F7 flight controller
Fast gyro filtering, clean UART access, USB-C setup, and enough headroom for demanding race tunes.
Racing drone electronics
TRX-45 racingAIO card
A compact all-in-one board for serious racing builds: ELRS receiver, F7 flight controller, OSD, blackbox, and a 45A 4-in-1 ESC on one clean stack.
- 45A
- burst-ready ESC
- 2.4G
- ELRS built in
- 5.8 g
- board weight
Motor pads
ELRS ceramic antenna
USB-C setup
Main product
One board. Cleaner race builds.
The TRX-45 AIO is designed for pilots who want less wiring, lower weight, and a board layout that stays serviceable after hard race days.
45A 4-in-1 ESC
Confident current handling for 4S and 6S builds with short, direct motor pad routing.
ELRS receiver
Integrated 2.4 GHz ExpressLRS removes receiver wiring while keeping failsafe behavior predictable.
$119
demo checkout
Small parts
Useful parts for cleaner builds
A tight set of add-ons that match the AIO board instead of a cluttered parts wall.
Micro LED Driver
Programmable driver for race numbers, orientation strips, and low-current accent LEDs.
$18
Race LED Set
Two thin flexible strips with bright diffusion and pre-tinned pads for quick installs.
$12
Low ESR Cap Pack
Compact 35V capacitors and heatshrink for cleaner voltage under aggressive throttle hits.
$9
Race Wire Kit
Silicone power leads, signal wire, and pre-cut shrink in a practical bench refill kit.
$15
Technical overview
Built for fast swaps and tidy frames.
The product data here is demo content, but the structure is ready for real stock, real product photos, and real checkout once the parts list is final.
Input voltage3S-6S LiPo
ESC rating45A continuous / 55A burst
MCUSTM32F722
ReceiverIntegrated ELRS 2.4 GHz
Mounting25.5 x 25.5 mm
FirmwareBetaflight / BLHeli_32 style demo