In this article, I will compare most of the current BLHeli_S ESC, that are on the market, and hopefully help you how to choose the best one for your multicopter. I already reviewed some BLHeli_S ESC, like the ZTW Flash 30, Cicada/Racerstar and the Maytech 30A, but will include these here as well. The article
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The Cicada 30A was one of the first ESCs, that supports the new BLHeli_S firmware. I got few samples for testing and reviewing, so big thanks to Sunrise Model for the support! Let´s start with some details about the Cicada 30A ESC, before we go to the thrust results. Details: Silabs EFM8BB10 MCU Size: 28.5
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If you are following the trends in the multirotor community, you should have heard about the new BLHeli_S firmware. Currently there are not many ESCs that support this new firmware. Steven from Shenzhen´s ZTW company sent me their ZTW Flash 30A BLHeli_S ESC to test it. Thank you again for your support! Details: Silabs EFM8BB21F16
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BLHeli_S is a new custom ESC firmware based on the most popular BLHeli firmware – it is an improved version. Here is an overview of the new features and which ESCs support the new BLHeli_S firmware. Improvements: Very smooth throttle response Generally does startup better than base BLHeli Only damped light mode Synchronous motor PWM
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