diff --git a/docs/assets/img/product_pics/unit/m5bit/m5bit.png b/docs/assets/img/product_pics/unit/m5bit/m5bit.png
new file mode 100644
index 00000000..28be797a
Binary files /dev/null and b/docs/assets/img/product_pics/unit/m5bit/m5bit.png differ
diff --git a/docs/en/core/atom_lite.md b/docs/en/core/atom_lite.md
index 94533997..fa336e9c 100644
--- a/docs/en/core/atom_lite.md
+++ b/docs/en/core/atom_lite.md
@@ -45,6 +45,8 @@ Supported development platforms and program languages: Arduino, Blockly language
- SDIO master/salve 50MHz
- SD-card interface support
+
+
## Peripherals Pin Map
diff --git a/docs/en/core/atom_matrix.md b/docs/en/core/atom_matrix.md
index 13996454..85b4a8ea 100644
--- a/docs/en/core/atom_matrix.md
+++ b/docs/en/core/atom_matrix.md
@@ -42,6 +42,7 @@ Supported development platforms and program languages: Arduino, Block based prog
- SDIO master/salve 50MHz
- SD-card interface support
+
+
## Peripherals Pin Map
diff --git a/docs/en/unit/m5-bit.md b/docs/en/unit/m5-bit.md
index 6e9a080a..143ca0ed 100644
--- a/docs/en/unit/m5-bit.md
+++ b/docs/en/unit/m5-bit.md
@@ -25,4 +25,79 @@ More IO pins are extended, you can used DuPont Cable to connect other hardware.
## Include
-- 1x M5:bit
\ No newline at end of file
+- 1x M5:bit
+
+## Example
+
+- **MakeCode**
+
+
+
+### Arduino IDE
+
+*The code below is incomplete. TO get complete code, please click [here](https://github.com/m5stack/M5-ProductExampleCodes/tree/master/Unit/M5Bit/Arduino/M5BIT).*
+
+```arduino
+/*
+ Connect to GRVOE C on M5Core
+*/
+#include
+#include
+
+#define WIDTH 320
+#define HEIGHT 240
+#define BLOCK_SIZE 40
+#define UNIT_WIDTH 5
+#define UNIT_HEIGHT 5
+#define UNIT_SIZE 25
+#define GETX(i) ((i) % (5))
+#define GETY(i) ((i) / (5))
+int world[UNIT_SIZE];
+int i;
+
+void setup() {
+ M5.begin();
+ Wire.begin();
+ if(digitalRead(BUTTON_A_PIN) == 0){
+ Serial.println("Will load menu binary");
+ updateFromFS(SD);
+ ESP.restart();
+ }
+ Serial2.begin(115200, SERIAL_8N1, 16, 17);
+ M5.Lcd.fillScreen(BLACK);
+ M5.Lcd.setTextSize(2);
+ M5.Lcd.setCursor(35, 220);
+ M5.Lcd.println(" < * >");
+ for (i = 0; i < UNIT_SIZE; i++) {
+ world[i] = 0;
+ }
+ i = UNIT_SIZE / 2;
+}
+
+void loop() {
+ M5.update();
+ int x = GETX(i) + 1;
+ int y = GETY(i);
+ if (world[i] > 0) M5.Lcd.fillRect(x * BLOCK_SIZE + 1, y * BLOCK_SIZE + 1, BLOCK_SIZE - 2, BLOCK_SIZE - 2, LIGHTGREY);
+ else M5.Lcd.fillRect(x * BLOCK_SIZE + 1, y * BLOCK_SIZE + 1, BLOCK_SIZE - 2, BLOCK_SIZE - 2, BLUE);
+ if (M5.BtnC.wasPressed()) {
+ if (world[i] > 0) M5.Lcd.fillRect(x * BLOCK_SIZE + 1, y * BLOCK_SIZE + 1, BLOCK_SIZE - 2, BLOCK_SIZE - 2, WHITE);
+ else M5.Lcd.fillRect(x * BLOCK_SIZE, y * BLOCK_SIZE, BLOCK_SIZE, BLOCK_SIZE, BLACK);
+ ++i;
+ if (i >= UNIT_SIZE) i=0;
+ }
+ if (M5.BtnA.wasPressed()) {
+ if (world[i] > 0) M5.Lcd.fillRect(x * BLOCK_SIZE + 1, y * BLOCK_SIZE + 1, BLOCK_SIZE - 2, BLOCK_SIZE - 2, WHITE);
