I2C Device List
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| Part | Description | Manufacturer | Addresses | Datasheet | Adafruit | Sparkfun | Amazon |
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| HMC5883 | 3-Axis Digital Compass/Magnetometer IC | Honeywell | 0x1e |  |
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| HT16K33 | LED Matrix Driver | Holtek | 8 | |
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| HTS221 | Capacitive digital sensor for relative humidity and temperature | ST Microelectronics | 0x5f | |
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| HTU21D-F | Humidity/Temp Sensor | Measurement Specialties | 0x40 | |
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| INA219 | 26V Bi-Directional High-Side Current/Power/Voltage Monitor | Texas Instruments | 16 | |
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| INA260 | Precision Digital Current and Power Monitor With Low-Drift, Precision Integrated Shunt | Texas Instruments | 16 | |
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| IS31FL3731 | 144-LED Audio Modulated Matrix LED Driver (CharliePlex) | ISSI | 0x66, 0x77 | |
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| ISL29125 | Digital Red, Green and Blue Color Light Sensor with IR Blocking Filter | Renesas Electronics | 0x44 | |
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| ITDA8045 | IQAM-64 demodulator | NXP Semiconductors | none | |
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| ITG3200 | Gyro | InvenSense | 0x68, 0x69 | |
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| L3GD20H | gyroscope | ST Microelectronics | 0x6a, 0x6b | |
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| LIS3DH | 3-axis accelerometer | ST Microelectronics | 0x19, 0x18 | |
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| LSM303 | Triple-axis Accelerometer+Magnetometer (Compass) | ST Microelectronics | 0x1e, 0x18 | |
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| LSM303 | Triple-axis Accelerometer+Magnetometer (Compass) | ST Microelectronics | 0x19, 0x1e | |
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| MAG3110 | 3-Axis Magnetometer | NXP Semiconductors | 0x0e | |
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| MAX3010x | Pulse & Oximetry sensor | Maxim Integrated | 0x57 | |
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| MAX44009 | Ambient Light Sensor with ADC | maxim integrated | 0x4b, 0x4a | |
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| MB85RC | Ferroelectric RAM | Fujitsu | 8 | |
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| MCP23008 | 8-Bit I/O Expander with Serial Interface I2C GPIO expander | Microchip | 8 | |
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| MCP23017 | I2C GPIO expander | Microchip | 8 | |
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| MCP4725A0 | 12-bit DAC | 0x60, 0x61 | |
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| MCP4725A1 | 12-Bit Digital-to-Analog Converter with EEPROM Memory | Microchip | 8 | |
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| MCP4725A2 | 12-Bit Digital-to-Analog Converter with EEPROM Memory | Microchip | 0x64, 0x65 | |
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| MCP4725A3 | 12-Bit Digital-to-Analog Converter with EEPROM Memory | Microchip | 0x67, 0x66 | |
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| MCP9808 | ±0.5°C Maximum Accuracy Digital Temperature Sensor | Microchip | 8 | |
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| MLX90614 | IR temperature sensor | Melexis | 0x5a | |
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| MMA845x | 3-axis, 14-bit/8-bit digital accelerometer | NXP Semiconductors | 0x1d, 0x1c | |
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| MPL115A2 | Miniature I2C digital barometer, 50 to 115 kPa | NXP Semiconductors | 0x60 | |
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| MPL3115A2 | Barometric Pressure | NXP Semiconductors | 0x60 | |
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| MPR121 | 12-point capacitive touch sensor | NXP Semiconductors | 4 | |
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