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Description
BetaFPV Matrix 1S Brushless Flight Controller 3in1 BMI270 - ELRS 2.4GThe Matrix 1S 3IN1 HD Brushless Flight Controller is purpose built for 1S HD whoops, featuring the iconic "cross" design. Engineered exclusively for digital FPV, it eliminates analog OSD, integrating a flight controller, ESC, and ELRS 2. 4G RX into one lightweight, streamlined unit for effortless setup and maintenance. Equipped with newly developed BEC and ESC, its finely tuned to meet the demands of 1S HD whoops, delivering superior digital image
The Matrix 1S 3IN1 HD Brushless Flight Controller is purpose-built for 1S HD whoops, featuring the iconic "cross" design. Engineered exclusively for digital FPV, it eliminates analog OSD, integrating a flight controller, ESC, and ELRS 2.4G RX into one lightweight, streamlined unit for effortless setup and maintenance. Equipped with newly developed BEC and ESC, it’s finely tuned to meet the demands of 1S HD whoops, delivering superior digital image transmission and setting a new standard in 1S HD flight controllers.
Check out all our Whoop Style AIO Flight Controllers and the rest of our BetaFPV Products!
Attention
- Flight controllers are covered for manufacturer defects. Issues arising from user errors, physical crash damage, damage during installation or dismantling, modifications, power surges, electrical fires, or water exposure are not covered.
Bullet Points
- Optimized for 1S Whoops: Designed to enhance performance with the DJI O4 digital transmission system.
- Three-in-One Integration: Combines flight controller, ESC, and ELRS 2.4G RX into a compact unit, focusing exclusively on high-quality digital FPV by eliminating analog OSD.
- Stable HD Video Transmission: Features a newly developed BEC to ensure consistent power delivery for seamless HD performance.
- Enhanced Overcurrent Capacity: Supports 12A continuous current and 18A peak ESC, providing robust performance for demanding flights.
- Reliable Precision: Includes an independent 3.3V LDO design to deliver stable, interference-free power directly to the IMU for accurate control.
- Effortless Setup: Equipped with convenient motor plugs and a SH1.0-6Pin HD digital port for a solder-free, hassle-free installation and maintenance experience.
Specifications
FC
- MCU: STM32G473CEU6 (168MHz)
- Gyro: BMI270
- Blackbox memory: 16MB
- Sensor: Voltage & Current
- BEC: 5V/3A
- UART: UART 1 (RX Only/SBUS), UART 2 (Free), UART 3 (For RX), UART 4 (Free/HD MSP)
- ESC: 12A continuous
- RX: Serial ELRS 2.4GHz (V3.4.3)
- FC firmware: Betaflight_4.5.1_BETAFPVG473
- USB port: SH1.0-4Pin
- HD Digital VTX Port: SH1.0-6Pin
- Motor plug: JST1.25-3Pin
- Battery connector: BT2.0
- Mounting size: 25.5mm x 25.5mm
- Weight: 3.2±0.1g (battery connector excluded), 4.2±0.1g (battery connector included)
- Power input: 1S Only
- Current: 12A continuous, 18A peak
- ESC firmware: A_X_5_96_v0.19.2.hex for BB51 Bluejay firmware
- Digital signal protocol: DSHOT300, DSHOT600
Diagram
Diagram of Matrix 1S 3IN1 HD Brushless Flight Controller:
New BEC for Stable HD Image Transmission
Digital image transmission requires higher current, and 1S whoops often fly at voltages as low as 3.3V, placing significant demands on the BEC. To meet these challenges, an advanced BEC has been developed, capable of delivering over 3A of current at ultra-low voltages down to 2.85V. This ensures stable digital image transmission even in critical situations. While flying to such low voltages isn't recommended, this innovation provides pilots with a greater chance of safely recovering from unexpected situations.
Enhanced Continuous 12A ESC
HD image transmission adds weight to 1S whoops, demanding stronger power and higher ESC overcurrent capacity. Our engineers exceeded expectations, delivering a robust ESC with 12A continuous output and 18A peak capacity on the iconic "cross" flight controller. This ensures optimal thrust-to-weight ratio, reliable performance, and worry-free high-definition flights.
Individual Power Supply for IMU
Unlike traditional shared power supply designs, the Matrix 1S 3IN1 HD FC features an independent 3.3V LDO power supply exclusively for the IMU. This innovation eliminates interference, creating a cleaner and more stable environment that enhances flight precision, improves sensitivity, and reduces the risk of performance issues—ensuring unmatched stability during every flight.
Effortless Setup and Maintenance
The Matrix 1S 3IN1 HD FC is designed to maximize your flight time by minimizing setup hassle. Equipped with convenient motor plugs and a SH1.0-6Pin HD digital port, it allows for a completely solder-free installation and maintenance process. Now, you can focus more on enjoying high-definition flight experiences instead of dealing with complex tools.
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.
Betaflight Firmware and CLI
Betaflight official developers recommend using version 42688 of the gyroscope, and many issues with ICM42688 have been fixed in version 4.5.0. Please learn more from version 4.5.1.
