The geared motor is an integrated body of the reducer and the motor (motor). Such an integrated body is also commonly referred to as a Gear Motor or a geared motor. Gear Motor Gear motor,Dc gear motor,Gear motor price,Geared stepper motor,12v gear motor,Dc gear motor 12v Shenzhen Maintex Intelligent Control Co., Ltd. , https://www.maintexmotor.com
Brush firmware download link: http://bbs.shafa.com/thread-1306690-1-1.html
Brush tool driver tutorial (common with the chip box): http://bbs.shafa.com/thread-342149-1-1.html 
Gear motors are widely used in smart homes, car drives, robot drives, e-commerce logistics warehouses, precision instruments, industrial automation equipment, electronic products, precision machinery and other fields.
The latest Diyou rk3128 available security version firmware. After the flashing machine is turned on quickly, you can install any software you like. Only suitable for Dyna remote control. Do not brush other brands.