Add copyright dependency information

examples/Unit/ACCEL_ADXL345/ACCEL_ADXL345.ino

@@ -1,14 +1,23 @@
 /*
-    Description: Read ACCEL Unit three-axis acceleration
-    Please install library before compiling:
-    Arduino-ADXL345: https://github.com/jakalada/Arduino-ADXL345
-*/
+ * SPDX-FileCopyrightText: 2025 M5Stack Technology CO LTD
+ *
+ * SPDX-License-Identifier: MIT
+ */
+/*
+ * @Hardwares: M5Core + Unit Accel
+ * @Platform Version: Arduino M5Stack Board Manager v2.1.3
+ * @Dependent Library:
+ * M5Stack@^0.4.6: https://github.com/m5stack/M5Stack
+ * Arduino-ADXL345: https://github.com/jakalada/Arduino-ADXL345
+ */
+
 #include <M5Stack.h>
 #include <ADXL345.h>
 
 ADXL345 accel(ADXL345_ALT);
 
-void setup() {
+void setup()
+{
     // put your setup code here, to run once:
     M5.begin();
     M5.Power.begin();
@@ -72,7 +81,8 @@ void setup() {
     }
 }
 
-void loop() {
+void loop()
+{
     // put your main code here, to run repeatedly:
     if (accel.update()) {
         M5.Lcd.fillRect(0, 130, 360, 30, BLACK);

examples/Unit/ANGLE/ANGLE.ino

@@ -1,42 +1,36 @@
 /*
-*******************************************************************************
-* Copyright (c) 2023 by M5Stack
-*                  Equipped with M5Core sample source code
-*                          配套  M5Core 示例源代码
-* Visit for more information: https://docs.m5stack.com/en/core/gray
-* 获取更多资料请访问: https://docs.m5stack.com/zh_CN/core/gray
-*
-* Describe: Angle.  角度计
-* Date: 2021/8/9
-*******************************************************************************
-  Description: Read the Angle of the angometer and convert it to digital display
-  读取角度计的角度，并转换为数字量显示
-*/
+ * SPDX-FileCopyrightText: 2025 M5Stack Technology CO LTD
+ *
+ * SPDX-License-Identifier: MIT
+ */
+/*
+ * @Hardwares: M5Core + Unit Angle
+ * @Platform Version: Arduino M5Stack Board Manager v2.1.3
+ * @Dependent Library:
+ * M5Stack@^0.4.6: https://github.com/m5stack/M5Stack
+ */
 
 #include <M5Stack.h>
-int sensorPin =
-    36;  // set the input pin for the potentiometer.  设置角度计的输入引脚
 
-int last_sensorValue =
-    100;  // Stores the value last read by the sensor.  存储传感器上次读取到的值
-int cur_sensorValue = 0;  // Stores the value currently read by the sensor.
-                          // 存储传感器当前读取到的值
+int sensorPin        = 36;   // set the input pin for the potentiometer.  设置角度计的输入引脚
+int last_sensorValue = 100;  // Stores the value last read by the sensor.  存储传感器上次读取到的值
+int cur_sensorValue  = 0;    // Stores the value currently read by the sensor.
+                             // 存储传感器当前读取到的值
 
-void setup() {
-    M5.begin();        // Init M5Stack.  初始化M5Stack
-    M5.Power.begin();  // Init power  初始化电源模块
-    pinMode(
-        sensorPin,
-        INPUT);  // Sets the specified pin to input mode. 设置指定引脚为输入模式
+void setup()
+{
+    M5.begin();                 // Init M5Stack.  初始化M5Stack
+    M5.Power.begin();           // Init power  初始化电源模块
+    pinMode(sensorPin, INPUT);  // Sets the specified pin to input mode. 设置指定引脚为输入模式
     dacWrite(25, 0);
     M5.Lcd.setTextSize(2);  // Set the font size to 2.  设置字体大小为2
     M5.Lcd.print("the value of ANGLE: ");
 }
 
