I2C Address Reference
Browse common I2C device addresses and check for address conflicts
Search & Filter
AllADCDACDisplayEEPROMGPIOIMUMultiplexerPWMRTCSensor
Address Conflict Checker
Click devices in the table below to select them and check for address conflicts.
I2C Device Reference(24 devices)
Device
Address (7-bit)
Category
Description
AT24C01-AT24C256
0x50-0x57
EEPROM
Serial EEPROM
DS1307
0x68
RTC
Real-Time Clock
DS3231
0x68
RTC
High-Precision RTC
BMP280
0x76, 0x77
Sensor
Pressure & Temperature Sensor
BME280
0x76, 0x77
Sensor
Humidity, Pressure & Temp Sensor
SSD1306
0x3C, 0x3D
Display
OLED Display
SH1106
0x3C, 0x3D
Display
OLED Display
MCP23017
0x20-0x27
GPIO
16-Bit I/O Expander
PCF8574
0x20-0x27
GPIO
8-Bit I/O Expander
PCA9685
0x40-0x7D
PWM
16-Channel PWM Driver
ADS1115
0x48, 0x49, 0x4A, 0x4B
ADC
16-Bit ADC
ADS1015
0x48, 0x49, 0x4A, 0x4B
ADC
12-Bit ADC
MPU6050
0x68, 0x69
IMU
6-Axis Motion Sensor
MPU9250
0x68, 0x69
IMU
9-Axis Motion Sensor
HMC5883L
0x1E
Sensor
3-Axis Magnetometer
INA219
0x40, 0x41, 0x44, 0x45
Sensor
Current & Voltage Sensor
TCA9548A
0x70-0x77
Multiplexer
I2C Multiplexer
Si7021
0x40
Sensor
Humidity & Temperature Sensor
TSL2561
0x29, 0x39, 0x49
Sensor
Light Sensor
VEML7700
0x10
Sensor
Ambient Light Sensor
MAX30102
0x57
Sensor
Pulse Oximeter & Heart Rate
LIS3DH
0x18, 0x19
IMU
3-Axis Accelerometer
SHT31
0x44, 0x45
Sensor
Humidity & Temperature Sensor
MCP4725
0x60, 0x61
DAC
12-Bit DAC