STM32F100
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Holybro Pixhawk 4
Flight Controller
Open-source flight controller based on the Pixhawk FMUv5 standard. Features STM32F765 processor at 216MHz, triple redundant IMUs, barometer, and magnetometer. Runs ArduPilot or PX4 autopilot firmware.
STM32F765512KB SRAM2MB
~$125View
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