SEQURE FPV Parts review: H743 FC, E70 G2 ESC, M10-12 GPS & Dual ELRS RX

SEQURE is a well-known company in the world of FPV (First Person View) due to its excellent pen-style soldering irons. Lately, it has also started providing FPV drone parts for the community. In this review, we will have a close look at its powerful flight stack, GPS module, and ELRS radio receiver.

Building an FPV drone involves several steps, including selecting components, assembling the drone, configuring the flight controller, and setting up the FPV system. In addition to these SEQURE FPV Parts, you will need a frame, propulsion system (motors and propellers), and FPV system (VTX and camera) to build your drone.

The flight stack is the heart of an FPV drone. It is usually installed in the center of the frame and contains two boards: the flight controller (FC) and the ESC (electric speed controller).

SEQURE H743 FC, E70 G2 ESC, M10-12 GPS and Dual ELRS RX

Disclosure: I received these FPV parts in a review collaboration with SequreMall. Although the product was free, all opinions in this article remain mine, and the sponsor did not influence me.

SEQURE (Guangdong Sequre Technology Co., Ltd.) is a high-tech, innovative enterprise integrating electronic technology research and development and international trade, with a registered capital of 700,000 $. The company covers an area of 1600 square meters, including 1000 square meters of production and research. Their product range includes DIY tools (Soldering irons, Spot Welders, Electronic Screwdriver, and Tweezers), Motor drivers, Soldering accessories, FPV drone parts, and PNP and BNF FPV drones (8″ and 10″).

All the FPV parts I received were packed in a zipped electrostatic bag with the needed accessories and wires. No user manual or wiring diagram is included.

1. SEQURE H743 flight controller for X8 FPV drones

The SEQURE H743 is a versatile flight controller built around the high-performance STM32H743 Arm Cortex-M7 microcontroller. It has two ESC connectors, so it can control up to 8 motors, making it suitable for professional CineLifter drones. It also has dedicated connectors for both analog and HD digital (DJI O3/Vista/Link/Walksnail) VTXs.

The kit includes one ESC cable, two 30AWG 100mm single-head cables, ten shock-absorbing balls (5x M3*8mm and 5xM3*6.6mm), and a buzzer.

I like that the SEQURE H743 features both 30.5×30.5mm and 20x20mm mounting patterns, making it compatible with a wide range of drone frames. The FC measures 36.5*36.5*6mm and weighs almost 8 grams. It has six UART ports for external parts such as GPS, RX, or Optical flow sensor.

It has large solder pads with generous distance between them, allowing easy and safe welding.

SEQURE H743 FC: Technical parameters

2. SEQURE E70 G2 2-8S BLHeli_32/AM32 70A ESC

This year, BLHeli_32 stopped providing any further support and further firmware upgrades, so it is highly welcomed that the SEQURE E70 G2 ESC also supports the AM32 open-source alternative.

In addition to the ESC board, the bag includes two ESC to FC cables, 12AWG 100mm battery wires, an XT60H-M connector, a Low-ESR 35V 680UF capacitor, and five M3*8mm rubber grommets for a soft mount.

As its name suggests, the SEQURE E70 can provide a continuous current of 70A for each motor and, for short periods of time, even 150A (peek current). It is suitable for up to 8S LIPO batteries and compatible with Dshot600/300/150, Oneshot, Multishot, and PWM protocols. You can opt for hardwiring (soldering) with the flight controller or through the onboard connector. It has dedicated pins for ESC telemetry. The built-in galvanometer sensor provides motor speed, temperature, and real-time monitoring.

The motor pads are slightly angled to align with the frame’s arms, allowing much cleaner cable routing. The board measures 45.5*42.5*6mm and weighs 18 grams. It is intended for large, powerful drones with only a 30.5*30.5mm, Φ4mm/M3 mounting pattern.

3. SEQURE M10-12 GNSS module for BetaFlight FPV drones

Since 2024, BetaFlight has provided almost DJI-like fail-safe return to home (RTH), which saves your drone from crashing in the middle of nowhere in case of RC signal loss.

SEQURE has three GPS modulus: M10-12, M10-18, and M10-25Q. The M10-12 is the smallest, making it suitable for compact FPV drones. The M10-25Q is the biggest and has an integrated QMC5883L compass for full INAV compatibility. The product number in the product name represents the size of the ceramic antenna. A bigger antenna means faster and better GNNS signal reception. All versions support the most important satellite positioning providers, including GPS (Global), GLONASS (Russia), BeiDou (China), and Galileo (Europe).

Measuring 12x16x4.5mm, the SEQURE M10-12 is as tiny as your fingernail. The module weighs only 2.3 grams and has status and power LEDs. You can wire it to the flight controller with a dedicated connector or solder pads (5V, TX, RX, and GND).

BetaFlight Failsafe Rescue Mode with SEQURE M10-12 GNSS

Configuring GPS Rescue mode in BetaFlight is simple and requires only a few steps. First, you must enable the GPS feature in the configuration tab and set “Sensor input” to the appropriate UART port (on which the SEQURE GPS is wired). Under the GPS tab, select the “UBLOX” protocol. If everything is wired and configured correctly, you should see a signal from the satellites.

Next, navigate to the Failsafe tab in the Betaflight Configurator. Here, for “Stage 2”, select GPS Rescue and configure RTH speed and altitude. If you can’t see the “Failsafe” tab, ensure you’ve enabled the “Expert Mode”.

SEQURE M10-12: Technical parameters

4. SEQURE 2.4GHz Dual RX True Diversity ELRS receiver

SEQURE’s Dual-ELRS receiver module is available with three antenna options: short (80mm), long (220mm), and mixed (one 80mm and one 220mm). Installing the antennas in different positions and orientations is recommended to take advantage of the DIVERSITY antenna system.

The PCB measures 23* 12.8* 5 mm and weighs 1.5 grams. It has solder pins (GND, 5V, TX, and RX) and a dedicated connector for wiring with the flight controller.

This ELRS module is fully compatible with Diversity radios such as the Jumper T20 GEMINI, providing the most stable signal and the best penetration in any environment. This SEQURE RX is suitable for both long-range and bando FPV drones.

The module is built around the ESP32-PICO-D4 MCU and the dual-frequency SX1281 RF chip. It uses a TCXO temperature-compensated crystal oscillator for enhanced stability. Its dual 100mW built-in power amplifier (PA) provides the transmitter telemetry data (RSSI signal health). It supports F1000Hz and F500Hz ultra-high refresh rates and meets the low latency requirements of racing pilots.

It comes with the “SEQURE 2.4GHz Dual RX_3.4.0” firmware version out of the box. The software can be upgraded in UART mode (through FC BetaFlight) or WiFi using the built-in web server.

SEQURE ELRS RX: Technical parameters

Pricing, availability, and options

These FPV parts can be ordered directly from Sequre’s online store. The flight controller and ESC can be purchased individually or in a flight stack combo. The H743 FC is priced at $69.99, the ESC at $74.99, and the bundle at $139. The M10-12 GPS module costs $14.31, and the Dual-Diversity ELRS RX at $17.99. If you prefer a ready-to-fly FPV drone instead of building your own, the Bkli8’s price starts from $218, and the Bkli10’s from $248.

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Since 2014, FirstQuadcopter has reviewed, thoroughly tested, and rated hundreds of products, including drones, gimbals, power stations, action cameras, 3D printers,  and other high-tech gear to help you make better buying decisions.