The Raspberry Pi has a series of GPIO (general purpose input/output) pin-outs that can be used for reading signals and controlling relays etc.You can use these pinouts diretly (Read the introduction here: https://www.raspberrypi.org/documentation/usage/gpio-plus-and-raspi2/README.md) or you can buy one of the many available “hats” that uses these pinouts. How about a 16 notes piano hat? Or a hat for Arduino? Find the definitions and more about hats here: https://pinout.xyz/

gpio-numbers-pi2

Monitoring of buildings and housing

The danish Teknologisk Institut has a conference on “intelligent buildings” covering a lot of the subjects, that’s in play for monitoring our housing conditions in 2017. The agenda (in danish) is shown below. Link to the TI page. As I … Continued

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Power controller – and then some

Steen Garber Enevoldsen has a detailed description of building a Raspberry Pi power controller with a lot of sample code for network identification, user authentication and GPIO control. Published as a series of articles in danish on Computerworld: http://www.computerworld.dk/art/236690/overblik-saadan-bygger-du-en-dims-der-kan-slukke-for-andre-dimser You … Continued

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Expansion board for industrial use

You can find a lot of different add on boards for the Raspberry Pi to make it even more usefull in industrial monitoring. Sferalabs have made a Strato Pi board with a raltime clock and RS232 interface and more: 9-28Vdc … Continued

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