diff --git a/src/constants.rs b/src/constants.rs
new file mode 100644
index 0000000..2e3656d
--- /dev/null
+++ b/src/constants.rs
@@ -0,0 +1,43 @@
+pub const MPU6050_SLAVE_ADDR: u8 = 0x68;
+pub const MPU6050_WHOAMI: u8 = 0x75;
+
+/// High Bytle Register Gyro x orientation
+pub const MPU6050_GYRO_REGX_H: u8 = 0x43;
+/// High Bytle Register Gyro y orientation
+pub const MPU6050_GYRO_REGY_H: u8 = 0x45;
+/// High Bytle Register Gyro z orientation
+pub const MPU6050_GYRO_REGZ_H: u8 = 0x47;
+ 
+/// High Byte Register Calc roll
+pub const MPU6050_ACC_REGX_H: u8 = 0x3b;
+/// High Byte Register Calc pitch
+pub const MPU6050_ACC_REGY_H: u8 = 0x3d;
+/// High Byte Register Calc yaw
+pub const MPU6050_ACC_REGZ_H: u8 = 0x3f;
+
+/// Register to control chip waking from sleep, enabling sensors, default: sleep
+pub const POWER_MGMT_1: u8 = 0x6b; 
+/// Internal clock
+pub const POWER_MGMT_2: u8 = 0x6c; 
+
+/// Gyro Sensitivity
+pub const FS_SEL: (f32, f32, f32, f32) = (131., 65.5, 32.8, 16.4);
+/// Calcelerometer Sensitivity
+pub const AFS_SEL: (f32, f32, f32, f32) = (16384., 8192., 4096., 2048.);
+
+pub const PI: f32 = 3.14159;
+
+pub const GRAVITIY_MS2: f32 = 9.80665;
+
+pub const ACCEL_RANGE_2G: u8 = 0x00;
+pub const ACCEL_RANGE_4G: u8 = 0x08;
+pub const ACCEL_RANGE_8G: u8 = 0x10;
+pub const ACCEL_RANGE_16G: u8 = 0x18;
+
+pub const GYRO_RANGE_250DEG: u8 = 0x00;
+pub const GYRO_RANGE_500DEG: u8 = 0x08;
+pub const GYRO_RANGE_1000DEG: u8 = 0x10;
+pub const GYRO_RANGE_2000DEG: u8 = 0x18;
+
+pub const ACCEL_CONFIG: u8  = 0x1c;
+pub const GYRO_CONFIG: u8 = 0x1b;