An opto ESC isolates the high-power side (battery and motor) from the signal side (connection to the receiver) by internally transmitting the receiver throttle signal from the input side to the output side of the ESC through an opto-coupler.
The ReadytoSky 40A 2-6S ESC is specifically designed for quadcopters and multi-rotors, providing faster and better motor speed control for improved flight performance compared to other available ESCs.
The ReadytoSky 40A 2-6S ESC features a multi-integrated special program with fast throttle response, surpassing all kinds of open-source software. Its firmware is optimized specifically for disc motors, ensuring excellent compatibility. This ESC is compatible with 2-6S LiPo batteries.
Thanks to ultra-low resistance MOSFETs, it has a strong current capacity. With a MOSFET special driver integrated circuit, its performance and stability far surpass driving circuits with discrete components.
Package Includes:
1 x ReadytoSky 2-6S 40A OPTO ESC ( 3.5 Banana connector)
Uno+WiFi R3 AtMega328p+NodeMSU ESP8266 8mb Memory USB-TTL CH340G Compatible for Arduino UNO
Zigbee XBee Pro S2C 802.15.4 Module 63mW 3Km+ 3.2dBi Antenna
2004 LCD Display Rep-Rap Discount Smart Controller with Adapter
Robocat 270 Racing Quadcopter Frame
SpeedyBee BLS 50A 30×30 4-in-1 ESC 




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