To take advantage of the driver DC motor using your micro:bit, keyestudio designe this expansion board. The board integrates 3.3V and 5V voltage regulator chips, serial communication interface for connecting BT modules and a DRV8833CPWP chip which outputs the maximum 700mA current. It also has four motor control modes: clockwise rotation/anticlockwise rotation/boot/stop. PWM supports frequencies up to 100 kHz. This board also has 3-pin interfaces which can be connected to other sensors.The motor pin A1, A2, B2 and B1 of the expansion board are controlled by P13, P12, P15 and P16 of the micro:bit board.SpecificationsMotor Drive: DRV8833Input voltage: DC 5-10.8VOperating current of driving part: 700mAMotor output configuration: double h-bridgeWorking temperature: 0C ~50CSize: 70mm*58mmDocumentationProduct WikiInclude:1 Micro:bit DRV8833 Motor Driver Expansion Board
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