-void loop() {
-    cur_sensorValue = analogRead(
-        sensorPin);  // read the value from the sensor.  读取当前传感器的值
-    M5.Lcd.setCursor(0, 25);  // Place the cursor at (0,25).  将光标固定在(0,25)
+void loop()
+{
+    cur_sensorValue = analogRead(sensorPin);             // read the value from the sensor.  读取当前传感器的值
+    M5.Lcd.setCursor(0, 25);                             // Place the cursor at (0,25).  将光标固定在(0,25)
     if (abs(cur_sensorValue - last_sensorValue) > 10) {  // debaunce
         M5.Lcd.fillRect(0, 25, 100, 25, BLACK);
         M5.Lcd.print(cur_sensorValue);

examples/Unit/Angle8/Angle8.ino

@@ -1,3 +1,17 @@
+/*
+ * SPDX-FileCopyrightText: 2025 M5Stack Technology CO LTD
+ *
+ * SPDX-License-Identifier: MIT
+ */
+/*
+ * @Hardwares: M5Core + Unit 8Angle
+ * @Platform Version: Arduino M5Stack Board Manager v2.1.3
+ * @Dependent Library:
+ * M5GFX@^0.2.3: https://github.com/m5stack/M5GFX
+ * M5Unified@^0.2.2: https://github.com/m5stack/M5Unified
+ * M5Unit-8Angle：https://github.com/m5stack/M5Unit-8Angle
+ */
+
 #include <M5Unified.h>
 #include <M5GFX.h>
 #include "M5_ANGLE8.h"
@@ -8,7 +22,8 @@ M5_ANGLE8 angle8;
 
 uint32_t rgb_c = 0;
 
-void print_adc_val(uint8_t i, uint16_t adc_v) {
+void print_adc_val(uint8_t i, uint16_t adc_v)
+{
     canvas.drawRect(0, i * 20, 200, 15, 1);
     canvas.fillRect(0, i * 20, map(adc_v, 0, 4096, 0, 200), 15, 1);
     canvas.setCursor(215, i * 20);
@@ -17,7 +32,8 @@ void print_adc_val(uint8_t i, uint16_t adc_v) {
 }
 
 // ADC 12 Bit
-void TaskADC12(uint16_t delay_t) {
+void TaskADC12(uint16_t delay_t)
+{
     canvas.createSprite(display.width(), 160);
     canvas.fillSprite(0);
     uint16_t adc_v = 0;
@@ -30,7 +46,8 @@ void TaskADC12(uint16_t delay_t) {
 }
 
 // Breathing RGBLED
-void TaskRGBLED_1(uint8_t br, uint16_t delay_t) {
+void TaskRGBLED_1(uint8_t br, uint16_t delay_t)
+{
     canvas.createSprite(display.width(), 35);
     rgb_c = 0;
     canvas.fillSprite(0);
@@ -47,7 +64,8 @@ void TaskRGBLED_1(uint8_t br, uint16_t delay_t) {
     }
 }
 
-void TaskRGBLED_2(uint8_t br, uint16_t delay_t) {
+void TaskRGBLED_2(uint8_t br, uint16_t delay_t)
+{
     canvas.createSprite(display.width(), 35);
     rgb_c = 0;
     canvas.fillSprite(0);
@@ -64,7 +82,8 @@ void TaskRGBLED_2(uint8_t br, uint16_t delay_t) {
     }
 }
 
-void TaskRGBLED_3(uint32_t color, uint8_t br, uint16_t delay_t) {
+void TaskRGBLED_3(uint32_t color, uint8_t br, uint16_t delay_t)
+{
     canvas.createSprite(display.width(), 35);
     rgb_c = 0;
     canvas.fillSprite(0);
@@ -77,7 +96,8 @@ void TaskRGBLED_3(uint32_t color, uint8_t br, uint16_t delay_t) {
     canvas.pushSprite(0, 205);
 }
 
-void setup() {
+void setup()
+{
     M5.begin();
     display.begin();
     canvas.setColorDepth(1);  // mono color
@@ -96,7 +116,8 @@ void setup() {
     canvas.pushSprite(0, 0);
 }
 
-void loop() {
+void loop()
+{
     M5.update();
     if (M5.BtnA.wasReleased()) {
         TaskRGBLED_3(0xffffff, 100, 2);