles.json", "w") as f:
+    json.dump(sorted_rectangles, f)
diff --git a/a4keyboard_scan.jpg b/a4keyboard_scan.jpg
new file mode 100644
index 0000000..d743a64
Binary files /dev/null and b/a4keyboard_scan.jpg differ
diff --git a/background_image.png b/background_image.png
new file mode 100644
index 0000000..fe2c72f
Binary files /dev/null and b/background_image.png differ
diff --git a/rectangles.json b/rectangles.json
new file mode 100644
index 0000000..5ae1f08
--- /dev/null
+++ b/rectangles.json
@@ -0,0 +1 @@
+[[21, 24, 66, 50], [168, 24, 65, 50], [240, 24, 66, 50], [313, 24, 66, 50], [386, 24, 66, 50], [495, 24, 66, 50], [570, 24, 65, 50], [642, 25, 65, 50], [715, 26, 65, 49], [826, 26, 65, 49], [898, 26, 65, 50], [971, 26, 65, 50], [1045, 26, 65, 50], [1136, 26, 65, 50], [1209, 25, 65, 50], [1282, 25, 66, 51], [22, 96, 65, 65], [95, 96, 65, 65], [168, 96, 65, 65], [241, 96, 65, 65], [313, 96, 65, 65], [386, 96, 66, 65], [459, 96, 66, 65], [532, 96, 66, 65], [606, 96, 65, 65], [679, 97, 65, 64], [752, 97, 65, 65], [825, 97, 65, 65], [898, 98, 65, 64], [971, 98, 138, 65], [1136, 97, 65, 65], [1209, 97, 66, 65], [1283, 97, 65, 65], [1376, 97, 65, 65], [1449, 97, 65, 65], [1522, 97, 65, 65], [1595, 96, 65, 65], [20, 169, 102, 65], [131, 169, 65, 65], [204, 169, 65, 64], [277, 169, 65, 64], [350, 169, 65, 65], [423, 169, 65, 65], [495, 169, 66, 65], [569, 169, 65, 65], [642, 170, 66, 64], [715, 170, 65, 65], [787, 170, 66, 65], [861, 170, 66, 64], [934, 170, 66, 64], [1008, 171, 102, 64], [1136, 170, 65, 65], [1209, 170, 65, 65], [1283, 170, 65, 65], [1376, 170, 65, 65], [1449, 170, 65, 65], [1522, 170, 65, 65], [1595, 170, 66, 137], [21, 241, 120, 65], [149, 241, 65, 65], [222, 242, 65, 65], [295, 242, 65, 65], [368, 242, 65, 65], [440, 241, 66, 66], [514, 242, 66, 65], [587, 242, 65, 65], [660, 243, 66, 65], [733, 243, 65, 65], [806, 243, 65, 64], [880, 243, 65, 64], [952, 243, 157, 65], [1376, 243, 65, 65], [1449, 243, 65, 65], [1522, 243, 66, 65], [20, 314, 157, 65], [185, 314, 66, 66], [258, 315, 65, 65], [331, 315, 65, 65], [403, 315, 66, 65], [477, 315, 66, 65], [549, 315, 66, 65], [622, 315, 66, 65], [696, 316, 66, 64], [769, 316, 65, 64], [843, 316, 65, 64], [915, 316, 194, 65], [1209, 316, 65, 65], [1376, 316, 65, 65], [1449, 316, 65, 65], [1522, 315, 65, 65], [1595, 315, 65, 137], [20, 387, 102, 65], [130, 388, 65, 65], [202, 388, 102, 65], [312, 388, 432, 66], [750, 389, 85, 65], [842, 390, 83, 64], [934, 390, 83, 64], [1025, 390, 84, 64], [1135, 389, 66, 65], [1209, 388, 66, 65], [1282, 389, 65, 65], [1376, 389, 138, 65], [1522, 389, 65, 65]]
\ No newline at end of file
diff --git a/speckb.py b/speckb.py
new file mode 100644
index 0000000..6a4b415
--- /dev/null
+++ b/speckb.py
@@ -0,0 +1,341 @@
+from tkinter import Tk, Canvas, font
+from PIL import Image, ImageTk
+import json
+import subprocess
+import pyperclip
+
+# Загрузка данных
+with open("rectangles.json", "r") as f:
+    rectangles = json.load(f)
+
+# Загрузка изображения
+pil_image = Image.open("background_image.png")
+
+# Создаём интерфейс Tkinter
+root = Tk()
+root.title("SFG Special Symbols Keyboard")
+
+# Запретить изменение размера окна
+root.resizable(False, False)
+
+# Создаём Canvas и устанавливаем фон
+canvas = Canvas(root, width=pil_image.width, height=pil_image.height)
