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The JHEMCU GHF435AIO is a high-performance all-in-one flight controller for 2-4S FPV drones. The page says it is powered by an STM32F435 processor, with integrated 20A BLHeli_S ESCs, a built-in OSD, barometer and 16 MB blackbox.
It has a built-in ExpressLRS 2.4G receiver using the CRSF protocol for ultra-low latency control, and the page also mentions GPS for telemetry and altitude hold. It is described as ideal for freestyle and long-range setups. The page showed the item in stock (SKU RS8935).
STM32F435 processor: for fast processing.
Integrated 20A BLHeli_S ESCs: for reliable power delivery.
Built-in OSD, barometer and 16 MB blackbox: as described.
Built-in ELRS 2.4G: CRSF protocol for low-latency control.
GPS listed: in the title and description.
2-4S input: as listed.
A flight controller is the brain of a multirotor or fixed-wing aircraft. It reads the gyroscope, and where fitted the accelerometer, barometer and compass, and runs a control loop that compares what the aircraft is doing with what the pilot asks for. It then sends new speed commands to the motors through the ESCs or servos many times each second. A faster processor and a better gyro allow a higher loop rate and a more locked-in feel.
Wiring and firmware decide what the board can do. The number of UARTs limits how many receivers, GPS units, telemetry radios and video systems you can connect, the PWM or motor outputs limit how many motors and servos it can drive, and the input voltage range must suit your battery and power module. Before you buy, check that the firmware you want to run supports the board and that its mounting pattern fits your frame.
Set up carefully. Flash a firmware that is listed as supported, configure the receiver protocol, set the motor order and direction, calibrate the accelerometer and, for larger aircraft, the compass, and always test with the propellers removed first. Keep the board isolated from vibration with soft mounts where the design calls for them, and never power it with a supply that is outside the rated input voltage.
Keep the aircraft safe. Confirm your failsafe settings and arming switch before the first flight, keep a backup of your configuration, and update firmware only when you have a reason to. A flight controller is a safety-critical part, so use the wiring diagram from the maker and avoid guesswork with power connections.
2-4S freestyle drones
Long-range setups
ELRS builds
Altitude-hold builds
Compact AIO builds
The input voltage is listed as 2-4S and the model as GHF435AIO. The receiver is a built-in ELRS 2.4G on CRSF.
The page mentions GPS in the title and description but does not describe the connection, so check the wiring details before you plan a GPS build.
Model: GHF435AIO
Processor: STM32F435
ESC: 20A BLHeli_S
Input voltage: 2-4S
Blackbox: 16 MB
Receiver: built-in ELRS 2.4G CRSF
Sensors: barometer, OSD
1 x JHEMCU GHF435AIO 20A AIO flight controller
2-4S pilots who want an AIO board with built-in ELRS.
2-4S.
Yes, a built-in ELRS 2.4G with the CRSF protocol.
16 MB.
20A BLHeli_S.
| Brand | JHEMCU |
|---|---|
| Input Voltage | 2-4S |
| Receiver | Built-in ELRS 2.4G CRSF |
| Selling unit | PCS |
