Can control up to 253 SC series bus servos simultaneously (with sufficient power supply) Wide voltage input: 612V (input voltage must match servo voltage) Built-in Wi-Fi and Bluetooth, supports ESP-NOW for remote control and debugging; enables automatic download circuit for easy program upload Open-source web applications and support for multiple robot structures Compact and mini design saves space, ideal for integration into space-constrained projects Power supply voltage: DC 612V Power supply interface: 5.5 x 2.1mm DC Download interface: Type-C Main chip: ESP32 Control method: UART Through hole diameter: 2.75mm Mounting hole spacing: 23 x 58mm Servo feedback capabilities include position, speed, torque lock, and operation mode (servo mode, servo motor mode, etc.) Suitable for advanced closed-loop control projects such as quadrupeds, hexapods, robotic arms, and other multi-servo robotic applications Color: Black Material: PCB Package includes: 1 x Servo Driver with ESP32 1 x Screw Pack Note: The package includes only the items listed above. Other items are not included. Note: Lighting and display differences may cause slight variations between the image and actual product color. Measurement error allowed: +/- 13 cm.