Waveshare ESP32 Servo Drive Expansion Board, Built-in WiFi and BT, 21593

Characteristics
1. Control up to 253 SC, ST series serial bus servos simultaneously (adequate power supply required)
2. Wide range voltage input 6-12V (input voltage and servo voltage must be matched)
3. Built-in WiFi and Bluetooth, plus ESP-NOW support, for remote control and servo debugging
4. Automatic download circuit for easy program loading
5. Open source web application and various robot frameworks
6. Compact size and space saving, suitable for integrating into kinds of projects with limited space
Specifications
1. Power supply voltage: DC 6-12V
2. Power connector: 5.5 x 2.1mm DC
3. Download interface: Type-C
4. Controller: ESP32
5. Control interface: UART
6. Dimensions: 30 x 65 mm
7. Mounting hole size: 2.75mm
8. Mounting hole spacing: 23 x 58 mm
List of packages
1. Servo drive with ESP32 x 1
2. Screw pack x 1