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# I2C devices
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Tasmota supports several I2C devices. To use them I2C and the device need to be enabled at compile time. I2C and some devices are supported also in the official releases. Devices can be de/-actived on runtime to solve possible address conflicts. (e.g. address 0x27 is used by multiple devices)
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Using command ``I2cDriver`` individual drivers can be enabled or disabled at runtime allowing duplicate I2C addresses at compile time. Use the Index from the table below to control I2C drivers like ``I2cDriver10 0`` for disabling BMP support.
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## Supported I2C devices
The following table lists the supported I2C devices
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Index | Define | Driver | Device | Address(es) | Description
------|---------------------|---------|----------|-------------|-----------------------------------------------
1 | USE_PCA9685 | xdrv_15 | PCA9685 | 0x40 - 0x47 | 16-channel 12-bit pwm driver
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2 | USE_PCF8574 | xdrv_28 | PCF8574 | 0x20 - 0x26 | 8-bit I/O expander
2 | USE_PCF8574 | xdrv_28 | PCF8574A | 0x39 - 0x3F | 8-bit I/O expander
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3 | USE_DISPLAY_LCD | xdsp_01 | | 0x27, 0x3F | LCD display
4 | USE_DISPLAY_SSD1306 | xdsp_02 | SSD1306 | 0x3C - 0x3D | Oled display
5 | USE_DISPLAY_MATRIX | xdsp_03 | HT16K33 | 0x70 - 0x77 | 8x8 led matrix
6 | USE_DISPLAY_SH1106 | xdsp_07 | SH1106 | 0x3C - 0x3D | Oled display
7 | USE_ADE7953 | xnrg_07 | ADE7953 | 0x38 | Energy monitor
8 | USE_SHT | xsns_07 | SHT1X | Any | Temperature and Humidity sensor
9 | USE_HTU | xsns_08 | HTU21 | 0x40 | Temperature and Humidity sensor
9 | USE_HTU | xsns_08 | SI7013 | 0x40 | Temperature and Humidity sensor
9 | USE_HTU | xsns_08 | SI7020 | 0x40 | Temperature and Humidity sensor
9 | USE_HTU | xsns_08 | SI7021 | 0x40 | Temperature and Humidity sensor
10 | USE_BMP | xsns_09 | BMP085 | 0x76 - 0x77 | Pressure and temperature sensor
10 | USE_BMP | xsns_09 | BMP180 | 0x76 - 0x77 | Pressure and temperature sensor
10 | USE_BMP | xsns_09 | BMP280 | 0x76 - 0x77 | Pressure and temperature sensor
10 | USE_BMP | xsns_09 | BME280 | 0x76 - 0x77 | Pressure, temperature and humidity sensor
10 | USE_BMP | xsns_09 | BME680 | 0x76 - 0x77 | Pressure, temperature, humidity and gas sensor
11 | USE_BH1750 | xsns_10 | BH1750 | 0x23, 0x5C | Ambient light intensity sensor
12 | USE_VEML6070 | xsns_11 | VEML6070 | 0x38 - 0x39 | Ultra violet light intensity sensor
13 | USE_ADS1115 | xsns_12 | ADS1115 | 0x48 - 0x4B | 4-channel 16-bit A/D converter
14 | USE_INA219 | xsns_13 | INA219 | 0x40 - 0x41, 0x44 - 0x45 | Low voltage current sensor
15 | USE_SHT3X | xsns_14 | SHT3X | 0x44 - 0x45 | Temperature and Humidity sensor
15 | USE_SHT3X | xsns_14 | SHTC3 | 0x70 | Temperature and Humidity sensor
16 | USE_TSL2561 | xsns_16 | TSL2561 | 0x29, 0x39, 0x49 | Light intensity sensor
17 | USE_MGS | xsns_19 | Grove | 0x04 | Multichannel gas sensor
18 | USE_SGP30 | xsns_21 | SGP30 | 0x58 | Gas (TVOC) and air quality sensor
19 | USE_SI1145 | xsns_24 | SI1145 | 0x60 | Ultra violet index and light sensor
19 | USE_SI1145 | xsns_24 | SI1146 | 0x60 | Ultra violet index and light sensor
19 | USE_SI1145 | xsns_24 | SI1147 | 0x60 | Ultra violet index and light sensor
20 | USE_LM75AD | xsns_26 | LM75AD | 0x48 - 0x4F | Temperature sensor
21 | USE_APDS9960 | xsns_27 | APDS9960 | 0x39 | Proximity ambient light RGB and gesture sensor
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22 | USE_MCP230xx | xsns_29 | MCP23008 | 0x20 - 0x26 | 8-bit I/O expander
22 | USE_MCP230xx | xsns_29 | MCP23017 | 0x20 - 0x26 | 16-bit I/O expander
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23 | USE_MPR121 | xsns_30 | MPR121 | 0x5A - 0x5D | Proximity capacitive touch sensor
24 | USE_CCS811 | xsns_31 | CCS811 | 0x5A | Gas (TVOC) and air quality sensor
25 | USE_MPU6050 | xsns_32 | MPU6050 | 0x68 - 0x69 | 3-axis gyroscope and temperature sensor
26 | USE_DS3231 | xsns_33 | DS3231 | 0x68 | Real time clock
27 | USE_MGC3130 | xsns_36 | MGC3130 | 0x42 | Electric field sensor
28 | USE_MAX44009 | xsns_41 | MAX44009 | 0x4A - 0x4B | Ambient light intensity sensor
29 | USE_SCD30 | xsns_42 | SCD30 | 0x61 | CO2 sensor
30 | USE_SPS30 | xsns_44 | SPS30 | 0x69 | Particle sensor
31 | USE_VL53L0X | xsns_45 | VL53L0X | 0x29 | Time-of-flight (ToF) distance sensor
32 | USE_MLX90614 | xsns_46 | MLX90614 | 0x5A | Infra red temperature sensor
33 | USE_CHIRP | xsns_48 | CHIRP | 0x20 | Soil moisture sensor
