GoolRC 4 in 1 12A ESC F3 Tower Flight Controller Combo and D1104 7500KV Brushless Motor for 80 90 100 Micro FPV Quadcopter

Features:
EFM8BB21F16G MCU, makes with 50 MHz maximum operating frequency
Using dedicated 3in1 drivers, the start more smooth
ESC maximum speed is limited to 500k eRPM
More suitable for ultra small multirotors
Two layers tower structure between 4in1 ESC and FC using quick pin connection, making the installation faster and more convenient
F3 flight controller, supports PPM and SBUS remote control/receiving mode
FC integrated OSD, no external OSD device is required, integrated 5V/1A for image transmitter, camera, buzzer, LED and other peripheral devices
BLHeli-S firmware designed for superior performance in multirotors, and uses hardware generated motor
There are tuneable parameters that can make the code run well even in the most demanding situations
The code supports regular 1-2ms pulse width input, as well as Oneshot125 , Oneshot42 and Multishot
Supports Dshot digital signal, anti-interference ability is stronger, and do not need throttle calibration
The motors are high-torque and high-efficiency
CNC machined aluminum case
High purity copper windings maximizes efficiency
Precision engineered for maximum energy conversion