Below is some detail regarding the latest project I have been working on. Which is near completion.
I plan to wire it up permanently, place within a case and wall mount it.
Some of the images don’t come up too great in the video, I have included the actual images used [at my site here].
I created a simple one line bash script that polls for the temperature every 5 mins.
The main python program uses pygame to write to the TFT via a framebuffer and Matplotlib is used to create the Graphs.
The display can be changed by either the button on the breadboard or via the remote FOB.
What is being displayed:
Last recorded temperature.
Rotate between time and temperature.
Graph of recorded temperature for the last 12 hours.
Graph of recorded temperature for the last 24 hours.
Graph of recorded temperature for the last 7 days.
To prevent the SD card filling up with data, when started, the user will be prompted to delete data older then 7 days.
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