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Pre-order

2026 Falcon Evaluation Board

A highly configurable STM32F405 development board for rocket avionics and flight computers.

Flown at TEKNOFEST and designed on our team's own flight computer experience.

Pre-orderPre-order · No payment required

Configure

Build your board

Pick the modules you need. The summary updates as you go and is added to your pre-order request.

Quick start

Solder mask colour

Purple
LoRa slot 1
LoRa slot 2
LoRa slot 3
GPS
Barometers(choose any)
IMU / Magnetometer(choose any)
12 V boost
Ultra-low-noise 3.3 V LDO
RS232 / DB9 (SİT/SUT)
SPI flash

Before you order

  • You are responsible for making sure the LoRa frequency and output power comply with the regulations of the country where you use them. 433 and 868 MHz can be used at low power in Türkiye and the EU; 915 MHz is mainly for the USA.
  • A solder bridge configuration guide ships with the board.

Pre-order request

Send us your details and configuration, and we'll get back to you with pricing and delivery details.

No payment required

Highlights

Everything a flight computer needs

  • MCU

    • STM32F405VGT6, 168 MHz Cortex-M4F
    • SWD debug
    • BOOT and RESET buttons

  • Barometers (selectable)

    • MS5611, BMP390, LPS28DFW, LPS27HHW, MS5837

  • IMU / Magnetometer (selectable)

    • BMI088, BNO055, MMC5983MA

  • GPS

    • u-blox SAM-M10Q or SAM-M8Q

  • 3 LoRa slots

    • E22-900M30S, E22-900M33S, E22-400M30S or E22-400M33S in each slot, or leave it empty
    • 50 Ω line and SMA connector on every slot

  • Memory

    • 16 MB SPI flash (W25Q128)

  • SİT/SUT interface

    • RS232 (MAX3232) with DB9
    • Ready for the TEKNOFEST Sensor Monitoring and Synthetic Flight tests

  • Recovery

    • Apogee and Main MOSFET pyro outputs
    • Opto-coupler protection for the MCU
    • Status LEDs

  • Power

    • TPS63070 buck-boost for 3.3 V / 5 V
    • Optional ultra-low-noise 3.3 V LDO
    • Optional 12 V boost (TPS61088 or TPS55340)
    • Reverse polarity protection, fuse, TVS
    • Current and battery voltage sensing

  • I/O

    • USB-C
    • Differentially driven piezo buzzer
    • Plenty of GPIO
    • 3.3 V / 5 V headers
    • Ready-made UART header and 3 I2C headers

  • Configuration

    • Every sensor's I2C address, bus assignment and the regulator paths are selected with solder bridges
Technical specifications
Microcontroller
STM32F405VGT6, Arm Cortex-M4F with FPU, 168 MHz
MCU memory
1 MB flash, 192 KB SRAM
External memory
16 MB SPI NOR flash (W25Q128), optional
Barometers
MS5611, BMP390, LPS28DFW, LPS27HHW, MS5837 (any combination)
IMU / magnetometer
BMI088, BNO055, MMC5983MA (any combination)
GNSS
u-blox SAM-M10Q or SAM-M8Q, optional
Radio
3 slots for EByte E22 LoRa modules: E22-400 (410–493 MHz) or E22-900 (850–930 MHz), 30 dBm (M30S) or 33 dBm (M33S)
RF connectors
3 × right-angle SMA, 50 Ω lines
Pyro channels
2 (Apogee, Main), MOSFET switched, opto-isolated from the MCU, no arming circuit
Serial / test interface
RS232 via MAX3232 on DB9 (TEKNOFEST SİT/SUT), optional
Expansion
UART header, 3 × I2C headers, GPIO, 3.3 V / 5 V power headers
Power
Battery input on XT30; TPS63070 buck-boost (3.3 V / 5 V); optional ultra-low-noise 3.3 V LDO; optional 12 V boost (TPS61088 or TPS55340)
Protection and sensing
Reverse polarity protection, fuse, TVS; current and battery voltage measurement
USB and debug
USB-C, SWD, BOOT and RESET buttons
Indicators
Status LEDs, differentially driven piezo buzzer
Board size
120 × 120 mm, 1.6 mm PCB

FAQ

Questions and downloads

Which LoRa module should I choose?

E22-400 modules cover 410–493 MHz (the 433 MHz band), E22-900 modules cover 850–930 MHz (868 and 915 MHz). M30S versions transmit up to 30 dBm (1 W), M33S versions up to 33 dBm (2 W). Choose the band allowed where you fly and set the output power to the legal limit; for competitions follow their frequency rules. With three slots you can run telemetry, a backup link and a payload link side by side.

What is SİT/SUT?

Two tests in the TEKNOFEST Rocket Competition. In the Sensor Monitoring Test (SİT) the flight computer streams its sensor data to the referee's test hardware; in the Synthetic Flight Test (SUT) the referee feeds simulated flight data and checks that the flight computer triggers the recovery events correctly. The board's RS232 port (MAX3232 with DB9) is made for this connection.

How are the solder bridges set?

Each sensor's I2C address, the bus it sits on and the regulator paths are chosen by joining or opening small solder bridge pads with a soldering iron. The configuration guide shipped with the board lists every bridge and its options.

When will it ship?

The board is in the pre-order phase. Once production is scheduled we'll email everyone who sent a request with the price and delivery date. Nothing is charged until you confirm your order.

Downloads

  • PinoutComing soon
  • User manualComing soon
  • Example firmwareComing soon