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Automated brightness control for the Raspberry Pi

By martinm, in DIY and Programming, july 27,2018.

Among the accessories available for the Raspberry Pi, the TFT touch display is quite interesting. By combining it with a dedicated enclosure, one gets a tiny all-in-one computer, well suited to monitor various sensors. We like it even more since our YoctoVisualization app now runs on Linux :-) There is only one minor issue with it: brightness control...


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Running an application with systemd when booting Linux

By seb, in Programming, may 25,2018.

This week, we are going to talk about a topic which is not linked only to Yoctopuce modules but which will certainly be of interest to those of our readers who use Raspberry Pi machines or other Linux systems: How to automatically run an application when Linux starts.

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Free geolocalization using Leaflet

By mvuilleu, in Programming, may 12,2018.

OpenStreetMap logo by Ken Vermette [CC BY-SA 2.0]Two years ago, we showed you how to geolocalize a vehicle without using a paying service, with a Yocto-GPS and the Google Maps API. But this month, Google decided to make the use of the Google Maps API billable. This gives us the opportunity to have a look at alternatives based on free and collaborative development, which no longer have anything to envy Google.

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Test of the GT-521F52 fingerprint reader

By martinm, in Reviews and Programming, april 27,2018.

We discovered somewhat by chance the ADH-Tech GT-521F52 fingerprint reader. As it is really affordable, less than fifty US dollars, we decided to buy one two, to see what we could do with it.

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Our new Node-RED package

By seb, in Programming, april 13,2018.

Some time ago, we published a Node-RED node which allowed you to use a Yoctopuce sensor in a Node-RED schema. This week, we publish other nodes which enable you to use Yoctopuce modules other than sensors, such as Yocto-Relays, Yocto-Buzzers, and so on.



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Yoctopuce, get your stuff connected.