I2C Device List
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| Part | Description | Manufacturer | Addresses | Datasheet | Adafruit | Sparkfun | Amazon |
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| MCP7940N | Battery-Backed I2C Real-Time Clock/Calendar with SRAM | Microchip | 0x6f |  |
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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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| MLX90640 | Far infrared thermal sensor array (32x24 RES) | Melexis | 0x33 | |
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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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| MPU6050 | Six-Axis (Gyro + Accelerometer) MEMS MotionTracking™ Devices | InvenSense | 0x68, 0x69 | |
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| MPU-9250 | 3-Axis Gyroscope and Accelerometer | InvenSense (TDK) | 0x68 | |
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| MPU-9250 | 9-DoF IMU Gyroscope, Accelerometer and Magnetometer | InvenSense | 0x68, 0x69 | |
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| MS5607 | Barometric Pressure | TE Connectivity | 0x77, 0x76 | |
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| MS5611 | Barometric Pressure | TE Connectivity | 0x77, 0x76 | |
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| NE5751 | Audio processor for IV communication | NXP Semiconductors | 0x40, 0x41 | |
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| Nunchuck controller | Nintendo | 0x52 | |
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| PCA1070 | Multistandard programmable analog CMOS speech transmission IC | NXP Semiconductors | 0x22 | |
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| PCA9541 | 2-1 I2C bus arbiter | NXP | 8 | |
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| PCA9685 | 16-channel PWM driver default address | NXP Semiconductors | 64 | |
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| PCB5020 | Digital audio signal processor for car radio incl. ROM | NXP Semiconductors | none | |
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| PCB5021 | Digital audio signal processor for car radio excl. ROM | NXP Semiconductors | none | |
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| PCD3311C | DTMF/modem/musical tone generator | NXP Semiconductors | 0x24, 0x25 | |
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| PCD3312C | DTMF/modem/musical-tone generator | NXP Semiconductors | 0x24, 0x25 | |
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| PCD4430 | Programmable tone detector and DTMF generator | NXP Semiconductors | none | |
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| PCD4440 | Analog voice scrambler/descrambler for mobile telephones | NXP Semiconductors | none | |
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| PCD5002 | Pager decoder | NXP Semiconductors | none | |
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| PCF1810 | 8 x 8 cross-point matrix analog switch | NXP Semiconductors | none | |
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| PCF2116 | LCD controller/driver | NXP Semiconductors | none | |
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| PCF8523 | RTC | NXP Semiconductors | 0x68 | |
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| PCF8563 | Real-time clock/calendar | NXP | 0x51 | |
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| PCF8566 | 96-segment LCD driver 1:1 - 1:4 Mux rates | NXP Semiconductors | none | |