RepRap Prusa Mendel V2 Complete Build

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Building my very first 3D printer was quite traumatic and time consuming but also fun and rewarding! I don’t suggest building your own unless you have a love for tinkering, and making. There are some other qualities that will come in handy such as tendency’s for hacking, electronics, and computers. As this is a computer controlled machine complete with a microcontroller you MUST know how to turn a computer on. Be aware that building your own RepRap is more like getting a hobby than getting a project.

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DIY Arduino Oscilloscope with the Nokia 3310 GLCD screen

I’ve seen videos on YouTube using an Arduino and a Graphical LCD screen (GLCD) to create a simple Oscilloscope. The annoying thing is that I found no help whatsoever on how to build one. I spent a few days figuring out how to use the Nokia 3310 LCD screen and then figuring out how to sample an analog port to create a fun oscilloscope effect.

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Automatic chicken door version two.

As it is getting cold again and my chickens made it through the summer just fine, it is time to revisit and revitalize my automatic chicken door.

The older model was a large door that slid on a track that would get leaves, snow, and ice messing the whole thing up. Also the mecanisim that opened the door was a string that tension was held on with springs, the string would knot up and stop working, blowing the fuse sometimes.

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