diff --git a/README.md b/README.md
index 27cd12c..63ca751 100644
--- a/README.md
+++ b/README.md
@@ -3,13 +3,42 @@
 nRF52840 기반 초음파(Piezo) 방광 모니터링 패치 펌웨어
 
 ## Version
-VBTFW0111
+VBTFW0111 / 
 VesiScan-Basic Tester Ver1.2.2
 
 ## Overview
 
 VesiScan BASIC은 피에조 초음파 트랜스듀서와 IMU 센서를 이용하여 방광 상태를 측정하고, BLE를 통해 모바일 클라이언트로 데이터를 전송하는 웨어러블 패치 디바이스 펌웨어입니다.
 
+## Project Structure
+
+```text
+project/
+|-- ble_peripheral/
+|   `-- ble_app_bladder_patch/
+|       |-- main.c / main.h                  # Application entry, BLE init, main loop
+|       |-- command/                         # Command parser, command table, handlers
+|       |   `-- handlers/                    # Device / sensor / piezo command handlers
+|       |-- measurement/                     # Sensor and acquisition modules
+|       |   |-- piezo/                       # Piezo TX driver and mux channel control
+|       |   |-- adc121s051/                  # Echo ADC sampling / acquisition
+|       |   |-- imu/                         # ICM42670P support and motion libraries
+|       |   |-- battery/                     # Battery voltage measurement
+|       |   `-- temperature/                 # TMP235-Q1 temperature sensing
+|       |-- hal/
+|       |   |-- i2c/                         # Shared I2C manager
+|       |   `-- fds/                         # Flash data storage helpers
+|       |-- system/
+|       |   |-- power/                       # Power control
+|       |   |-- led/                         # LED control
+|       |   |-- security/                    # BLE security / bonding
+|       |   `-- main_timer.c                 # Periodic timing / scheduler logic
+|       |-- pca10056/s140/arm5_no_packs/     # Keil project files and local build output
+|       `-- download/                        # Flashing / DFU scripts and generated images
+`-- dfu/
+    `-- secure_bootloader/                   # BLE DFU bootloader project
+```
+
 ## Hardware
 
 | 구분 | 칩/센서 | 사양 | 인터페이스 |
@@ -33,7 +62,7 @@ VesiScan BASIC은 피에조 초음파 트랜스듀서와 IMU 센서를 이용하
 | 3 | 1.7 MHz |
 | 4 | 2.2 MHz |
 
-### 8채널 MUX 매핑
+### 6채널 MUX 매핑
 
 | Channel | MUX | SEL1 | SEL0 | EN_MUXA | EN_MUXB |
 |---------|-----|------|------|---------|---------|
@@ -66,35 +95,6 @@ Piezo → MUX(8ch) → ADA2200(AFE) → ADC121S051 → nRF52840
 - **IDE**: Keil uVision5 (ARM5)
 - **SDK**: nRF5 SDK + SoftDevice S140
 
-## Project Structure
-
-```text
-project/
-|-- ble_peripheral/
-|   `-- ble_app_bladder_patch/
-|       |-- main.c / main.h                  # Application entry, BLE init, main loop
-|       |-- command/                         # Command parser, command table, handlers
-|       |   `-- handlers/                    # Device / sensor / piezo command handlers
-|       |-- measurement/                     # Sensor and acquisition modules
-|       |   |-- piezo/                       # Piezo TX driver and mux channel control
-|       |   |-- adc121s051/                  # Echo ADC sampling / acquisition
-|       |   |-- imu/                         # ICM42670P support and motion libraries
-|       |   |-- battery/                     # Battery voltage measurement
-|       |   `-- temperature/                 # TMP235-Q1 temperature sensing
-|       |-- hal/
-|       |   |-- i2c/                         # Shared I2C manager
-|       |   `-- fds/                         # Flash data storage helpers
-|       |-- system/
-|       |   |-- power/                       # Power control
-|       |   |-- led/                         # LED control
-|       |   |-- security/                    # BLE security / bonding
-|       |   `-- main_timer.c                 # Periodic timing / scheduler logic
-|       |-- pca10056/s140/arm5_no_packs/     # Keil project files and local build output
-|       `-- download/                        # Flashing / DFU scripts and generated images
-`-- dfu/
-    `-- secure_bootloader/                   # BLE DFU bootloader project
-```
-
 ## License
 
 Proprietary - Medithings Co., Ltd.