Special cases
PCA9685 can be used by any address between 0x40 to 0x7F
0x00 - 0x07 and 0x78 - 0x7F are reserved I2C addresses
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
0x10
VEML6075 UV sensor (0x10 only)
VEML7700 Ambient Light sensor (0x10 only)
0x11
Si4713 FM Transmitter with RDS (0x11 or 0x63)
0x13
VCNL40x0 proximity sensor (0x13 only)
0x18
MCP9808 temp sensor (0x18 - 0x1F)
LIS3DH 3-axis accelerometer (0x18 or 0x19)
0x19
MCP9808 temp sensor (0x18 - 0x1F)
LIS3DH 3-axis accelerometer (0x18 or 0x19)
LSM303 Accelerometer & Magnetometer (0x19 for accelerometer and 0x1E for magnetometer)
0x1A
MCP9808 temp sensor (0x18 - 0x1F)
0x1B
MCP9808 temp sensor (0x18 - 0x1F)
0x1C
LIS3MDL Magetometer (0x1C & 0x1E)
MCP9808 temp sensor (0x18 - 0x1F)
MMA845x 3-axis Accelerometer (0x1C or 0x1D)
FXOS8700 Accelerometer/Magnetometer (0x1C, 0x1D, 0x1E or 0x1F)
MMA7455L (0x1C or 0x1D)
0x1D
MCP9808 temp sensor (0x18 - 0x1F)
MMA845x 3-axis Accelerometer (0x1C or 0x1D)
FXOS8700 Accelerometer/Magnetometer (0x1C, 0x1D, 0x1E or 0x1F)
LSM9DS0 9-axis IMU (0x1D or 0x1E for Accel/Mag, 0x6A or 0x6B for Gyro)
ADXL345 3-axis accelerometer (0x1D or 0x53)
MMA7455L (0x1C or 0x1D)
0x1E
FXOS8700 Accelerometer/Magnetometer (0x1C, 0x1D, 0x1E or 0x1F)
HMC5883 Magnetometer (0x1E only)
LIS2MDL Magnetometer (0x1E only)
LIS3MDL Magnetometer (0x1C & 0x1E)
LSM303 Accelerometer & Magnetometer (0x19 for accelerometer and 0x1E for magnetometer)
LSM9DS0 9-axis IMU (0x1D or 0x1E for Accel/Mag, 0x6A or 0x6B for Gyro)
MCP9808 temp sensor (0x18 - 0x1F)
0x1F
MCP9808 temp sensor (0x18 - 0x1F)
FXOS8700 Accelerometer/Magnetometer (0x1C, 0x1D, 0x1E or 0x1F)
0x20-0x2F
0x20
FXAS21002 Gyroscope (0x20 or 0x21)
Chirp! Water sensor (0x20)
MCP23008 I2C GPIO expander (0x20 - 0x27)
MCP23017 I2C GPIO expander (0x20 - 0x27)
0x21
FXAS21002 Gyroscope (0x20 or 0x21)
MCP23008 I2C GPIO expander (0x20 - 0x27)
MCP23017 I2C GPIO expander (0x20 - 0x27)
0x22
MCP23008 I2C GPIO expander (0x20 - 0x27)
MCP23017 I2C GPIO expander (0x20 - 0x27)
0x23
MCP23008 I2C GPIO expander (0x20 - 0x27)
MCP23017 I2C GPIO expander (0x20 - 0x27)
0x24
MCP23008 I2C GPIO expander (0x20 - 0x27)
MCP23017 I2C GPIO expander (0x20 - 0x27)
0x25
MCP23008 I2C GPIO expander (0x20 - 0x27)
MCP23017 I2C GPIO expander (0x20 - 0x27)
0x26
MCP23008 I2C GPIO expander (0x20 - 0x27)
MCP23017 I2C GPIO expander (0x20 - 0x27)
MSA301 Triple Axis Accelerometer (0x26 only)
0x27
MCP23008 I2C GPIO expander (0x20 - 0x27)
MCP23017 I2C GPIO expander (0x20 - 0x27)
0x28
BNO055 IMU (0x28 or 0x29)
CAP1188 8-channel Capacitive Touch (0x28 - 0x2D)
DS1841 I2C Digital Logarithmic Potentiometer (0x28-0x2B)
DS3502 I2C Digital 10K Potentiometer (0x28-0x2B)
