The Curious Engineer

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befinitiv

befinitiv.wordpress.com

Electronics, computer science & more

ElectronicsEmbedded / microcontrollersLinux / UnixRetro computing

Posts
58 from 19 Mar 2012 to 3 Jun 2025
Posting
now and then
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personal blog
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2025 1

  1. 10 years of Wifibroadcast

2024 1

  1. 8cm Portable Bluray Audio Player

2022 5

  1. Running your dedicated 4TB offsite backup server for 7ct per year
  2. Nokia 5110 Communicator
  3. USB-C Battery
  4. DIY Youtube Music Player
  5. Don’t buy Samsung Smartphones

2021 8

  1. Super 8 Camera Digital Conversion
  2. Solar Earbuds
  3. Digital Film Cartridge for Analog Cameras (using Raspberry PI)
  4. Cable Tie Weed Whacker
  5. Turning a USB fan into a phone charger
  6. Installing Linux into a 286 laptop from the year 1989
  7. Android 9 on a GSM phone from year 2000
  8. Eachine Mustang P-51D aileron servo repair

2020 5

  1. USB-C PD for TS100 soldering iron, DPS5005 lab power supply & power drill
  2. Eachine Mustang P-51D Electronics Repair
  3. Lora localization in Jupyter
  4. LoraWAN node with Bluepill, RFM95 & Platform.io
  5. Move to GitHub

2019 2

  1. 36C3 Wifibroadcast Talk
  2. FPV in 4K

2018 3

  1. Teletype ED1000 signal generation with PC sound card
  2. Smartpen with 128×64 RGB POV display
  3. Wireless UART with nothing but a microcontroller

2017 1

  1. TS100 Oscilloscope hack

2015 21

  1. Wifibroadcast RPI FPV image v0.4
  2. Visually appealing time-lapse videos
  3. Wifibroadcast RPI FPV images v0.3
  4. Wifibroadcast RPI FPV images v0.2
  5. Prebuilt Wifibroadcast Raspberry PI FPV images
  6. Latency analysis of the raspberry camera
  7. Enable 2.4GHz RC systems to work with 2.4GHz video systems
  8. Forward error correction for wifibroadcast
  9. Telemetry OSD for wifibroadcast
  10. Diversity for wifibroadcast
  11. Getting used to FPV
  12. Relieable 3+km HD FPV solution
  13. Picture of my ground station and sample video of a weak link
  14. Using Raspberry as a display device for FPV video received via wifibroadcast
  15. Porting wifibroadcast to Android
  16. Details about my flight setup and first tests of wifibroadcast in the air
  17. FPV range test in a park
  18. FPV range and latency test in a noisy environment
  19. Improved retransmission scheme and multiplexing
  20. Finding the right WIFI dongle (And patching its kernel driver and firmware)
  21. (True) Unidirectional Wifi broadcasting of video data for FPV

2014 5

  1. Electrical GO-Kart
  2. How to make a stereogram video
  3. Simple Java script for displaying your webcam images
  4. Turn your amplifier on whenever something starts to play on your ALSA soundcard
  5. Hacking per-port power switching into an USB hub

2012 6

  1. Migrating your contacts from iPhone to Android
  2. Repairing a point and shoot camera with a broken focus motor
  3. Add gyroscopic yaw control to a cheap RC helicopter
  4. Control your home devices by whistling
  5. How to add USB to radio controlled sockets
  6. Serial Bootloader for AVR ATMega8