diff --git a/README.md b/README.md
new file mode 100644
index 0000000..1da2330
--- /dev/null
+++ b/README.md
@@ -0,0 +1,25 @@
+# 基于 Raspberry Pico / Pico W 的电能计量模块（IM1253B）
+ * 可以计算电压、电流、功率、电能、功率因数、二氧化碳、温度、频率
+
+## Build
+```
+    # 使用WSL Debian GNU/Linux 12 (bookworm) 构建
+    # 确保Pico-SDK环境变量
+    export PICO_SDK_PATH=/mnt/c/Users/niuyuling/Desktop/raspberry-pico/SDK/pico-sdk
+    export PICO_EXTRAS_PATH=/mnt/c/Users/niuyuling/Desktop/raspberry-pico/SDK/pico-extras
+    
+    apt install cmake gcc-arm-none-eabi gcc g++
+    apt install gdb-multiarch automake autoconf build-essential texinfo libtool libftdi-dev libusb-1.0-0-dev
+    
+    git clone https://git.aixiao.me/aixiao/IM1253B.git
+    cd IM1253B
+    
+    mkdir -p build
+    cd build
+    cmake ..
+    #cmake -DPICO_BOARD=pico_w ..
+    make
+
+    
+```
+