Category Archives: Innovation and new tech

Touchscreen on Raspberry PI, to show key performance data

A tiny touchscreen on portable Raspberry PI (RPI) might be very helpfull for showing sensor values or key performance data like memory, CPU level or disk space left. My intention is to build a portable air quality monitoring tool based … Continue reading

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Wireless router with 4G USB modem/dongle, by ROOTer

Previously I managed to get the OpenWRT working on a wireless router. As this router also has an USB port, I tried to get an USB 4G dongle working on it. After realizing that the solution is very much dependent … Continue reading

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Six Thinking Hats, a method to talk about ideas, problems and challenges

Six Thinking Hats method can be useful when taking a discussion/workshop with several participants and at the same time you want to make sure that you will get some concrete results out of the session. This method nicely gives a … Continue reading

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Raspberry Pi and physical interfaces, part 2

This blog continues from the previous blog Raspberry Pi and physical interfaces. Case: GPIO with 1 LED output and 2 inputs First the push button & LED example is modified to include also another input, a hall switch. For the … Continue reading

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Fritzing, tool for documenting Raspberry Pi projects

Fritzing is an open source tool, which is great for documenting your Raspberry Pi projects. Their library contains several electronic parts, and if needed, one can create own components too. For advanced usage, one can even order PCBs (Printed Circuit … Continue reading

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Raspberry Pi and physical interfaces

Raspberry Pi contains several GPIO pins, which can be used as digital input or outputs (GPIO = General-purpose input/output). For example, if GPIO4 is defined as output, then setting the output value to 1 provides 3.3V into that physical pin … Continue reading

Posted in DIY, For Fun or Interest, Gadgets, Hobbies and Other Interests, Innovation and new tech, Internet of Things and M2M, Raspberry Pi, Tests, Tips | Comments Off

Raspberry Pi camera and telescope, first tests

I got B+ model of the Raspberry Pi as christmas gift. Then I saw the size of the camera module, and I just had to go and buy one. I have been testing different webcam and digital camera setups with … Continue reading

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