PCT2075 Temperature Sensor (0x28-0x2E, 0x48-0x4F, 0x70-0x77)
TSL2591 light sensor (0x29 and 0x28)
0x29
BNO055 IMU (0x28 or 0x29)
DS1841 I2C Digital Logarithmic Potentiometer (0x28-0x2B)
DS3502 I2C Digital 10K Potentiometer (0x28-0x2B)
PCT2075 Temperature Sensor (0x28-0x2E, 0x48-0x4F, 0x70-0x77)
TCS34725 color sensor (0x29 only)
TSL2561 light sensor (0x29, 0x39 or 0x49)
TSL2591 light sensor (0x29 and 0x28)
VL53L0x ToF distance (0x29, software selectable)
VL6180X ToF sensor (0x29)
CAP1188 8-channel Capacitive Touch (0x28 - 0x2D )
0x2A
CAP1188 8-channel Capacitive Touch (0x28 - 0x2D)
DS1841 I2C Digital Logarithmic Potentiometer (0x28-0x2B)
DS3502 I2C Digital 10K Potentiometer (0x28-0x2B)
PCT2075 Temperature Sensor (0x28-0x2E, 0x48-0x4F, 0x70-0x77)
0x2B
CAP1188 8-channel Capacitive Touch (0x28 - 0x2D)
DS1841 I2C Digital Logarithmic Potentiometer (0x28-0x2B)
DS3502 I2C Digital 10K Potentiometer (0x28-0x2B)
PCT2075 Temperature Sensor (0x28-0x2E, 0x48-0x4F, 0x70-0x77)
0x2C
CAP1188 8-channel Capacitive Touch (0x28 - 0x2D)
PCT2075 Temperature Sensor (0x28-0x2E, 0x48-0x4F, 0x70-0x77)
0x2D
CAP1188 8-channel Capacitive Touch (0x28 - 0x2D)
PCT2075 Temperature Sensor ( (0x28-0x2E, 0x48-0x4F, 0x70-0x77)
0x2E
PCT2075 Temperature Sensor (0x28-0x2E, 0x48-0x4F, 0x70-0x77)
0x30 - 0x3F
0x33
MLX90640 IR Thermal Camera (0x33 only)
0x38
VEML6070 UV Index (0x38 and 0x39)
FT6x06 Capacitive Touch Driver (0x38 only)
0x39
TSL2561 light sensor (0x29, 0x39 or 0x49)
VEML6070 UV Index (0x38 and 0x39)
APDS-9960 IR/Color/Proximity Sensor (0x39 only)
0x3C
SSD1305 monochrome OLED (0x3C or 0x3D, hardware selectable on some displays with a solder connection)
SSD1306 monochrome OLED (0x3C or 0x3D, hardware selectable on some displays with a solder connection)
0x3D
SSD1305 monochrome OLED (0x3C or 0x3D, hardware selectable on some displays with a solder connection)
SSD1306 monochrome OLED (0x3C or 0x3D, hardware selectable on some displays with a solder connection)
0x40 - 0x4F
0x40
Si7021 Humidity/Temp sensor (0x40 only)
HTU21D-F Humidity/Temp Sensor (0x40 only)
HDC1008 Humidity/Temp sensor (0x40, 0x41, 0x42 or 0x43)
TMP007 IR Temperature sensor (0x40 - 0x47)
TMP006 IR Temperature sensor (0x40 - 0x47)
PCA9685 16-channel PWM driver default address (0x40 - 0x7F)
INA219 High-Side DC Current/Voltage sensor (0x40 - 0x4F)
INA260 Precision DC Current/Power Sensor (0x40 - 0x4F)
0x41
HDC1008 Humidity/Temp sensor (0x40, 0x41, 0x42 or 0x43)
TMP007 IR Temperature sensor (0x40 - 0x47)
TMP006 IR Temperature sensor (0x40 - 0x47)
INA219 High-Side DC Current/Voltage sensor (0x40 - 0x4F)
INA260 Precision DC Current/Power Sensor (0x40 - 0x4F)
