DFRobot
Sensor / Motor Drive Board
This Sensor/Motor Drive Board (Cortex M3 CPU) is the integration of multiple communication interfaces that quickly build robotic systems. This board (Cort...
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This Sensor/Motor Drive Board (Cortex M3 CPU) is the integration of multiple communication interfaces that quickly build robotic systems. This board (Cortex M3 CPU) features the SPI Interface and works as a bridge between the whole system. There are many types of sensors on the board such as I2C bus communication protocol sensors, Ultrasonic sensors, SP03 TTS, CMP03 electronic compass, RS485-bus sensors, analog output sensors, infrared distance sensors, gyro sensors, acceleration sensors, and light sensors etc. The RS23 serial port is used to send signals to the host PC or other embedded systems. At the same time SDB plates with two-way DC motor-driven, two-way rotary encoder interface and a PID motor control algorithms which can be controlled through the serial port. The mounting hole structure is compatible with PC104.
FEATURES
- Closed loop DC motor control
- Selectable Baud rate
- Motor current: 4A Max per channel
- Operating temperature range: -10 ~ +70°C
- SPI Interface
SPECIFICATIONS
- Supply Voltage: 6V-12V, 15V maximum
- Working Current: 150mA @12V
- Working Temperature : -10~+70°C
- CPU: Cortex-M3 (90MIPS), support DMA access
- Interface: RS232/TTL at 9600,19200,38400 or115200 bps
- 8 Analog Input (12 bits)
- 11 Digital I/O Lines (IO0-IO7 can be configured for servo control)
- Up to 8 servo with speed control
- Support I2C,RS485,(CAN and SPI interfaces are not supported in V2.2)
- Dual 4 Amp H-Bridge: Control 2 DC motors with A/B encoders interface. Integrated PID speed control. Support odometer and motor current reading.
- Size: 96mmx90mmx20mm (3.8x 3.5x 0.8 in)(compatible with PC104 mounting holes)
- Weight: 87g
DOCUMENTS
SHIPPING LIST
- Sensor / Motor Drive Board x1
Jargon buster
Plain-language definitions for the technical terms used above.
- baud
- Baud is the signalling rate of a serial connection, often used as the speed setting for UART communication. Matching the baud rate matters because both connected devices must use the same setting for readable data.
- DC
- DC means direct current, where electricity flows in one constant direction, as supplied by batteries, USB ports and many plug-pack power supplies. When a product specifies DC, it runs from a DC supply rather than mains AC, so you need to provide the correct voltage and polarity.
- encoder
- An encoder is a sensor that converts the rotation or position of a shaft, knob or dial into electrical signals, reporting movement as incremental steps and direction, or as an absolute position. It is used to track how far something has turned, which matters for precise positioning, speed control, repeatable movement, or using a rotary knob as an input.
- I2C
- I2C is a two-wire communication bus used by many sensors and small modules. It matters because several I2C devices can share the same two wires, but each device needs a compatible address and your controller must support I2C.
- RS485
- RS485 is a robust differential serial communication standard often used in factories, farms and buildings where cables may be long or electrically noisy, and it can link many devices on a single pair of wires. When a product lists RS485, it can communicate with industrial sensors, meters and control equipment over longer distances than typical hobby serial wiring.
- servo
- A servo is a motor with built-in position control, usually told to move to a specific angle by a control signal. It matters when you need repeatable movement, such as steering, arms, flaps, or linkages, rather than continuous spinning.
- SPI
- A fast serial communication bus often used for displays, memory cards, and sensors. It matters because SPI devices need specific pins for clock and data, plus a separate chip-select line for each device.
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