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GoPro Hero 10 Black
GoPro releases the new action camera every year. Usually around September. This year was no different and only a few weeks ago we’ve been presented the anniversary release: GoPro Hero 10 Black. I purchased my Hero 10 a few days after the premiere. My target usage for this GoPro was: I need a smaller camera…
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FS1000A and XY-MK-5V – How they work – cheap 433MHz Arduino radio
The FS1000A transmitter and XY-MK-5V 433Mhz receivers are probably the cheapest options if you want to do any kind of radio transmission with Arduino. And many people assume that it will work in their application no problem. The truth is, that it’s not that simple. The way how whose 433MHz radio modules are made puts…
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Gearbest bankrupted
Being an electronics retailer from China is not an easy piece of bread. Competition is fierce and current electronic prices are very high. On top of that, European Union VAT rules became much more strict. Every package that enters the EU has to have VAT collected from the recipient. As a result, fewer people are…
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My YouTube streaming setup
Becoming a YouTuber was one of the most surprising things that happened to me. One day, while laying in my bed, I thought that if some other guys can do it, why can’t I? I know things, I’m not afraid to talk, so maybe it’s something I can do as well. And just like that,…
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Is 6S more efficient than 4S?
There is a popular opinion, a myth maybe, that drones powered by 6S LiPo batteries fly much longer and are much more efficient than their 4S counterparts. You know, lower current and lower KV motors need less current for the same torque. The problem with this opinion is that it’s only partially correct. Yes, the…
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TVS – Transil diodes to the rescue
We like to think that voltage in electronics is, if not constant, then at least it’s not going above the supply voltage. So if we apply 5V at the input of the electronic device, it will never go unintentionally above 5V inside. It is, however, not true. As soon as you add any type of…
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Matek F765-WSE flight controller preview
Who makes the best fixed-wing flight controllers? Most probably Matek. Their series that begun with Matek F405-WING in 2018 is still going strong. Some models are end-of-line and new ones are created. The Matek F765-WSE is the next generation of Matek WING flight controllers that will appear on the market in late Q3, early Q4…
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7-inch Source One long-range drone flies again
My 7-inch TBS Source One was my first 7-inch drone that flew great. For quite some time it was my favorite and the most advanced FPV drone. However, then I designed and started using Pirx Seven, Source One landed in a closet. The fact that it was not DJI HD FPV system compatible only made…
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How to replace the 3d printer nozzle – Prusa i3 MK3S
The Prusa i3 nozzle is of good quality. If you treat it well, it will serve you for years. My Prusa i3 MK3S was printing without absolutely any problems for more than two years. Unfortunately, some of the failed filament experiments left too much fowling in the nozzle and although it was printing fine most…