Playing around with SDRs for more than 14 years now, I learnt a lot. Not on a very professional level, but on a hobbyist niveau.I went through developing some firmware for the CY7C68013A, a framework for transferring IQ data from SDRs to processing modules, implemented...

Well, this is not something you usually would to in an everyday scenario. But as I recently received my Steam Deck, I could not resist to check out its capabilities. It is meant for gaming. But… why not run a spectrum analyzer software on it?...

Before I go into GSM Analyzer details a few words regarding the hardware. I was using various SDR devices in the last years. Started using specialized hardware named USB-RX a friend designed and also HiQ-SDR, RTL dongles etc. The most mature one was the USB-RX...

I made a custom LIBS software for analyzing spectral measurements. But first of all – what is LIBS? LIBS stands for Laser-Induced Breakdown Spectroscopy, which is in simple words: smashing a beam of photons into some material, leaving a crater and a glowing dust cloud...

I started flying FPV quads for a bit of freestyle flying about two years ago. Not very skilled, but also flying every now and then, so no real focused learning. Quickly I jumped onto the TBS Crossfire train and bought a TBS Tango 2 and...

I own FPV goggles from Eachine and have been very happy with them. Yes, you look like an idiot with a brick on your forehead, but the antennas make you look more like a Johnny 5 fan, which is cool again. At least was 3...

Ages ago I received a defective Keithley SourceMeter 2400 that I could easily repair. I also have an old AOR A5000. Both are remotely controllable using their RS232 interface. But nowadays long RS232 cables aren’t quite state of the art and placing USB cables through...

Some time ago I built an aliexpress-part-based FPV quad and started flying around. Well… A few days later I had to buy the same parts again. Due to winds I totally lost control and the drone went out of range just while I hit the...

Since we own our house with a pellet heating system, it does its job day for day and delivers the warmth you’d expect from it. It rarely fails. Well, rarely. Except when I forget to refill the pellet container which has to be done every...