Name | Parameter |
Temperature measurement range | -40°-85° |
Humidity measurement range | 0%-100% |
Light intensity measurement range | 0.045lux-188000lux |
Air pressure measurement range | 300-1100hpa |
Response frequency | 10HZ |
Working voltage | 3-5V |
Working current | 5mA |
Working temperature | -40°-85° |
Storage temperature | -40°-125° |
Size | 24.3 x 26.7mm |
Sensor chip | ME280+MAX44009 |
PIN Description | Parameter | |
Pin1 | VCC | Power+ (3-5V) |
Pin2 | CT | Serial port UART_TX/IIC_SCL |
Pin3 | DR | Serial port UART_RX/IIC_SDA |
Pin4 | GND | Power ground |
Pin5 | NC | Reserved, don't connect |
Pin6 | INT | Max44009 light intensity chip interrupt S0-1 (enabled when connected to GND) |
Pin7 | SDA | Chip data bus S0-1 (enabled when connected to GND) |
Pin8 | SCL | Chip clock bus S0-1 (enabled when connected to GND) |
PinA | S0 | Serial/MCU_IIC mode selection |
PinB | S1 | Use only sensor chip selection |
S0=1 (default) | Serial UART mode, Pin2 is TX, Pin3 is RX, TTL level |
S0=0 (when connected to GND) | MCU_IIC mode, Pin2 is SCL, Pin3 is SDA |
S1=1 (default) | MCU+ chip mode, Pin7, Pin8, please do not have any connection |
S1=0 (when connected to GND) | Chip mode only, Pin7 is the chip SCL bus, Pin8 is the chip SDA bus |
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