Raspberry Pi Hometheater

Raspberry Pi Hometheater

I was a happy user of the first model Apple TV. Then the iTunes ecosystem grew bigger and bigger. On top of that the new Apple TV is cloud- or network-based only. Not all my music can be found in the cloud, and I prefer it nearby, i.e. without the need of access to some NAS or other PC in the network. So I switched to a Raspberry Pi model 2B and 500GB harddisk in combination with Kodi.

Recently I upgraded this box with the model 3 Pi. Here follows the configuration.

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RepRap Mendel hot-end tuning


Hot-end Temperature graph

Tuning the Mendel hot-end, using a Tcl/Tk script for temperature sampling. The firmware used is Marlin v1 on Arduino 1.3.

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Finite Element Modeling


mesh.png

My first, modest, steps in modeling the heaterbarrel of my RepRap 3D Printer. Starting with a 2D model. Not taking into account real-life stuff such as convection, radiation and other effects (I am probably not even aware of :-)

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Draaibank


emcoCompact5.jpg

Voor het ontwikkelwerk aan de RepRap printerkop een draaibankje gekocht bij VDH in Utrecht.

Wat handige links:

Nanotec stepperdriver breakout


nanotec_breakout.png

Now working on a small breakout board for the Nanotec microsteppercontroller. To be used in the RepRap 3D Printer.

For those interested, you can download the Eagle files (.zip 291 KB)
The parts-list you can find on Thingiverse.

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3D Printer

For the RepRap 3D printer ordered the generation 2 electronics at RRRF. The PWM and DC motor driver kits are sold out :-(
The Cartesian (Silver) kit at Bits From Bytes.

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