
It took me a lot of trouble to locate the faulty gyroscope. No matter what I did, the engines crackled as they hovered. Black box registration shows terrible gyro noise. Pre and post filtration. Swapped out the motors and added a large 1000uF cap. Still couldn't filter out the noise. Mounted another F4 on the quad and it flew like a rock.

Action Camera SJCAM SJ4000 WiFi, 12MP, 1920x1080, 900 mAh, black
48 Review

GoPro Hero 7 Black Bundle - Extra Battery + Super Suit Dive Housing Case + 64GB SD Card - E-Commerce Packaging - Waterproof Digital Action Camera with Touch Screen, 4K HD Video, 12MP Photos, Live Streaming, and Stabilization
58 Review

Quadcopter DJI Mini 2 Fly More Combo, gray
127 Review

Panasonic SDR S26 SD Camcorder Blue
38 Review