The new T-Motor Velox F411 Lite flight controller is a great budget flight controller that does it all while still being lightweight.
 
The F411 Lite has a 7456E OSD chip making it compatible with both analog and digital FPV setups. It also has 8MB of storage for blackbox logging, and multiple
mounting options (20x20mm or 30.5x30.5mm).
 
HD FOR DJI 
 analogue  vtx both supported
 
SPECIFICATIONS
MCU: STM32F411
OSD: AT7456E
UARTS: 3
BEC: 5V/2A
Blackbox: 8MB
Gyro: BM270
Stack Mounting 30.5x30.5mm/20x20mm
Weight: 5.3g
INCLUDES
1 x T-Motor Velox F411 Lite Flight Controller - 20x20mm/30x30mm
wires etc