34 | USE_PAJ7620 | xsns_50 | PAJ7620 | 0x73 | Gesture sensor
35 | USE_INA226 | xsns_54 | INA226 | 0x40 - 0x41, 0x44 - 0x45 | Low voltage current sensor
36 | USE_HIH6 | xsns_55 | HIH6130 | 0x27 | Temperature and Humidity sensor
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37 | USE_24C256 | xdrv_10 | 24C256 | 0x50 | Scripter EEPROM storage
38 | USE_DISPLAY_ILI9488 | xdsp_08 | FT6236 | 0x38 | Touch panel controller
39 | USE_DISPLAY_RA8876 | xdsp_10 | FT5316 | 0x38 | Touch panel controller
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40 | USE_TSL2591 | xsns_57 | TLS2591 | 0x29 | Light intensity sensor
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41 | USE_DHT12 | xsns_58 | DHT12 | 0x5C | Temperature and humidity sensor
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42 | USE_DS1624 | xsns_59 | DS1621 | 0x48 - 0x4F | Temperature sensor
42 | USE_DS1624 | xsns_59 | DS1624 | 0x48 - 0x4F | Temperature sensor
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43 | USE_AHT1x | xsns_63 | AHT10/15 | 0x38 - 0x39 | Temperature and humidity sensor
43 | USE_AHT2x | xsns_63 | AHT20 | 0x38 | Temperature and humidity sensor
2020-02-21 05:05:55 +00:00
44 | USE_WEMOS_MOTOR_V1 | xdrv_34 | | 0x2D - 0x30 | WEMOS motor shield v1.0.0 (6612FNG)
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45 | USE_HDC1080 | xsns_65 | HDC1080 | 0x40 | Temperature and Humidity sensor
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46 | USE_IAQ | xsns_66 | IAQ | 0x5a | Air quality sensor
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47 | USE_DISPLAY_SEVENSEG| xdsp_11 | HT16K33 | 0x70 - 0x77 | Seven segment LED
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48 | USE_AS3935 | xsns_67 | AS3935 | 0x03 | Franklin Lightning Sensor
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49 | USE_VEML6075 | xsns_70 | VEML6075 | 0x10 | UVA/UVB/UVINDEX Sensor
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50 | USE_VEML7700 | xsns_71 | VEML7700 | 0x10 | Ambient light intensity sensor
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51 | USE_MCP9808 | xsns_72 | MCP9808 | 0x18 - 0x1F | Temperature sensor
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52 | USE_HP303B | xsns_73 | HP303B | 0x76 - 0x77 | Pressure and temperature sensor
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53 | USE_MLX90640 | xdrv_43 | MLX90640 | 0x33 | IR array temperature sensor
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54 | USE_VL53L1X | xsns_77 | VL53L1X | 0x29 | Time-of-flight (ToF) distance sensor
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55 | USE_EZOPH | xsns_78 | EZOPH | 0x61 - 0x70 | pH sensor
55 | USE_EZOORP | xsns_78 | EZOORP | 0x61 - 0x70 | ORP sensor
55 | USE_EZORTD | xsns_78 | EZORTD | 0x61 - 0x70 | Temperature sensor
55 | USE_EZOHUM | xsns_78 | EZOHUM | 0x61 - 0x70 | Humidity sensor
55 | USE_EZOEC | xsns_78 | EZOEC | 0x61 - 0x70 | Electric conductivity sensor
55 | USE_EZOCO2 | xsns_78 | EZOCO2 | 0x61 - 0x70 | CO2 sensor
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55 | USE_EZOO2 | xsns_78 | EZOO2 | 0x61 - 0x70 | O2 sensor
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55 | USE_EZOPRS | xsns_78 | EZOPRS | 0x61 - 0x70 | Pressure sensor
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55 | USE_EZOFLO | xsns_78 | EZOFLO | 0x61 - 0x70 | Flow meter sensor
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55 | USE_EZODO | xsns_78 | EZODO | 0x61 - 0x70 | Disolved Oxygen sensor
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55 | USE_EZORGB | xsns_78 | EZORGB | 0x61 - 0x70 | Color sensor
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55 | USE_EZOPMP | xsns_78 | EZOPMP | 0x61 - 0x70 | Peristaltic Pump
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56 | USE_SEESAW_SOIL | xsns_81 | SEESOIL | 0x36 - 0x39 | Adafruit seesaw soil moisture sensor
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57 | USE_TOF10120 | xsns_84 | TOF10120 | 0x52 | Time-of-flight (ToF) distance sensor
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58 | USE_MPU_ACCEL | xsns_85 | MPU_ACCEL| 0x68 | MPU6886/MPU9250 6-axis MotionTracking sensor from M5Stack
2021-06-27 12:53:19 +01:00
59 | USE_BM8563 | xdrv_56 | BM8563 | 0x51 | BM8563 RTC from M5Stack
2021-07-10 22:16:31 +01:00
60 | USE_AM2320 | xsns_88 | AM2320 | 0x5C | Temperature and Humidity sensor
61 | USE_T67XX | xsns_89 | T67XX | 0x15 | CO2 sensor
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62 | USE_SCD40 | xsns_92 | SCD40 | 0x62 | CO2 sensor Sensirion SCD40/SCD41
2021-10-08 12:59:11 +01:00
63 | USE_HM330X | xsns_93 | HM330X | 0x40 | Particule sensor
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64 | USE_HDC2010 | xsns_94 | HDC2010 | 0x40 | Temperature and Humidity sensor