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 with 3.5mm Female Banana Bullet for 2 to 4s Lipo Battery, DIY Multicopter Quadcopter (30A, 4 pcs)

Product ID: 171204222

⚡30A continuous current

🔋2-4S LiPo compatible

🔌3.5mm female banana connectors

51058CFA

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Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚀 Elevate your drone game with plug-and-play power and bulletproof reliability!

NEXT LEVEL RELIABILITY - Military-grade capacitors and low-resistance PCB minimize RF noise and maximize endurance.
PLUG PLAY POWERHOUSE - Pre-flashed SimonK firmware means zero setup fuss—just install and fly.
SMART SAFETY PROTOCOLS - Built-in low voltage cutoff, overheat, and signal loss protections keep your drone safe in flight.
ROBUST CURRENT HANDLING - 30A continuous with 40A burst for aggressive throttle response and peak performance.
UNIVERSAL COMPATIBILITY - Works seamlessly with 2-4S LiPo and NiCd/NiMh batteries, perfect for DIY multicopters and quadcopters.

The QWinOut 2-4S 30A Brushless ESC is a compact, lightweight speed controller preloaded with SimonK firmware, designed for 2-4S LiPo or 5-12 cell NiCd/NiMh batteries. Featuring 30A continuous current capacity, military-grade capacitors for RF noise reduction, and 3.5mm female banana connectors for hassle-free installation, it offers advanced safety features like low voltage cutoff and overheat protection. Ideal for DIY multicopters, quadcopters, and other RC aircraft, it delivers reliable, high-performance motor control with minimal setup.

Specifications

ASIN	B07SFLJJQ5
Age Range Description	Adult
Best Sellers Rank	#330,267 in Toys & Games ( See Top 100 in Toys & Games ) #468 in Radio Control Vehicle Speed Controls
Brand Name	QWinOut
Color	30a, 4 Pcs
Customer Reviews	4.0 4.0 out of 5 stars (194)
Educational Objective	Game, play
Indoor Outdoor Usage	Outdoor
Is Assembly Required	No
Manufacturer	QWinOut
Manufacturer Maximum Age (MONTHS)	18
Manufacturer Part Number	M18203-4
Material Type	Plastic
Number of Players	4
Operation Mode	Automatic
Power Source	Battery Powered
Set Name	4
Size	Small
Supported Battery Types	A rechargeable lithium polymer (LiPo) battery with a capacity of at least several hundred milliampere-hours (mAh), and a voltage of 7.4V to 14.8V (2S to 4S). Alternatively, a NiCd or NiMh battery with a voltage of 5-12 cells may also be used.
Unit Count	4.0 Count

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51058CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Senegal.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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