As well as this the Romeo BLE Quad offers powerful performance thanks to the STM32 ARM 32-bit microcontroller with more storage space and more interface resources. DFRobot has developed bespoke firmware to make it compatible with Arduino IDE and accessible to beginners to robotics.
The board includes 10 digital and 5 analog I/O pins that are independent of the motor driver pins. The board also includes a series of أ¢â‚¬إ“Gravityأ¢â‚¬â€Œinterface pins that are marked with different colors to easily differentiate analog and digital I/O pins as well as including extra power and ground connections for devices. The Gravity interface is colored as follows:
Note: The Operating voltage of Romeo BLE Quad is 3.3V, please read the wiki Board Overview carefully before usage!
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