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+# Linux 下 I2C 工具
+
+```bash
+# 检测 I2C 设备
+i2cdetect -r -y <bus num>
+# 设置 I2C 设备寄存器值
+i2cset -f -y <bus num> <dev addr> <reg addr> <value>
+# Dump I2C 设备寄存器
+i2cdump -f -y <bus num> <dev addr>
+```