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Category: Linux

Filtering and sorting images passed to FFmpeg

Posted on November 9, 2020November 9, 2020 by meteodrenthe

My Foscam FI9900P IP-camera does not offer an option to only upload images to my server when it’s light out. Additionally, it does not create a directory for each date. Hence, I end up with a directory full of useless images made during the night that also grows enormously over time. In my previous post,…

Converting weather cam images to video with FFmpeg

Posted on November 1, 2020 by meteodrenthe

As of November 2020, I use a Foscam FI9900P as a weather cam. It is configured to upload an image twice a minute to my server over FTP. The latest image is then made available on https://meteodrenthe.nl/#/weercam. The static image is fine, but I also want to be able to show a time lapse, a…

Reading the Meteostick from the Linux terminal

Posted on October 31, 2020July 27, 2022 by meteodrenthe

Recently I obtained several Davis Vantage Pro 2 components. Since I’m not interested in using the Davis console, but want to write sensor readings directly to a database, I looked into the Meteostick. Even though the Meteostick costs around 160 euros, it is still a relatively cheap way to access the readings from Davis sensors.  There…

My personal weather station is located in a small township in the North of the Netherlands.

This blog records updates to my setup, development of components, weather reports and anything related.

Real time data generated by the weather station can be found on meteodrenthe.nl.

Some products and technologies in use:

Davis Vantage Pro 2

Davis AirLink

Davis WeatherLink Live

Barani MeteoShield Pro

Apogee Instruments TS-100

Davis 7714 radiation shield

MetSpec RAD14 radiation shield

Vaisala DRT504

Siap+Micros SMarT CELLino

Wemos D1 Mini microcontrollers

Bosch BMP280/BMP3xx pressure sensors

Sensirion SHT35 temp/hygro sensor

PT100 temperature sensor

10K NTC thermistors

Adafruit breakout boards

ADS1115 analog-to-digital converter

Light intensity sensors

Voltaic Systems solar panels

Foscam FI9900P weather cam

Raspberry Pi Zero W

Custom printed circuit boards

C++ (Arduino code)

Java (server backend)

Angular Framework

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