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FrSky R-XSR pinout
GND – ground wire +3,5-10V – positive voltage supply. R-XSR is rated up to 10V and powering it from 5V is the best option SmartPort – inverted S.Port pin (standard) – can be used directly with STM32F3 and F7 series SBUS – SBUS protocol output SBUS Input – for redundancy function only Uninverted SmartPort –…
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FrSky Taranis Q X7 and X7S – is it still worthy?
FrSky Taranis QX7 appeared on the market a few years ago and got quite a lot of popularity in its time. There were reasons for that:
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Dalprop Nepal N1 5" propellers
This weekend, thanks to Foxeer, I had an opportunity to test flight new Dalprop freestyle props: Nepal N1. Although the name is a puzzle for me, I’m pretty sure Dalprop Nepal N1 might make some stirr!
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INAV and DJI HD FPV system – there is a light at the end of the tunnel
When DJI did not decide to add INAV and Ardupilot to the list of the supported flight controller for the HD FPV system, some people were, at least, disappointed. Long story short: DJI OSD works only with Betaflight. Period. Until today, DJI avoids the answer to the question if INAV and Ardupilot will be supported.…
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Drone and RC airplane motors – everything you wanted to know but you were afraid to ask!
Today, let's have a nice talk about brushless electic motors we use in the RC hobby. Both on airplanes, as well as on drones. In this video we will discuss: motor size motor KV and rotation speed KV versus KT as motor constants stator and rotor number of coils and poles winding phases airflow and…
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DJI FPV System & INAV – current situation
When DJI released updated firmware for their DJI FPV system with improved OSD, Betaflight users started cheering. The move to add OSD with elements like GPS position, the artificial horizon, etc is kind of puzzling. It works only with Betaflight flight controllers and a typical user of Betaflight does not really need it. After all,…
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Pirx Seven – The ultimate custom 7-inch FPV frame, part 1
Do you know this old saying “If you want something done right, do it yourself”? I do and sometimes I just live according to it. Not always, I’m not crazy, but at least from time to time! I fly 7-inch FPV drones a lot. To be honest, they are my favorite flying devices. There are…
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Your first 7-inch FPV drone
I love 7-inch FPV drones and during the last year, they were my most used FPV gear. For freestyle, cinematic, cruising and long-range. I currently own 3 7-inch FPV drones and 4th one in the assembly process. I think of myself as a 7-inch expert. I’ve wasted enough money and equipment to know what works…
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Matek VTX-1G3, VRX-1G3 and ANT-Y1200 ready for testing
The upcoming 1.2GHz FPV system from Matek called 1G3, where VTX-1G3 is the transmitter and VRX-1G3 is the transmitter and ANT-Y1200 is the antenna, are ready for some flights! So far I have a couple of remarks: VRX-1G3 fits nicely inside a standard Far Shark receiver bay and you can use the standard bay cover…