homemade 450 size quadcopterdrone with nrf24l0101:49

It is my first quadcopter, made for fun.
The quadcopter’s FC, frame and RC transmitter are homemade.
It uses mostyl atmel atmega88 and atmega328 chips.
For RC it uses nrf24l01 modules and mpu6050 gyro and bmp280 barometer.

OSD is made with max7456 chip
Some esc mosfets are replaced, some motors are rewinded.
it runs on 3S and 4S lipo, 2000-5000 mAh, 1045 props.

music:
Miza – rocket
https://www.youtube.com/watch?v=0YmVFiy7JaE