You are here: start » interfaces » bme280

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revisionPrevious revision
Next revision		Previous revision
interfaces:bme280 [2016/10/02 02:53] – darroninterfaces:bme280 [2016/10/02 04:10] (current) – [Raspberry Pi] darron
Line 1: Line 1:
 ==== BME280 multi-purpose sensor ==== ==== BME280 multi-purpose sensor ====
 <wrap right> <wrap right>
-{{:interfaces:bme280.jpg?200}} \\ +{{:interfaces:bme280.jpg?200}} 
-{{:interfaces:bme280-pressure.png?200}} \\ +\\ \\
-{{:interfaces:bme280-humidity.png?200}} \\+
 {{:interfaces:bme280-temperature.png?200}} {{:interfaces:bme280-temperature.png?200}}
 +\\ \\
 +{{:interfaces:bme280-humidity.png?200}}
 +\\ \\
 +{{:interfaces:bme280-pressure.png?200}}
 </wrap> </wrap>
  
Line 31: Line 34:
  
 With the miniature board (purple device in photo), the four wires hook up the BME280 to the Pi. Two wires are for power and two for communications. Power is supplied from the Pi 3V3 pin which is connected to the board's Vin pin. For safety you may wire the board with the Pi disconnected from it's power source and only power it up when satisfied the wiring is correct. With the miniature board (purple device in photo), the four wires hook up the BME280 to the Pi. Two wires are for power and two for communications. Power is supplied from the Pi 3V3 pin which is connected to the board's Vin pin. For safety you may wire the board with the Pi disconnected from it's power source and only power it up when satisfied the wiring is correct.
 +
 +Install [[projects:telegraph|Telegraph]] and use it's BME280 demo for PHP and the apache2 web server to create and display graphs of the sensor (see the three graphs on this page).
 +
 +Within the [[projects:telegraph|Telegraph]] directory you will find the `demo' directory and within
 +that `bme280'. Two further directories exist, the `etc' directory demonstrates how to set up telegraph to poll the BME280 device and store the results in a database. The `htdocs' directory contains files which you can be served by the apache2 web server to display images like the examples on this web page.