+canvas.pack()
+tk_image = ImageTk.PhotoImage(pil_image)
+canvas.create_image(0, 0, anchor="nw", image=tk_image)
+
+key_map = {
+    0: "Esc",
+    1: "F1",
+    2: "F2",
+    3: "F3",
+    4: "F4",
+    5: "F5",
+    6: "F6",
+    7: "F7",
+    8: "F8",
+    9: "F9",
+    10: "F10",
+    11: "F11",
+    12: "F12",
+    13: "PrtSc",
+    14: "ScrL",
+    15: "Pause",
+    16: "`",
+    17: "1",
+    18: "2",
+    19: "3",
+    20: "4",
+    21: "5",
+    22: "6",
+    23: "7",
+    24: "8",
+    25: "9",
+    26: "0",
+    27: "-",
+    28: "=",
+    29: "Backspace",
+    30: "Ins",
+    31: "Home",
+    32: "PgUp",
+    33: "NumL",
+    34: "/.",
+    35: "*.",
+    36: "-.",
+    37: "Tab",
+    38: "q",
+    39: "w",
+    40: "e",
+    41: "r",
+    42: "t",
+    43: "y",
+    44: "u",
+    45: "i",
+    46: "o",
+    47: "p",
+    48: "[",
+    49: "]",
+    50: "\\",
+    51: "Del",
+    52: "End",
+    53: "PgDn",
+    54: "7.",
+    55: "8.",
+    56: "9.",
+    57: "+.",
+    58: "Caps",
+    59: "a",
+    60: "s",
+    61: "d",
+    62: "f",
+    63: "g",
+    64: "h",
+    65: "j",
+    66: "k",
+    67: "l",
+    68: ";",
+    69: "'",
+    70: "Enter",
+    71: "4.",
+    72: "5.",
+    73: "6.",
+    74: "ShiftL",
+    75: "z",
+    76: "x",
+    77: "c",
+    78: "v",
+    79: "b",
+    80: "n",
+    81: "m",
+    82: ",",
+    83: ".",
+    84: "/",
+    85: "ShiftR",
+    86: "↑",
+    87: "1.",
+    88: "2.",
+    89: "3.",
+    90: "Ret.",
+    91: "CtrlL",
+    92: "Win",
+    93: "Alt",
+    94: "Space",
+    95: "AltGr",
+    96: "Fn",
+    97: "Menu",
+    98: "CtrlR",
+    99: "←",
+    100: "↓",
+    101: "→",
+    102: "Ins.",
+    103: "Del.",
+}
+
+keycode_map = {
+    9: "Esc",
+    67: "F1",
+    68: "F2",
+    69: "F3",
+    70: "F4",
+    71: "F5",
+    72: "F6",
+    73: "F7",
+    74: "F8",
+    75: "F9",
+    76: "F10",
+    95: "F11",
+    96: "F12",
+    107: "PrtSc",
+    78: "ScrL",
+    127: "Pause",
+    49: "`",
+    10: "1",
+    11: "2",
+    12: "3",
+    13: "4",
+    14: "5",
+    15: "6",
+    16: "7",
+    17: "8",
+    18: "9",
+    19: "0",
+    20: "-",
+    21: "=",
+    22: "Backspace",
+    118: "Ins",
+    110: "Home",
+    112: "PgUp",
+    77: "NumL",
+    106: "/.",
+    63: "*.",
+    82: "-.",
+    23: "Tab",
+    24: "q",
+    25: "w",
+    26: "e",
+    27: "r",
+    28: "t",
+    29: "y",
+    30: "u",
+    31: "i",
+    32: "o",
+    33: "p",
+    34: "[",
+    35: "]",
+    51: "\\",
+    119: "Del",
+    115: "End",
+    117: "PgDn",
+    79: "7.",
+    80: "8.",
+    81: "9.",
+    86: "+.",
+    66: "Caps",
+    38: "a",
+    39: "s",
+    40: "d",
+    41: "f",
+    42: "g",
+    43: "h",
+    44: "j",
+    45: "k",
+    46: "l",
+    47: ";",
+    48: "'",
+    36: "Enter",
+    83: "4.",
+    84: "5.",
+    85: "6.",
+    50: "ShiftL",
+    52: "z",
+    53: "x",
+    54: "c",
+    55: "v",
+    56: "b",
+    57: "n",
+    58: "m",
+    59: ",",
+    60: ".",
+    61: "/",
+    62: "ShiftR",
+    111: "↑",
+    87: "1.",
+    88: "2.",
+    89: "3.",
+    104: "Ret.",
+    37: "CtrlL",
+    133: "Win",
+    64: "Alt",
+    65: "Space",
+    108: "AltGr",
+    105: "CtrlR",
+    113: "←",
+    116: "↓",
+    114: "→",
+    118: "Ins",
