User:Bertrik Sikken

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User info Bertrik Sikken
Name Bertrik Sikken
Nick bertrik
Tagline heb ik niet

You can reach me at bertrik@sikken.nl or bertrik@gmail.com

Studied Electrical Engineering at Twente University.


Main interests:

  • reverse-engineering things (USB stuff, mp3 players), working on http://rockbox.org
  • studying bats and making electronics for recording/listening to bat sounds
  • software-defined radio


New project ideas:

  • Use two old satellite dishes to allow speech to be transferred over some distance
    • Figure out focal point
    • Create some kind of dish mount
  • Create a RFM69HW TNC, based on code by flok
    • Remove 'flok' framing, make it comply with KISS protocol
    • Use 'infinite' package length mode to send typical TCP/IP frames (1500 bytes)
  • Create a 'HabAlert' android app, see HabAlertApp
  • add opus audio codec support to squeezeboxserver and/or squeezelite
    • an opus web radio stream already seems to be redirected to the client, but squeezelite crashes on it
  • create code for remote control of my ZwaaiLicht
    • implement wireless protocol for the NOMZ message ("\x4NOMZ") on address 0x66996699L (no ack)
    • possibly implement a more capable protocol on a different pipe (with ack, learn about extra pipes on NRF24L01+)
    • possibly split control of the light and the motor
  • create a FrontDoorDisplay
    • clearly indicates the RevSpace door bell
    • show short scrolling text messages, e.g. to food delivery people
    • remote control over NRF24, e.g. enable/display the display of messages, set the text to be displayed


Laser cutting: I would like to get more creative with the laser cutter, starting with cutting existing designs, for example: