Quadcopter using a Multiwii – Assembly

In the second part of this tutorial will proceed to the assembly of the Quadcopter . If you want to see part 1, which are the various components shown , you can do it here. Before beginning assembly it’s necessary to do the welding operations. If you have no experience in this area, ask for help to avoid accidents. It’s necessary to weld the bullets … Continue reading Quadcopter using a Multiwii – Assembly


MongoDB on Raspberry Pi Model 1

One of my projects is to automate a LEGO City, especially the train section. For that i need a place to save all the information. Initially choose a SQL database (MySQL), but as necessary to create custom tables for each case and create relations. But as i didn’t know what information was supplied by the City and i would need a communication protocol ( i’ll use MQTT. In the future i’ll write a tutorial how to use it) i choose a NoSQl database, MongoDB.

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