STMPE610/STMPE811 Resistive Touch controller (0x41 or 0x44)
0x42
HDC1008 Humidity/Temp sensor (0x40, 0x41, 0x42 or 0x43)
TMP007 IR Temperature sensor (0x40 - 0x47)
TMP006 IR Temperature sensor (0x40 - 0x47)
INA219 High-Side DC Current/Voltage sensor (0x40 - 0x4F)
0x43
HDC1008 Humidity/Temp sensor (0x40, 0x41, 0x42 or 0x43)
TMP007 IR Temperature sensor (0x40 - 0x47)
TMP006 IR Temperature sensor (0x40 - 0x47)
INA219 High-Side DC Current/Voltage sensor (0x40 - 0x4F)
INA260 Precision DC Current/Power Sensor (0x40 - 0x4F)
0x44
SHT31 Humidity/Temp sensor (0x44 or 0x45 selectable)
TMP007 IR Temperature sensor (0x40 - 0x47)
TMP006 IR Temperature sensor (0x40 - 0x47)
ISL29125 Color Sensor (0x44 only)
INA219 High-Side DC Current/Voltage sensor (0x40 - 0x4F)
INA260 Precision DC Current/Power Sensor (0x40 - 0x4F)
STMPE610/STMPE811 Resistive Touch controller (0x41 or 0x44)
0x45
SHT31 Humidity/Temp sensor (0x44 or 0x45 selectable)
TMP007 IR Temperature sensor (0x40 - 0x47)
TMP006 IR Temperature sensor (0x40 - 0x47)
INA219 High-Side DC Current/Voltage sensor (0x40 - 0x4F)
INA260 Precision DC Current/Power Sensor (0x40 - 0x4F)
0x46
TMP007 IR Temperature sensor (0x40 - 0x47)
TMP006 IR Temperature sensor (0x40 - 0x47)
INA219 High-Side DC Current/Voltage sensor (0x40 - 0x4F)
INA260 Precision DC Current/Power Sensor (0x40 - 0x4F)
0x47
TMP007 IR Temperature sensor (0x40 - 0x47)
TMP006 IR Temperature sensor (0x40 - 0x47)
INA219 High-Side DC Current/Voltage sensor (0x40 - 0x4F)
INA260 Precision DC Current/Power Sensor (0x40 - 0x4F)
0x48
ADS1115 4-channel 16-bit ADC (0x48 0x49 0x4A or 0x4B)
INA219 High-Side DC Current/Voltage sensor (0x40 - 0x4F)
INA260 Precision DC Current/Power Sensor (0x40 - 0x4F)
PCT2075 Temperature Sensor (0x28-0x2E, 0x48-0x4F, 0x70-0x77)
PN532 NFC/RFID reader (0x48 only)
TMP102 Temperature sensor (0x48 0x49 0x4A or 0x4B)
0x49
ADS1115 4-channel 16-bit ADC (0x48 0x49 0x4A or 0x4B)
INA219 High-Side DC Current/Voltage sensor (0x40 - 0x4F)
INA260 Precision DC Current/Power Sensor (0x40 - 0x4F)
PCT2075 Temperature Sensor (0x28-0x2E, 0x48-0x4F, 0x70-0x77)
TSL2561 light sensor (0x29, 0x39 or 0x49)
TMP102 Temperature sensor (0x48 0x49 0x4A or 0x4B)
0x4A
ADS1115 4-channel 16-bit ADC (0x48 0x49 0x4A or 0x4B)
INA219 High-Side DC Current/Voltage sensor (0x40 - 0x4F)
INA260 Precision DC Current/Power Sensor (0x40 - 0x4F)
PCT2075 Temperature Sensor (0x28-0x2E, 0x48-0x4F, 0x70-0x77)
TMP102 Temperature sensor (0x48 0x49 0x4A or 0x4B)
0x4B
TMP102 Temperature sensor (0x48 0x49 0x4A or 0x4B)
ADS1115 4-channel 16-bit ADC (0x48 0x49 0x4A or 0x4B)
INA219 High-Side DC Current/Voltage sensor (0x40 - 0x4F)
INA260 Precision DC Current/Power Sensor (0x40 - 0x4F)
