BetaFPV Matrix G4 4in1 v1.1 Brushed Flight Controller

BETAFPV Matrix 1S Brushed Flight Controller G4 4 IN1 HD V1.1 With serial ELRS 2.4G Receiver for Meteor75 Pro O4 FPV Drone and similar Drones.

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this version retains soldering pads for external analog VTX, giving you protocol freedom while reducing voltage ripple interference for cleaner video signals.

Serial ELRS 2.4G RX

Serial ELRS 2.4G RX uses the Crossfire serial protocol (CRSF protocol) to communicate between the receiver and the flight controller board. So the Serial ELRS 2.4G RX is available to support upgrading to ELRS V3.0 with no need to flash Betaflight flight controller firmware. Enter binding status by power on/off three times.

• Plugin and unplug the flight controller three times;
• Make sure the RX LED is doing a quick double blink, which indicates the receiver is in bind mode;
• Make sure the RF TX module or radio transmitter enters binding status, which sends out a binding pulse;
• If the receiver has a solid light, it's bound.

The Serial ELRS 2.4G RX can be updated via Wi-Fi or Betaflight serial passthrough. Here is the way to update the Serial ELRS 2.4G RX firmware through passthrough.

• Plug in your FC to your computer, connect to ExpressLRS Configurator instead of Betaflight Configurator;
• Choose target "BETAFPV 2.4GHz AIO RX";
• Flash using the BetaflightPassthrough option in ExpressLRS Configurator.

How to flash firmware via Wi-Fi here.

Features:

• Highly integrated FC with onboard brushed ESC,  serial ELRS receiver, blackbox, and OSD—making it extremely convenient for building, using, and maintaining your drone.
• Onboard brushed ESC supporting continuous 12A current output (peak up to 18A), with Turtle Mode (flip over after crash) support, and compatibility with 1-2S batteries.
• Main controller upgraded from STM32F411 to the latest STM32G473, delivering a 55% increase in processing speed for a smoother and more responsive flying experience.