BME280 Air Pressure Sensor(EF04087)
Introduction
Octopus BME280 Pressure Sensor is an electric brick integrating temperature sensor, air pressure sensor and humidity sensor onboard. We can use it to calculate the altitude according to the measured air pressure.
Products Link
ELECFREAKS Octopus BME280 Pressure Sensor
Characteristics
Low power consumption and small size. 3mm standard positioning hole. 3.3v power supply Support I2C and SPI protocol.
Parameter
| Item | Parameter |
|---|---|
| Name | Octopus BME280 Pressure Sensor |
| Version | V1.0 |
| SKU | EF04087 |
| Working Voltage | DC 1.2V-3.6V |
| Connector Type | IIC（mode 3.4MHz）or SPI（3-wire or 4-wire mode10MHz） |
| Relative Humidity Range | 0%～100% , response time：over 1s |
| Humidity Tolerance | ±2%；Humidity Hysteresis：±1%；Resolution: 0.8% |
| Air Pressure Measure Range | 300～1100hPa |
| Air Pressure Tolerance | ±1hPa 分辨率0.18Pa |
| Temperature Measure Range | 0℃～65℃ |
| Temperature Tolerqance | ±0.5℃ Max:±1℃；Resolution: 0.1℃ |
| Size | 31 x 23 mm |
Outlook and Dimensions
Quick to Start
Hardware Connection
Connect the sensor to I2C connector on octopus:bit using a jumper cable. Insert micro:bit into the octopus:bit.
Software Programming
Purpose
Test the air pressure value and show it on the micro:bit.
Add Package
Click "Advanced"in the choice of the MakeCode to find more choices.
Click "Add Package", search "weather"in the dialog box and then download weather-bit.
Program as the picture shows and read the air pressure value:
Links:
https://makecode.microbit.org/_cPih8ybrDXuz
You can also download the links below:
Result
The air pressure value is scrolling on the micro:bit, the unit is MPa.