BETAFPV unveils Matrix 1S flight controller for micro drone racing
BETAFPV's Matrix 1S lands in 3IN1 and 4IN1 forms, with firmware already posted for both. For whoop racers, the real test is lighter builds and faster heat-to-heat fixes.
BETAFPV has put the Matrix 1S Brushless Flight Controller into 3IN1 and 4IN1 versions, and that split is the part tinywhoop racers will notice first. The page went live on Aug. 2 alongside the Meteor75 Pro HD FPV Kit and other beginner FPV rigs, placing the board squarely in the indoor-racing pipeline where grams, recovery, and tune stability decide heats.
In 1S competition, the difference between a board that feels locked in and one that feels vague often shows up in the first turn after launch. Curly FPV said the Matrix 1S Meteor 75 Pro used a lighter Matrix 1S 5-in-1 AIO that removed the need for an external VTX, while Painless360 introduced BETAFPV's Matrix 5in1 Whoop FC in January 2025 as a board combining FC, VTX, ESC, OSD and ELRS. That family history suggests BETAFPV is still chasing tighter integration, which usually helps pilots who want cleaner builds for gym races and quicker fixes between heats.
The support side matters just as much as the frame. BETAFPV Support Center lists Betaflight 4.5.1 for the Matrix 1S Brushless Flight Controller 3IN1 HD and Betaflight 4.5.2 for the 4IN1 version; both pages also list ELRS 2.4G V3.5.3 receiver firmware and Bluejay A_X_5_96KHz_V0.19.2 ESC firmware. For racers, that shared firmware stack points to a common throttle baseline, while the 4IN1's broader integration can shorten post-crash rebuilds when a heat ends in the net instead of the gate.
Retail listings show the board already circulating beyond BETAFPV's own store. Tiny Whoop has a Matrix 1S 4in1 HD listing, and weBLEEDfpv listed the 4IN1 at $56.99 with 16MB memory and four shock-absorbing balls, details that make the package look aimed at repeated indoor abuse. BETAFPV's support pages also note a BMI270 version, so pilots still need to match the hardware before flashing.
The broader Matrix line has also been pushed toward digital whoops. In February 2025, Oscar Liang described a Matrix 3in1 FC as designed specifically for the DJI O4 Air Unit, which fits the same shift Curly FPV highlighted in the Meteor75 Pro build. With BETAFPV's beginner kits built to take pilots from unboxing to immersive flight in minutes, the Matrix 1S does not just serve newcomers. It gives experienced 1S racers another route to a lighter, more integrated micro build, and that can matter most in short indoor formats where every clean recovery preserves a lap.
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