Difference between revisions of "User:Bertrik Sikken"

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Studied Electrical Engineering at Twente University.
 
Studied Electrical Engineering at Twente University.
Love reverse-engineering things (USB stuff, mp3 players).
+
 
Enjoy studying bats and making electronics for recording bat sounds.
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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
 +
 
 +
Project ideas:
 +
* do cool stuff with NRF24L01+ modules, e.g. connect one to the SPI bus of a Raspberry Pi
 +
* experiment with [http://mqtt.org MQTT], a light-weight publish/subscribe framework for telemetry data
 +
* put the things above together in some kind of home automation project
 +
* build a colinear antenna out of RG-6 coaxial cable for the 70cm band (for receiving high-altitude balloons)
 +
* more radio stuff with the ham-it-up
 +
* implement dominoex/thor radio mode for a balloon payload, perhaps build a light-weight reusable library
 +
* come up with an algorithm to determine position/direction of bats as they pass a set of ultrasonic microphones
 +
** I've tried direct correlation, works but sometimes gives errors on bat calls with little frequency sweep
 +
** Planning to try correlation of only the amplitude data (derived with a Hilbert transform)

Revision as of 14:49, 1 December 2013

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

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

Project ideas:

  • do cool stuff with NRF24L01+ modules, e.g. connect one to the SPI bus of a Raspberry Pi
  • experiment with MQTT, a light-weight publish/subscribe framework for telemetry data
  • put the things above together in some kind of home automation project
  • build a colinear antenna out of RG-6 coaxial cable for the 70cm band (for receiving high-altitude balloons)
  • more radio stuff with the ham-it-up
  • implement dominoex/thor radio mode for a balloon payload, perhaps build a light-weight reusable library
  • come up with an algorithm to determine position/direction of bats as they pass a set of ultrasonic microphones
    • I've tried direct correlation, works but sometimes gives errors on bat calls with little frequency sweep
    • Planning to try correlation of only the amplitude data (derived with a Hilbert transform)