PCT2075 Temperature Sensor (0x28-0x2E, 0x48-0x4F, 0x70-0x77)
0x4C
INA219 High-Side DC Current/Voltage sensor (0x40 - 0x4F)
INA260 Precision DC Current/Power Sensor (0x40 - 0x4F)
PCT2075 Temperature Sensor (0x28-0x2E, 0x30-0x37, 0x48-0x4F)
0x4D
INA219 High-Side DC Current/Voltage sensor (0x40 - 0x4F)
INA260 Precision DC Current/Power Sensor (0x40 - 0x4F)
PCT2075 Temperature Sensor (0x28-0x2E, 0x48-0x4F, 0x70-0x77)
0x4E
INA219 High-Side DC Current/Voltage sensor (0x40 - 0x4F)
INA260 Precision DC Current/Power Sensor (0x40 - 0x4F)
PCT2075 Temperature Sensor (0x28-0x2E, 0x48-0x4F, 0x70-0x77)
0x4F
INA219 High-Side DC Current/Voltage sensor (0x40 - 0x4F)
INA260 Precision DC Current/Power Sensor (0x40 - 0x4F)
PCT2075 Temperature Sensor (0x28-0x2E, 0x48-0x4F, 0x70-0x77)
0x50 - 0x5F
0x50
MB85RC I2C FRAM (0x50 - 0x57)
0x51
MB85RC I2C FRAM (0x50 - 0x57)
0x52
MB85RC I2C FRAM (0x50 - 0x57)
Nintendo Nunchuck controller (0x52 only)
0x53
ADXL345 3-axis accelerometer (0x1D or 0x53)
MB85RC I2C FRAM (0x50 - 0x57)
0x54
MB85RC I2C FRAM (0x50 - 0x57)
0x55
MB85RC I2C FRAM (0x50 - 0x57)
0x56
MB85RC I2C FRAM (0x50 - 0x57)
0x57
MB85RC I2C FRAM (0x50 - 0x57)
MAX3010x Pulse & Oximetry sensor (0x57)
0x58
TPA2016 I2C-controlled Amplifier (0x58 only)
SGP30 Gas Sensor (0x58 only)
0x5A
MPR121 12-point capacitive touch sensor (0x5A, 0x5B, 0x5C, 0x5D)
CCS811 VOC sensor (0x5A or 0x5B)
MLX9061x IR temperature sensor (0x5A only)
DRV2605 Haptic Motor Driver (0x5A only)
0x5B
MPR121 12-point capacitive touch sensor (0x5A, 0x5B, 0x5C, 0x5D)
CCS811 VOC sensor (0x5A or 0x5B)
0x5C
AM2315 Humidity/Temp sensor (0x5C only)
AM2320 Humidity/Temp snesor (0x5C only)
LPS25 Pressure Sensor (0x5C, 0x5D)
LPS33HW Ported Pressure Sensor (0x5C, 0x5D)
LPS35HW Pressure Sensor (0x5C, 0x5D)
MPR121 12-point capacitive touch sensor (0x5A, 0x5B, 0x5C, 0x5D)
0x5D
LPS25 Pressure Sensor (0x5C, 0x5D)
LPS33HW Ported Pressure Sensor (0x5C, 0x5D)
LPS35HW Pressure Sensor (0x5C, 0x5D)
MPR121 12-point capacitive touch sensor (0x5A, 0x5B, 0x5C, 0x5D)
0x5E
TLV493D triple-axis Magnetometer (0x5E)
0x60 - 0x6F
0x60
MCP4728 Quad DAC (0x60 only)
MPL115A2 Barometric Pressure (0x60 only)
MPL3115A2 Barometric Pressure (0x60 only)
Si5351A Clock Generator (0x60 or 0x61)
Si1145 Light/IR Sensor (0x60 only)
MCP4725A0 12-bit DAC (0x60 or 0x61)
TEA5767 Radio receiver (0x60 only)
VCNL4040 Proximity and Ambient Light sensor (0x60 only)
0x61
Si5351A Clock Generator (0x60 or 0x61)
MCP4725A0 12-bit DAC (0x60 or 0x61)
0x62
MCP4725A1 12-bit DAC (0x62 or 0x63)
0x63
MCP4725A1 12-bit DAC (0x62 or 0x63)
Si4713 FM Transmitter with RDS (0x11 or 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!
