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2014
Tablets have been the technology of choice for the general consumer for a number of years now, and with Christmas fast approaching there is sure to be a spike in sales of iPads and Android devices.   What if you could choose a tablet that was also Open Source? What if, in fact, you could purchase a tablet that was completely compatible with any software or hardware you created? Well that could fast become a reality following the announcement of a recent Kickstarter campaign that could thro ...
The Internet of Things (IoT) is an expected feature for any new product coming out. But, I’ve noticed that the IoT systems out there are all quite specific. Health monitoring, home control, kitchen appliance… each focusing on their little worlds. But, what if you want to monitor when a mouse trap snaps, the mailbox opens, or someone moved your lunch in the fridge at work? That is where my general purpose IoT system comes into play. Which I will call the PiioT (Pi + IoT) for the rema ...
Introduction Every lab (home, office, school) needs temperature measurement capabilities. Measuring temperature for science experiments is hard – all sorts of materials, liquids, and chemicals may be involved or a large temperature range may need to be covered. The sensor used for this (a thermocouple) is not easy to interface, and the sensor amplifier is non-trivial since it has to be able to measure an extremely small voltage.   For flexibility in the science experiments that it c ...

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