http://eugenesiow.github.io/sensor-data/

1. Plugins > Manage and Install Plugins
Install TimeManager and OpenLayers Plugins

2. Web > OpenLayers Plugin > OpenStreetMap > OpenStreetMap

3. Sidebar > Click <Add Delimited Text Layer> Button
Click Browse and choose CSV file
Ensure X is Longitude and Y is Latitude
Click OK

4. Choose WGS84, EPSG:4326

5. Points from the CSV should show on the map as such

6. Use the Zoom tool in the toolbar and drag over a region to zoom

7. Choose settings in the TimeManager bar at the bottom of the window
Select the CSV layer (not the basemap)
Select Start Time as the date(time) column in your CSV

8. Specify the Time format with a python time formatting

9. If your TimeManager is activated (as shown below, the power icon
is enabled in the TimeManager bar), the number of dots shown
should be those at the selected time only.

10. Right click the CSV layer and select Properties

11. Change the style to Heatmap
Select a color scheme (OrRd in this case)
Select to weigh points by a value, in this case, ‘Brightness’
Select layer blending mode to be Multiply

12. You should see a heatmap like this

13. Set the time frame size to the interval you want (1 week in this case)
Click ‘Export Video’ in the TimeManager bar and select and output
folder
Click ok

14. You will receive a message when done
A sequence of png files will be exported to the output folder you chose
To combine the png files to a movie, try using ffmpeg
On MacOSX with homebrew:
brew install
Then in the folder:
ffmpeg -framerate 10 -i frame%03d.png output.mp4
An mp4 file will be exported with framerate 10