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Author: Gabor Heja

Using ffmpeg to color correct / color grade a video
Categories: Blog, Dev, Video – Posted on December 10th, 2024December 11th, 2024

Using ffmpeg to color correct / color grade a video

When searching for ffmpeg color correction I always ran into examples with saturation, brightness, contrast and gamma command line options … Continue reading >Using ffmpeg to color correct / color grade a video

WU3 Segments – a free font based on Vienna subway displays
Categories: Blog, Dev – Posted on October 15th, 2024October 20th, 2024

WU3 Segments – a free font based on Vienna subway displays

When I first was on the U3 subway in Vienna last year I noticed how many segments the characters have … Continue reading >WU3 Segments – a free font based on Vienna subway displays

Easy face recognition in Python
Categories: Blog, Dev, Python – Posted on January 4th, 2021October 16th, 2024

Easy face recognition in Python

Although I don’t like and I am against facial recognition in it’s popular context – public space surveillance, use on … Continue reading >Easy face recognition in Python

Receiving and decoding the DCF77 time signal with an ATMega/ATTiny AVR
Categories: Dev, Wireless – Posted on December 12th, 2020December 12th, 2020

Receiving and decoding the DCF77 time signal with an ATMega/ATTiny AVR

DCF77 is a German longwave time signal and standard-frequency radio station – according to Wikipedia. It is used by most … Continue reading >Receiving and decoding the DCF77 time signal with an ATMega/ATTiny AVR

Receiving and decoding 433 MHz radio signals from wireless devices
Categories: Blog, Dev, Wireless – Posted on March 16th, 2020December 15th, 2024

Receiving and decoding 433 MHz radio signals from wireless devices

Wireless devices like temperature and humidity sensors, light switches, garage remotes, power sockets are usually sending and receiving their data … Continue reading >Receiving and decoding 433 MHz radio signals from wireless devices

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Recent Posts

  • Using ffmpeg to color correct / color grade a video
  • WU3 Segments – a free font based on Vienna subway displays
  • Easy face recognition in Python
  • Receiving and decoding the DCF77 time signal with an ATMega/ATTiny AVR
  • Receiving and decoding 433 MHz radio signals from wireless devices

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