What is the maximum update rate? 50Hz? 400Hz?

I update mine at 250Hz, 4msec. Haven't tried going faster so don't know if 400Hz is possible

Is the BEC linear or switching in these?

The BEC is a constant 5 V output You're running extra equipment on your airplane you might want to use an additional capacitor pack on your Receiver

How do I program the brake?

You set the break with the transmitter with the throttle stick and the paperwork for the ESC that it comes with will explain how to do so

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QWinOut 2-4S 30A RC Brushless ESC Simonk Firmware Electric Speed Controller with 5V 3A BEC for 2 to 4s Lipo Battery, DIY Multicopter Quadcopter 4 pcs 18203

Product ID: 281263580

⚡30A Power

📏Compact Design

🔋5V 3A BEC

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EC$517

Duties & taxes included

In stock

Sold byAmazon Saint Vincent and the GrenadinesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚀 Elevate Your Flight Experience!

LIGHTWEIGHT COMPACT - Designed for easy installation without compromising performance.
NOISE FREE PERFORMANCE - Military-grade capacitors ensure a smooth, interference-free flight.
PLUG AND PLAY SIMPLICITY - No programming needed! Just install and soar.
ROBUST ANTI JAMMING TECH - Advanced microprocessor with dedicated voltage regulation for reliable operation.
UNLEASH YOUR FLIGHT POTENTIAL - Experience unmatched control with our 30A brushless ESC, designed for 2-4S Lipo batteries.

The QWinOut2-4S 30A RC Brushless ESC is a high-performance electric speed controller designed for DIY multicopters and quadcopters. With a working current of 30A and a built-in 5V 3A BEC, this ESC is perfect for 2 to 4S Lipo batteries. Its compact and lightweight design ensures easy installation, while military-standard capacitors and advanced anti-jamming technology provide exceptional reliability and performance.

Specifications

Package Dimensions	15.8 x 11.6 x 3.3 cm; 114 g
Manufacturer recommended age	14 months and up
Manufacturer reference	M18203-4
Educational Objective(s)	play
Assembly Required	No
Batteries Required?	No
Batteries Included?	No
Material Type(s)	Plastic
Remote Control Included?	Yes
number_of_channels	4
Color	4 Pcs
ASIN	B07SFLJJQ5

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