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3V – 5V DC (onboard regulator) Interface I2C & SPI I2C Address 0x76 or 0x77 (selectable) Pressure Range 300 – 1100 hPa Pressure Accuracy ±1 hPa (absolute)
especially in Arduino projects
Low ripple
It uses a capacitive humidity sensor and a thermistor to measure the surrounding air
DS18B20 Temperature Sensor frame 3V – 5V DC (onboardDS18B20 Temperature Sensor provides 9 bit to 12 bit Celsius temperature measurements and has an alarm function with nonvolatile user programmable upper and lower trigger points. The DS18B20 communicates over a 1 Wire bus that by definition requires only one data line (and ground) for communication with a central microprocessor. In addition, the DS18B20 can derive power directly from the data line ("parasite power"), eliminating the need for an
US$ 19.95
US$ 110.00
US$ 29.95
