LoRa Mesh Chat

This is a fairly simple add-on for mobile phones to enable SMS-like messaging in a group when outside cell coverage, or in disaster scenarios. It utilises Semtech LoRa radios, for low-power/long-range communications.

This is a fairly simple add-on for mobile phones to enable SMS-like messaging in a group when outside cell coverage, or in disaster scenarios. It utilises Semtech LoRa radios, for low-power/long-range communications.
It is normal that school is challenging and, at times, deeply so! But sometimes things really do get out of control, and students, unable to communicate to their teachers and advisors how they are feeling, can fall over the edge. It is at this point–when students are burnt out, sleep deprived, and even physically…
Geeetech has unveiled a new cloud 3D printer they have created in the form of the Geeetech GiantArm D200, which has been specifically designed to provide a “consistent and reliable printing experience for users” says developers. Features of the new Geeetech GiantArm D200 cloud 3D printer include filament detector, break-resume capability, WiFi connectivity, and intuitive…
In this interview, the lead developer for the project, Edwin Dalmaijer, who works at the University of Oxford’s Department of Experimental Psychology doing research and programming, provides a fascinating description of PyGaze — an open source toolbox for eye tracking in Python – and the significance of eye tracking in research. My work as a…
We are pretty used to open source boards but this is one of the few tools that are actually Open Souce: PCBGRIP is an electronics assembly system designed to make it easier to assemble and work on electronics. Completely customizable, with open source flexibility, it holds printed circuit boards (PCBs), components, stencils, and everything else…
Google has released a Python-based Google Assistant SDK that’s designed for prototyping voice agent technology on the Raspberry Pi 3. The Google Assistant SDK is initially designed for prototyping voice agent technology on the Raspberry Pi 3 using Python and Raspbian Linux, but it works with most Linux distributions. The SDK lets developers add voice control, natural…
The night of the witches is coming: we need thus to gear up with a suitable decoration, so to create an atmosphere worthy of this celebration. For this circumstance there are many suggestions on the Internet, and specially creations made with 3D printers; among those available on the popular website Thingiverse, we chose a…
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