- FC firmware: Betaflight_4.5.1_BETAFPVG473, download the firmware and CLI dump file
- Reference link: https://github.com/betaflight/betaflight/releases/tag/4.5.1
Bluejay ESC Firmware
With BB51 ESC solution, Matrix 1S 3IN1 HD Brushless Flight Controller is based on A_X_5_96_v0.19.2.hex for BB51 Bluejay firmware, it supports DSHOT300, DSHOT600, and even RPM filtering in Betaflight, offers 24KHz, 48KHz, and 96KHz fixed PWM frequency for options, and custom start-up melodies.
DO NOT flash the firmware with a shorter interval, otherwise, there will be a certain chance of stalling and burning the flight controller.
- ESC-Configurator: https://preview.esc-configurator.com/
- Download BLHeliSuite16714903
- Download the Bluejay ESC firmware, please choose A_X_5_96_v0.19.2.hex.
How to Use Serial Ports, Intergrated RX and VTX
UART3 is connected to the built-in serial ELRS RX. To release UART3, please remove the resistor. Additionally, this FC reserves 2 complete full-featured serial ports that can be used for external serial receivers, GPS, HD VTX, or other serial devices. You can refer to the picture below.
Recommended Parts
- Drones: Meteor65 Pro O4, Meteor75 Pro O4
- Frames: Meteor65 Pro Frame, Meteor75 Pro Frame
- Motors: 0802SE Motor, 1102 Motor
- Propellers: GF 35mm 3-Blade, GF 45mm 3-Blade
Package
- 1 * Matrix 1S Brushless Flight Controller (3IN1 HD)
- 1 * Type-C to SH1.0 Adapter
- 1 * SH1.0-4Pin Adapter Cable
- 1 * SH1.0-6Pin Adapter Cable
- 4 * M1.2*4 Self-tapping Screws
- 4 * M1.4*5 Self-tapping Screws
- 4 * Shock Absorbing Balls
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 5
Excellent product, great for travel
Color: Cocoa
I just got back from a business trip and this is by far the most useful passport holder/wallet I've ever used. Lots of room for cards, bills, boarding passes, and a second passport and still folds very flat. Leather is good quality, and is very well put together. Since its too big for my pocket and will mostly live in my briefcase, I expect it to last a very long time.
The only drawback is the high price, especially since the leather is probably not full grain (it's not advertised as full grain, so we can assume it's not). But it fits my needs perfectly, even if it is a little overpriced.
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Reviewed in the United States on October 14, 2023
★★★★★ 5
Highly recommend.
Color: Cocoa
My favorite purchase for a recent trip across three continents. Fits in pocket (I mean it’s a tight fit, but it will fit). Perfect in cargo pant pocket. Has two separate compartments for paper bills which is nice - you can keep your home currency in one and travel currency in the other. Really sleek looking. Bought four of these and we all loved ours. Highly recommend.
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Reviewed in the United States on July 15, 2025
★★★★★ 4
Nice wallet. Just received it and used on trip to Italy
Too early to rate for durability, but it came quickly, looks nice, and appears to be well-made. Was a godsend on my trip to Italy and back. With all the times you have to show your passport (usually dragging your luggage with you), my passport was always at the ready, secure in my wallet in my pocket. I would not travel abroad without it. Not only that, it will serve as my daily wallet as well
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Reviewed in the United States on May 31, 2023
★★★★★ 5
Pen holder feature isn't good
Color: Cocoa
Edited review: previously I gave this a two-star review because when I inserted the pen into the pen holder the wallet couldn't close anymore... I tried taking it out putting it back in a few times and it seemed obvious to me that something was wrong and I just could not figure out why the wallet possibly was having an issue closing even though it's designed to hold a pen...
To me it seemed obvious that when inserting the pen you should have the clip on the inside where are the bills go.... That single millimeter of space that that clip takes up in the bill fold causes the wallet to not be able to close properly so it springs open.
Needless to say that felt extremely cheap for a product of this price and I was very unhappy and considering a return and after writing a bad review I happen to see product pictures with the clip on the inside of the wallet where your cards go and it dawned on me that I had just simply put the pen in in the wrong orientation.
That completely solves the issue.
So updated back to five stars, and the wallet is great.
2n update after using it for a week on an international trip so I was carrying my passport.
Worked great - made me feel safe to always have my passport and room for all my most important documents inside a -just- large enough for a passport wallet. I really don't think they could have saved another millimeter and still made such a quality wallet.
Having a micro pen in there is icing on the cake - makes you feel like James bond. I also felt safer having a hidden bill compartment so your not showing a fat stack of foreign currency (I mean depends on your use case but I was in some rather poor areas and this added some peace of mind and 'security' in my opinion). You can just keep some small bills up front and your real stack on the hidden flap.
I won't dock a star for it - but keeping this on a back pocket so you're sitting on it because it's bigger and the way it holds cards after just one week there's already card imprints on the leather (just imagine your older leather wallets where the cards start wearing through the leather)
Also I tested the RFD blocking and it indeed works. I'm unable to scan any cards through the wallet and that was an important feature to me. Even when the wallet is open and I ran scanners directly over cards (in the sleeves) it still didn't pick anything up.
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Reviewed in the United States on February 1, 2026
★★★★★ 5
Works
Color: Cocoa
Good wallet that can fit a passport, hold cash, and cards. “Hidden” pockets too, but that just means more storage space to me. Soft and supple leather that gets better when conditioned and cared for properly. Main feature I like is the RFID blocking, I only get wallets that have it.
Expensive- yes. Works, also yes.
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Reviewed in the United States on October 23, 2024
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