JHEMCU GSF405A-BMI AIO Flight Controller for 1-2S Micro FPV Quads, Integrated 2.4GHz ELRS

Name: JHEMCU GSF405A-BMI AIO Flight Controller for 1-2S Micro FPV Quads, Integrated 2.4GHz ELRS
Brand: JHEMCU
SKU: jhe-202371623353-1
Price: 84.98 USD
Availability: InStock

JHEMCU GSF405A-BMI AIO Flight Controller for 1-2S Micro FPV Quads, Integrated 2.4GHz ELRS

JHEMCU

$84.98 USD

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Overview

JHEMCU GSF405A-BMI AIO flight controller designed for lightweight 1–2S LiPo micro FPV quadcopter builds. It integrates a 2.4GHz ELRS receiver and provides labeled pads for camera, LEDs, I2C (SCL/SDA), and four motor outputs (M1–M4), helping simplify compact installations.

Key Features

Integrated 2.4GHz ELRS receiver with onboard antenna connector (ELRS 2.4GHz Receiver ANT).
1–2S LiPo input (marked “Input 1–2S Lipo”).
Four motor output pad groups labeled M1, M2, M3, M4.
Camera connection pads labeled 5V / GND / VID.
I2C pads labeled SCL / SDA.
Dedicated pads labeled LED, plus power rails labeled +5V, 3.3V, and GND.
Boot access labeled RC BOOT KEY and FC BOOT KEY.

Specifications

Brand	JHEMCU
Model	GSF405A-BMI
Product Type	AIO Flight Controller
Receiver	Integrated 2.4GHz ELRS
Battery Input	1–2S LiPo
Weight	3.3 g
Motor Outputs	M1, M2, M3, M4
Camera Pads	5V / GND / VID
I2C Pads	SCL / SDA
Power Pads	+5V, 3.3V, GND
Other Labeled Pads/Functions	LED, RX1/TX1, RX2/TX2, RC BOOT KEY, FC BOOT KEY

Receiver & UART Notes (as labeled)

This FC integrates a 2.4G ELRS receiver and uses port UART1 as serial RX.
When using an external receiver such as SBUS/IBUS/DSM/TBS, switch the serial RX from UART1 to UART2.
UART settings shown: 115200 for UART1 and 115200 for UART2.

What's Included

JHEMCU GSF405A AIO flight controller board
2.4GHz receiver antenna (u.FL/IPEX-style connector)
USB Type-C adapter module with wire lead
Wire harness (1 pc)
Electrolytic capacitor (1 pc)
Silicone grommets (red, 4 pcs)

Applications

1–2S micro FPV quadcopters requiring an AIO flight controller with integrated 2.4GHz ELRS receiver
Compact builds needing camera power/video pads and LED/I2C connectivity

For pre-sale compatibility questions or wiring help, contact support at https://rcdrone.top/ or email [email protected].

Details

JHEMCU GSF405A-BMI AIO flight controller top side with integrated 2.4GHz ELRS receiver and motor pad arrays

Built for 1–2S micro FPV builds, the GSF405A-BMI combines an AIO flight controller with an integrated 2.4GHz ELRS receiver to keep wiring simple.

Angled view of the AIO flight controller with u.FL/IPEX antenna lead connected to the onboard ELRS receiver port

Pad and component close-up highlighting compact layout and labeled connection areas for a micro quad installation

Oblique top view of the board highlighting the ELRS antenna connector area and densely packed components

Back side of the board with USB Type‑C connection area and motor output sections labeled M1–M4

A clearly labeled layout helps speed up installs, with dedicated motor outputs (M1–M4) and convenient USB Type‑C access for setup.

JHEMCU GSF405A-BMI AIO flight controller on a digital scale reading 3.3 g for lightweight micro FPV builds

At about 3.3 g, it’s a lightweight choice for space- and weight-sensitive micro quad frames.

What’s included: flight controller board, USB Type‑C adapter module with lead, wire harness, ELRS antenna, capacitor, and silicone grommets

The box includes the FC, ELRS antenna, USB Type‑C adapter module, wire harness, capacitor, and four silicone grommets for mounting.

Wiring diagram with labeled pads for camera (5V/GND/VID), LED, I2C (SCL/SDA), motors, 1–2S LiPo input, and UART1/UART2 receiver options

A wiring map is provided for camera power/video, LED and I2C pads, 1–2S LiPo input, and receiver wiring with UART1/UART2 selection when using an external RX.