AMG8833 IR Thermal Camera Breakout (0x68 or 0x69)
DS1307 RTC (0x68 only)
DS3231 RTC (0x68 only)
ICM-20649 Accel+Gyro (0x68 or 0x69)
ITG3200 Gyro (0x68 or 0x69)
MPU-9250 9-DoF IMU (0x68 or 0x69)
MPU-60X0 Accel+Gyro (0x68 or 0x69)
PCF8523 RTC (0x68 only)
0x69
AMG8833 IR Thermal Camera Breakout (0x68 or 0x69)
ICM-20649 Accel+Gyro (0x68 or 0x69)
MPU-9250 (0x68 or 0x69)
MPU-60X0 Accel+Gyro (0x68 or 0x69)
ITG3200 Gyro (0x68 or 0x69)
0x6A
ICM330DHC 6-axis IMU (0x6A or 0x6B)
L3GD20H gyroscope (0x6A or 0x6B)
LSM6DS33 6-axis IMU (0x6A or 0x6B)
LSM6DSOX 6-axis IMU (0x6A or 0x6B)
LSM9DS0 9-axis IMU (0x1D or 0x1E for Accel/Mag, 0x6A or 0x6B for Gyro)
0x6B
ICM330DHC 6-axis IMU (0x6A or 0x6B)
L3GD20H gyroscope (0x6A or 0x6B)
LSM6DS33 6-axis IMU (0x6A or 0x6B)
LSM6DSOX 6-axis IMU (0x6A or 0x6B)
LSM9DS0 9-axis IMU (0x1D or 0x1E for Accel/Mag, 0x6A or 0x6B for Gyro)
0x70 - 0x7F
0x70
HT16K33 LED Matrix Driver (0x70 - 0x77)
PCT2075 Temperature Sensor (0x28-0x2E, 0x48-0x4F, 0x70-0x77)
TCA9548 1-to-8 I2C Multiplexer (0x70 - 0x77)
0x71
HT16K33 LED Matrix Driver (0x70 - 0x77)
PCT2075 Temperature Sensor (0x28-0x2E, 0x48-0x4F, 0x70-0x77)
TCA9548 1-to-8 I2C Multiplexer (0x70 - 0x77)
0x72
HT16K33 LED Matrix Driver (0x70 - 0x77)
PCT2075 Temperature Sensor (0x28-0x2E, 0x48-0x4F, 0x70-0x77)
TCA9548 1-to-8 I2C Multiplexer (0x70 - 0x77)
0x73
HT16K33 LED Matrix Driver (0x70 - 0x77)
PCT2075 Temperature Sensor (0x28-0x2E, 0x48-0x4F, 0x70-0x77)
TCA9548 1-to-8 I2C Multiplexer (0x70 - 0x77)
0x74
HT16K33 LED Matrix Driver (0x70 - 0x77)
IS31FL3731 144-LED CharliePlex driver (0x74 0x75 0x66 or 0x77)
PCT2075 Temperature Sensor (0x28-0x2E, 0x48-0x4F, 0x70-0x77)
TCA9548 1-to-8 I2C Multiplexer (0x70 - 0x77)
0x75
HT16K33 LED Matrix Driver (0x70 - 0x77)
IS31FL3731 144-LED CharliePlex driver (0x74 0x75 0x66 or 0x77)
PCT2075 Temperature Sensor (0x28-0x2E, 0x48-0x4F, 0x70-0x77)
TCA9548 1-to-8 I2C Multiplexer (0x70 - 0x77)
0x76
BME280 Temp/Barometric/Humidity (0x76 or 0x77)
BMP280 Temp/Barometric (0x76 or 0x77)
HT16K33 LED Matrix Driver (0x70 - 0x77)
IS31FL3731 144-LED CharliePlex driver (0x74 0x75 0x66 or 0x77)
MS5607/MS5611 Barometric Pressure (0x76 or 0x77)
PCT2075 Temperature Sensor (0x28-0x2E, 0x48-0x4F, 0x70-0x77)
TCA9548 1-to-8 I2C Multiplexer (0x70 - 0x77)
0x77
BMA180 Accelerometer (0x77 only)
BME280 Temp/Barometric/Humidity (0x76 or 0x77)
BMP280 Temp/Barometric (0x76 or 0x77)
BMP180 Temp/Barometric (0x77 only)
BMP085 Temp/Barometric (0x77 only)
HT16K33 LED Matrix Driver (0x70 - 0x77)
IS31FL3731 144-LED CharliePlex driver (0x74 0x75 0x66 or 0x77)
MS5607/MS5611 Barometric Pressure (0x76 or 0x77)
PCT2075 Temperature Sensor (0x28-0x2E, 0x48-0x4F, 0x70-0x77)
TCA9548 1-to-8 I2C Multiplexer (0x70 - 0x77)
0x78 0x79 0x7A 0x7B - Reserved for 10-bit I2C Addressing
0x7C 0x7D 0x7E 0x7F - Reserved for Future Purposes
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