Romeo BLE Quad - STM32 Robot Controller, 4-Ch Motor Driver (DFR0398)
STM32F103RET6-based Arduino-compatible robot controller at 72 MHz with TI CC2540 Bluetooth 4.0 (30 m range), four DC motor drive channels, 10 digital and 5 analog I/O pins, and Gravity interface connectors. Logic runs at 3.3 V; external motor supply is 7–10 V DC.
Start wiring
USB · 3.3 V
Confirm the data interface matches your host board.
Other MCUs
225 other optionsSpecialists: Teensy for high-clock audio and USB, Adafruit SAMD boards running CircuitPython or the Arduino IDE, proper STM32 eval kits, and the micro:bit classroom ecosystem. Schematik builds target ESP32, Arduino Uno, and Pico; come here when you have a specific reason to.
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