Amazon.com: HAPPYMODEL CrazyF4 ELRS AIO 5in1 Flight Controller 1S Built-in 900MHz ELRS Receiver for DIT FPV Racing Drone (868Mhz) : Toys & Games
30.5x30.5mm Racerstar StarF7 F7 Flight Controller AIO OSD 5V 9V BEC Current Sensor Blackbox & 40A BLheli_32 2-6S Brushless ESC for DJI Air Unit RC Drone FPV Racing
KISS CompactCTRL CC All-in-One (FC + ESC)
Geprc Aio Flight Controller Gep-f7-35a F4-12a-20a-35a Esc All In One F411 F722 Flight Stack Board For Rc Diy Fpv Racing Drone - Parts & Accs - AliExpress