+    119: "Del",
+    90: "Ins.",
+    91: "Del.",
+    135: "Menu",
+}
+
+# Словарь специальных символов для физики и математики
+special_symbols = {
+    "q": "∞",  # Бесконечность
+    "w": "∑",  # Сумма
+    "e": "∫",  # Интеграл
+    "r": "√",  # Корень
+    "t": "∂",  # Частная производная
+    "y": "≈",  # Приблизительно равно
+    "u": "≥",  # Больше или равно
+    "i": "≤",  # Меньше или равно
+    "o": "⊕",  # Прямое суммирование
+    "p": "±",  # Плюс-минус
+    "[": "→",  # Стрелка вправо
+    "]": "←",  # Стрелка влево
+    "a": "⊗",  # Тензорное произведение
+    "s": "∝",  # Пропорционально
+    "d": "≠",  # Не равно
+    "f": "∃",  # Существует
+    "g": "∀",  # Для всех
+    "h": "∈",  # Принадлежит
+    "j": "∉",  # Не принадлежит
+    "k": "⊂",  # Подмножество
+    "l": "⊃",  # Надмножество
+    ";": "∩",  # Пересечение
+    "'": "∪",  # Объединение
+    "z": "∧",  # Логическое И
+    "x": "∨",  # Логическое ИЛИ
+    "c": "¬",  # Логическое НЕ
+    "v": "∴",  # Следовательно
+    "b": "∠",  # Угол
+    "n": "°",  # Градусы
+    "m": "∥",  # Параллельность
+    ",": "≅",  # Конгруэнтность
+    ".": "∂",  # Частная производная (дублируем для удобства)
+    "/": "÷",  # Деление
+}
+
+
+# Словарь для отслеживания подсветки
+highlighted_rects = {}
+
+# Создаём текстовые подписи для клавиш
+padding = 8
+sym_font = font.Font(family="Arial", size=12, weight="bold", slant="roman")
+spec_font = font.Font(family="Arial", size=18, weight="bold", slant="roman")
+
+for i, (x, y, w, h) in enumerate(rectangles):
+    key_label = key_map.get(i, f"Key {i}")
+    special_symbol = special_symbols.get(key_label, "")
+
+    rect_id = canvas.create_rectangle(x, y, x + w, y + h, outline="black", width=0)
+
+    spec_id = canvas.create_text(
+        x + padding + (w - 2 * padding) // 2,
+        y + padding + (h - 2 * padding) // 2,
+        text=special_symbol,
+        font=spec_font,
+        fill="white",
+    )
+
+    text_id = canvas.create_text(
+        x + padding,  # Смещение на 5 пикселей от левого края
+        y + padding,  # Смещение на 5 пикселей от верхнего края
+        text=key_label,
+        font=sym_font,
+        fill="#777777",
+        anchor="nw",  # Выравнивание текста по верхнему левому углу
+    )
+    highlighted_rects[key_label] = rect_id
+
+
+# Обработчик нажатия клавиши
+def on_key_press(event):
+    key = keycode_map.get(event.keycode)
+    if key in highlighted_rects:
+        # Подсветка клавиши
+        canvas.itemconfig(highlighted_rects[key], outline="red", width=4)
+
+
+# Обработчик отпускания клавиши
+def on_key_release(event):
+    print(event.keycode)
+    key = keycode_map.get(event.keycode)
+    special_symbol = special_symbols.get(key)
+    if key in highlighted_rects:
+        # Убираем подсветку клавиши
+        canvas.itemconfig(highlighted_rects[key], outline="white", width=2)
+
+    if special_symbol:
+        pyperclip.copy(special_symbol)  # Копируем символ в буфер обмена
+        root.after(100, root.destroy)  # Закрываем программу через 100 мс
+        subprocess.Popen(["bash", "-c", "sleep 0.12 ; xdotool key Ctrl+v"])
+
+
+# Привязываем обработчики к окну
+root.bind("<KeyPress>", on_key_press)
+root.bind("<KeyRelease>", on_key_release)
+
+# Запускаем интерфейс
+root.mainloop()