I2C Adresse beim HYT271 Feuchtesensor einstellen

Um mehrere feuchtesensoren vom typ HYT271 o.ä. an einem I2C bus zu betreiben, muss bei den sensoren die standardadresse 0x28 geändert werden.

Dazu gibts zwar (auf nachfrage) vom herstellersupport von HYGROSENS die software "ZSC31210_ZSSC3122_cLiteTester_v1_01", aber leider funktioniert die nur mit spezieller hardware ("SSC Eval Kit …

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Cura-engine-wrapper.py: Helper to call CuraEngine from command line

See also this ultimaker forum thread: http://ultimaker.com/en/community/35622-curaengine-command-line-use-cura-profiles-instead-of-s-options …

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Museum: Apple Newton MessagePad 130

Old Apple Newton MessagePad 130

(click to view large image)Click to close

Maybe at some time i will get to revive it and get it running again. As a first step i looked what is there and took some photos.

Pictures

Overview:

  • Newton MessagePad 130
  • Charging/docking station with stylus pen
  • Manual
  • Power supply
  • External QWERTZ keyboard …
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Museum: DIY Analog Digital Converter PCI Card

A vintage 12 Bit 100 kHz ADC PCI card i built during my studies (last century, around 1993).

(click to view large image)Click to close

Hardware:

  • ADC Chip is a Analog Devices AD1674KN, 12 Bit, 100 kHz
  • Three 74LS224AN chips to create a 16x12bit FIFO
  • UM8253-5 - Programmable Interval Timer for clocking
  • D8255AC general purpose programmable input/output …
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Relative strenght test - evaluate layer bonding

This is a tensile test to judge layer bonding/strength of 3d printed parts (FDM).

(click to view large image)Click to close(click to view large image)Click to close(click to view large image)Click to close

Wanted to evaluate the z-strength of functional 3d parts, printed with ddPrint.

As we know, a FDM printed part is weaker in Z-direction than in the XY-directions. Good layer bonding means good Z-strength.

Layer bonding …

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ddPrint - Adding Process control to FDM printers

Note:Work in progress, documentation is incomplete and partly outdated.
Note:Development takes place on the next branch on github, code and documentation (this readme) may be more up to date there.

Overview

DDPrint adds process control to FDM printer.

The process that is to be controlled is the process …

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3D Druck Dienste

Ingenieur Rieger - Ihr Fachmann für den 3D Druck (FDM).

  • Beratung und Hilfe beim Einsatz des 3D Drucks in Ihrem Unternehmen.
  • Erstellung von Prototypen im 3D Druckverfahren.
  • Erstellung von Ersatzteilen im 3D Druckverfahren.
  • Spezialisiert auf funktionale/stabile Teile.
  • Urheber des ddPrint Drucksystems.

Ein paar Beispiele von 3D gedruckten Teilen finden Sie …

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