Difference: MinimalLectures (8 vs. 9)

Revision 92024-03-28 - UliRaich

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META TOPICPARENT	name="ASP2022"

Lecture notes

Summary:

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In the 2024 ASP edition, the IoT workshop has been extended to 2 1/2 days and we have a few new devices. First of all, we now have real sensors which measure air temperature, relative humidity and the barometric pressure. This will allow us to create a simplistic weather station.


SHT30 temperature and humidity sensor	BMP180 barometric pressure sensor

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Often it is desirable to have a local display to show results without having to transfer data to a remote machine. A cheap monochrome OLED (Organic LED) display is available for the WeMos D1 mini bus but its resolution of 64x46 pixels is a bit too limited.

It is however easily possible to put an OLED with 128x64 pixels onto a prototype board, which I did for this workshop.


128x64 pixel monochrome OLED display	display prototype board (front)	display prototype board (back)

Also the actuators have been extended with a small stepping motor and its driver board and there are exercises to make the motor move forward and backwards in different modes and speeds.

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