Pressure & Humidity Sensor Wireling - TinyCircuits
Pressure & Humidity Sensor Wireling - TinyCircuits

Pressure & Humidity Sensor Wireling

AST1025

Regular price $ 12.95 Save $ -12.95

This Wireling lets you measure Humidity and Pressure via the BME280. This sensor is an upgrade from the BMP280 used on our Barometric Pressure TinyShield because it also includes a Humidity Sensor. 

    Bosch BME280 Sensor Specs

    • Digital interface I²C (up to 3.4 MHz) and SPI (3 and 4 wire, up to 10 MHz)
    • Operating range -40…+85 °C, 0…100 % rel. humidity, 300…1100 hPa
    • Humidity sensor and pressure sensor can be independently enabled/ disabled
    • Register and performance compatible with Bosch Sensortec BMP280 digital pressure sensor
    • RoHS compliant, halogen-free, MSL1
    • Pressure Sensor 
    • RMS Noise 0.2 Pa, Equiv. to 1.7 cm
    • Offset temperature coefficient ±1.5 Pa/K, Equiv. to ±12.6 cm at 1 °C temperature change
    • Humidity Sensor:
    • Response time 1 s
    • Accuracy tolerance ±3 % relative humidity
    • Hysteresis ±1% relative humidity

      TinyDuino Power Requirements

      • Voltage: 3.0V - 5.5V 
      • Current:
        • 1.8 µA @ 1 Hz humidity and temperature
        • 2.8 µA @ 1 Hz pressure and temperature
        • 3.6 µA @ 1 Hz humidity, pressure, and temperature
        • 0.1 µA in sleep mode
        •  Due to the low current, this board can be run using the TinyDuino coin cell option.

      Pins Used

      • A5/SCL - I²C Serial Clock line
      • A4/SDA - I²C Serial Data line

      Dimensions

      • 10mm x 10mm (.394 inches x .394 inches)
      • Max Height (from the lower bottom of Wireling to upper top Wireling Connector): 3.70mm (0.15 inches)
      • Weight: 1 gram (.04 ounces)
      • You can also use this Wireling without the TinyDuino – modifying the connecting cable by removing the opposite connector and stripping/tinning the wires, you can solder the connector cable to any other microcontroller board of your choice!   

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