Hauke’s Projects

Quick Thing: Case for Diamex All-AVR Programmer

The Diamex/Tremex All-AVR programmer for ATmel microcontrollers comes as “naked” populated PCB, no case, no protection against shorts or other damage. I created a case for it, with the following design criteria:

  • Protection against accidental shorts as good as possible.
  • Easy access to the jumpers that control the various operation modes.
  • “Park position” for the jumper that de/activates the external power (since it is often in “off” position and can easily be lost).
  • LED signals need to be visible.
  • Uses the existing mounting holes.

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Replacing Fabtotum Hybrid Head v1 Hotend with E3D Lite6

I replaced the stock hotend of the Fabtotum Personal Fabricator Hybrid Head v1 by an E3D Lite6 hotend (The full metal V6 should work the same way). In this post I describe the steps to remove the old hotend, get in the new hotend and the simple modifications to the firmware that were required.

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Modified Housing for Alber e-motion M25 Remote Control

For a relative that’s paraplegic, I modified the housing of the remote control for the electric wheelchair wheels Alber e-motion M25 to make the usage easier. Mainly, the small housing was made thicker and larger for better handling. Also, one knob was moved to a different position.

The project is not very sophisticated, but I publish it anyhow – perhaps some other handicapped person can benefit from it.

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Convert Window/Door Sensor to Handle Sensor

In order to prevent my venetian window blinds to go down on timer in front of my open window-style terrace door, potentially locking me out, I needed to know if the door handle was in the “open” position. However, I did not want to use a battery powered radio sensor, but the existing door open/close magnetic sensor in the door frame. Here’s my solution.

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