Description Hat 8Servos v1.1 is an 8-channel servo driver board designed for the M5StickC and M5StickC Plus series. It uses an STM32F030F4 main controller to generate multiple PWM signals for driving servos, allowing the M5Stick series controller to control up to eight servo channels through the I2C communication protocol. The board integrates a MOSFET-based servo power control circuit, enabling programmable servo power on/off control. It is powered by a rechargeable 16340/18350 lithium battery with 700mAh capacity and supports a maximum 8-channel load capacity of DC [email protected], making it suitable for robot control, servo control, and smart toy projects. Features 8-channel servo drive: supports control of up to eight servo channels. STM32F030F4 controller: generates PWM signals for servo driving. I2C communication: controlled through I2C address 0x36 to save host IO resources. Programmable motor power control: integrated MOSFET circuit supports motor power on/off control by program. Battery powered: powered by a 16340/18350 lithium battery with 700mAh capacity. Reverse battery protection: includes protection against incorrect battery installation. M5Stick series compatibility: designed for the M5StickC and M5StickC Plus series. Specifications Product Hat 8Servos v1.1 SKU U076-B MCU STM32F030F4P6 Battery 16340 / 18350 lithium battery, 700mAh Servo Driver Channels 8 channels Maximum Load Capacity 8-channel maximum load capacity: DC [email protected] No-load Standby Current DC [email protected] Mounting Hole Specification M3 Communication Interface I2C Communication @ 0x36 Product Size 52.0 x 24.0 x 25.0mm Product Weight 28.3g Package Size 75.0 x 46.0 x 29.0mm Gross Weight 39.7g Protocol Protocol Type I2C I2C Address 0x36 Angle Control Registers 0x00 to 0x07, corresponding to CH1 to CH8 angle output Angle Valid Range 0-180 Pulse Width Control Registers 0x10 to 0x1E, corresponding to CH1 to CH8 pulse width output Pulse Width Valid Range 500-2500 Servo Power Control Register 0x30 Servo Power Control Range 0: power off / 1: power on Applications Servo controller. Robot control. Smart toys. Product List 1 Hat 8Servos v1.1 1 16340/18350 Battery (700mAh) Other Content Motor Power Control MOSFET control power on/off Battery Reverse Protection Protection circuit Mounting Ears 4 removable ears with mounting holes I2C Address 0x36 Resources Official Documents Hat 8Servos v1.1 Schematics PDF Hat 8Servos v1.1 Model Size PDF Hat 8Servos v1.1 Arduino Library Arduino Example for M5StickC Arduino Example for M5StickC Plus UiFlow1 Docs Internal Firmware FAQ What is Hat 8Servos v1.1 used for? It is used to control multiple servos in servo controller, robot control, and smart toy applications. How many servo channels does it support? It supports 8 servo driver channels. Which controller does it use? It uses an STM32F030F4P6 main controller. Which communication protocol does it use? It uses I2C communication at address 0x36. What is the angle control range? The official protocol lists a valid angle range of 0 to 180. What battery does it use? It is powered by a 16340/18350 lithium battery with 700mAh capacity. Does it support programmable servo power control? Yes. It includes MOSFET-based motor power control, with register 0x30 used for servo power on/off control.
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