The List

OMG Can you believe it? We didn't include every I2C device in the known universe! Fear not, if you post up in the Adafruit forums with your favorite I2C device and the 7-bit addresses they use, we'll update this list! (eventually)
All I2C addresses here are in 7-bit format

Special cases:

0x00 - 0x0F

0x00 - Reserved - General Call Address

0x01 - Reserved for CBUS Compatibility

0x02 - Reserved for I2C-compatible Bus Variants

0x03 - Reserved for Future Use

0x04, 0x05, 0x06, 0x07 - Reserved for Hs-mode Master

0x0E

  • MAG3110 3-Axis Magnetometer (0x0E only)

0x10 - 0x1F

0x11

0x13

0x18

0x19

0x1A

0x1B

0x1C

0x1D

0x1E

0x1F

0x20-0x2F

0x20

0x21

0x22

0x23

0x24

0x25

0x26

0x27

0x28

0x29

0x2A

0x2B

0x2C

0x2D

0x30 - 0x3F

0x34

0x38

0x39

0x3C

0x3D

0x40 - 0x4F

0x40

0x41

0x42

0x43

0x44

0x45

0x46

0x47

0x48

0x49

0x4A

0x4B

0x4C

0x4D

0x4E

0x4F

0x50 - 0x5F

0x50

0x51

0x52

0x53

0x54

0x55

0x56

0x57

0x58

0x5A

0x5B

0x5C

0x5D

0x60 - 0x6F

0x60

0x61

0x62

0x63

0x64

  • MCP4725A2 12-bit DAC (0x64 or 0x65)

0x65

  • MCP4725A2 12-bit DAC (0x64 or 0x65)

0x66

  • MCP4725A3 12-bit DAC (0x66 or 0x67)

0x67

  • MCP4725A3 12-bit DAC (0x66 or 0x67)

0x68

This address is really popular with real time clocks, almost all of them use 0x68!

0x69

0x6A

0x6B

0x70 - 0x7F

0x70

0x71

0x72

0x73

0x74

0x75

0x76

0x77

0x78 0x79 0x7A 0x7B - Reserved for 10-bit I2C Addressing

0x7C 0x7D 0x7E 0x7F - Reserved for Future Purposes

Last updated on 2017-07-29 at 11.52.28 PM Published on 2017-07-29 at 11.24.53 PM