+ else M5.Lcd.fillRect(x * BLOCK_SIZE, y * BLOCK_SIZE, BLOCK_SIZE, BLOCK_SIZE, BLACK);
+ --i;
+ if (i < 0 ) i=UNIT_SIZE -1;
+ }
+ if (M5.BtnB.wasPressed()) {
+ if (world[i] > 0) world[i]=0;
+ else world[i]=1;
+ Serial2.print(world[i]);
+ Serial2.print(GETX(i));
+ Serial2.println(GETY(i));
+ }
+}
+```
diff --git a/docs/zh_CN/core/atom_lite.md b/docs/zh_CN/core/atom_lite.md
index 8172d093..1ceb235a 100644
--- a/docs/zh_CN/core/atom_lite.md
+++ b/docs/zh_CN/core/atom_lite.md
@@ -41,6 +41,8 @@
- SDIO master/salve 50MHz
- 支持SD卡接口
+
+
## 外设的管脚映射
diff --git a/docs/zh_CN/core/atom_matrix.md b/docs/zh_CN/core/atom_matrix.md
index a9d5a99d..15fcf0f7 100644
--- a/docs/zh_CN/core/atom_matrix.md
+++ b/docs/zh_CN/core/atom_matrix.md
@@ -43,6 +43,8 @@
- SDIO master/salve 50MHz
- 支持SD卡接口
+
## 外设的管脚映射
diff --git a/docs/zh_CN/unit/m5-bit.md b/docs/zh_CN/unit/m5-bit.md
index 27e640b5..95ada439 100644
--- a/docs/zh_CN/unit/m5-bit.md
+++ b/docs/zh_CN/unit/m5-bit.md
@@ -28,3 +28,80 @@
## 套件清单
- 1x M5:bit
+
+## 例程
+
+- **MakeCode**
+
+
+
+### Arduino IDE
+
+*以下代码仅为片段，如需获取完整代码， [请点击此处](https://github.com/m5stack/M5-ProductExampleCodes/tree/master/Unit/M5Bit/Arduino/M5BIT).*
+
+```arduino
+/*
+ Connect to GRVOE C on M5Core
+*/
+#include
+#include
+
+#define WIDTH 320
+#define HEIGHT 240
+#define BLOCK_SIZE 40
+#define UNIT_WIDTH 5
+#define UNIT_HEIGHT 5
+#define UNIT_SIZE 25
+#define GETX(i) ((i) % (5))
+#define GETY(i) ((i) / (5))
+int world[UNIT_SIZE];
+int i;
+
+void setup() {
+ M5.begin();
+ Wire.begin();
+ if(digitalRead(BUTTON_A_PIN) == 0){
+ Serial.println("Will load menu binary");
+ updateFromFS(SD);
+ ESP.restart();
+ }
+ Serial2.begin(115200, SERIAL_8N1, 16, 17);
+ M5.Lcd.fillScreen(BLACK);
+ M5.Lcd.setTextSize(2);
+ M5.Lcd.setCursor(35, 220);
+ M5.Lcd.println(" < * >");
+ for (i = 0; i < UNIT_SIZE; i++) {
+ world[i] = 0;
+ }
+ i = UNIT_SIZE / 2;
+}
+
+void loop() {
+ M5.update();
+ int x = GETX(i) + 1;
+ int y = GETY(i);
+ if (world[i] > 0) M5.Lcd.fillRect(x * BLOCK_SIZE + 1, y * BLOCK_SIZE + 1, BLOCK_SIZE - 2, BLOCK_SIZE - 2, LIGHTGREY);
+ else M5.Lcd.fillRect(x * BLOCK_SIZE + 1, y * BLOCK_SIZE + 1, BLOCK_SIZE - 2, BLOCK_SIZE - 2, BLUE);
+ if (M5.BtnC.wasPressed()) {
+ if (world[i] > 0) M5.Lcd.fillRect(x * BLOCK_SIZE + 1, y * BLOCK_SIZE + 1, BLOCK_SIZE - 2, BLOCK_SIZE - 2, WHITE);
+ else M5.Lcd.fillRect(x * BLOCK_SIZE, y * BLOCK_SIZE, BLOCK_SIZE, BLOCK_SIZE, BLACK);
+ ++i;
+ if (i >= UNIT_SIZE) i=0;
+ }
+ if (M5.BtnA.wasPressed()) {
+ if (world[i] > 0) M5.Lcd.fillRect(x * BLOCK_SIZE + 1, y * BLOCK_SIZE + 1, BLOCK_SIZE - 2, BLOCK_SIZE - 2, WHITE);
+ else M5.Lcd.fillRect(x * BLOCK_SIZE, y * BLOCK_SIZE, BLOCK_SIZE, BLOCK_SIZE, BLACK);
+ --i;
+ if (i < 0 ) i=UNIT_SIZE -1;
+ }
+ if (M5.BtnB.wasPressed()) {
+ if (world[i] > 0) world[i]=0;
+ else world[i]=1;
+ Serial2.print(world[i]);
+ Serial2.print(GETX(i));
+ Serial2.println(GETY(i));
+ }
+}
+```
+
+