In a previous post I wrote about tests of the BMP180 pressure sensor. These were not all I hoped for, so I ordered a BMP280 sensor, which is supposedly an upgrade of the BMP180. Perhaps it would give me better results. As it turns out, it appears it does! I only ordered one sensor at […]
The BMP180 barometer
I have long been unhappy with the performance of the Meteostick internal barometer. Although the values it emits are usually totally acceptable, it tends to spike inexplicably multiple times a day. So, this week I finally came around to installing a new sensor, the Bosch BMP180. Its performance compared to the Meteostick can already be […]
Filtering and sorting images passed to FFmpeg
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
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 […]
My Pi Zero + Meteostick setup
I have been using the Meteostick in combination with a Raspberry Pi to process sensor updates from the Davis Vantage Pro 2 setup for about 10 months now. The setup has undergone some changes. Currently, I have the Meteostick connected to a Raspberry Pi Zero W. This has a singular responsibility: read the updates from […]
Reading the Meteostick from the Linux terminal
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 […]
The purpose of this blog
I’ve owned a weather station for several years. Back in 2016, I started out with a Oregon Scientific WMR200. This wasn’t simply a station with a console. Right from the start, for example, I began playing around with an Rfxcom transceiver to process the data transmitted by the sensors on the 433 Mhz frequency. For […]