Description Base X is a specialized base compatible with LEGO EV3 motors. Its structural design is similar to BASE26, supporting multiple mounting methods and providing a LEGO connector base so it can be integrated into LEGO builds. Base X can connect up to 4 LEGO motors simultaneously, supporting angle and speed reading and control. It also provides 2 servo interfaces for direct servo angle control, a built-in PDM microphone for sound acquisition, a UART interface, and a GPIO interface for flexible sensor connection. The base includes a built-in 950mAh battery that can be charged through the M5Core USB Type-C port. To improve motor driving capability, it also provides a DC power jack for external 9-12V DC motor power input. Charging through the base is not supported. Features Compatible with LEGO EV3 motors 4-way LEGO motor interface, total maximum current output 2A for the base 2-way servo drive, total maximum current output 2A for the base Supports angle and speed reading and control 1-way UART interface 1-way GPIO interface Built-in PDM microphone on G34 Onboard DC-DC conversion, 9-12V input for independent motor power only Built-in 950mAh battery Multiple mounting methods and LEGO hole support Specifications Specification Parameter MCU STM32F030C8T6 Communication Interface I2C communication @ 0x22 Motor Interface 4-way LEGO motor interface Servo Interface 2-way servo drive Motor Power Input 9-12V DC input, independent motor power only Battery 950mAh built-in battery Product Size 54.0 x 54.0 x 26.0mm Product Weight 59.0g Package Size 150.0 x 65.0 x 40.0mm Gross Weight 110.0g Interface 4-way LEGO motor interface 2-way servo interface I2C communication interface, slave address 0x22 UART interface on 16 / 17 GPIO interface on 26 / 36 Built-in PDM microphone on G34 DC power jack for 9-12V motor power input DIP switch for switching SW-marked M5-Bus pins to adapt to different main controllers Applications LEGO encoder motor and servo controller Intelligent control for LEGO DIY toys Product List 1 x Base X 1 x LEGO Base 2 x M3 x 5mm 304 Stainless Steel Hex Socket Bolt 2 x M3 x 32mm 304 Stainless Steel Hex Socket Bolt 1 x Hex Key L-Shape 2.5mm for M3 Screw Resources Official Documentation Base X Model Size PDF Base X Structure Files Base X Test Program Base X UiFlow1 Documentation FAQ What is Base X designed for? Base X is designed as a base compatible with LEGO EV3 motors and LEGO DIY control projects. How many LEGO motors can Base X connect? It can connect up to 4 LEGO motors simultaneously. Does Base X support servo control? Yes. It provides 2 servo interfaces for direct servo angle control. What is the I2C address? The I2C slave address is 0x22. Does Base X include a battery? Yes. It includes a built-in 950mAh battery that can be charged through the M5Core USB Type-C port.
