QuadMeUp

  • Dalprop FOLD F5 folding 5-inch propellers

    Foldable propellers are nothing new. We use them on RC airplanes and consumer-ready drones like DJI Mavic for years. But they were never available for 5-inch mini quads! Until now that is, since just today I got a package from Foxeer with 2 (2 and a half) sets of brand new Dalprop FOLD 5.1″ folding…

  • STM32 F1, F3, F4, G4, F7 and H7 flight controllers

    Currently, almost all flight controllers we use on our multirotor FPV drones and airplanes are powered by microcontrollers from an STM32 family. When we say about flight controller families or generations, we refer to them by the family of the MCU. For example: F1 flight controllers are no longer supported or You should get F7…

  • Betaflight 4.2 Gyro, Looptime and Gyro Stage 2 Lowpass Filter

    Betaflight 4.2 brings some very important changes to how various tasks are processed. Especially how gyro,m filtering and PID loop are working together. First of all, the gyro is sampled always at the gyro native speed. This means, MPU6000 will be sampled at 8kHz. Always. At the same time, PID and filtering are working as…

  • Betaflight 4.2 – new features and most important changes

    It’s been a while since we had the last release of Betalight. After all, Betaflight 4.1 was released in October 2019. Half a year ago. Luckily, developers were not hibernating over the winter, and brand new, 4.2, release is scheduled for May 2020. Slightly more than 2 weeks from now. Below is the list of…

  • The best RC radio transmitters for Q2 2020

    The last year was a good year in terms of new radio transmitters. It’s no longer a choice between FlySky and FrSky. We have new players and new products. Below is my, very subjective, overview of the most interesting radios on the market. Still the best – FrSky X10S Horus In my very personal opinion,…

  • Corsair K63 Wireless Mechanical Keyboard Review

    I spend up to 12 hours daily in front of a personal computer. I am a professional software developer, open-source developer, YouTube creator and I run a couple of smaller websites, including this one. I write. A lot. I am also a happy owner of Logitech G915 Mechanical Keyboard. It’s great but it’s also big…

  • ESP8266, ESP32 and ESP32-S2 comparison

    Currently, there are 2 types of MCU from Espressif on the market: ESP8266 from 2014, ESP32 from 2016 and ESP32-S2 that debuted in the second half of 2019. Although ESP32-S2 is not yet very popular, it is expected it will replace ESP8266 as a cheaper, more powerful and more secure alternative in the upcoming years.…

  • All the INAV sensors: are they required or optional?

    INAV can use various sensors to fly drones and airplanes: gyroscopes, accelerometer, magnetometers, barometers, GPS, OpFlow, rangefinders, and airspeed. Some of them required some are recommended and some are a purely optional piece of hardware. Here is the full list: INAV Sensors: Gyroscope and accelerometer Required. The flight controller will not boot without a gyroscope…

  • Espressif ESP32-S2

    When Espressif release ESP32 WiFi & Bluetooth capable MCUs back in 2016, many things changed in the DIY and tinkerers community. We finally had a cheap MCU that could do real IoT stuff and was easy to use. However, the cheap ESP32 is not really cheap in relative terms. Sure, it is cheap, but there…