Key Features :
Compact all-in-one design
USB for Chargering
Provide 4 GPIO ports to control up to 4 servo motors simultaneously
I2C port for expansion of extra functions
5V / 350mAh Lithium Ion Capacitor for power with nominal output of 10C

Dimension is L55mm x W44mm x H23mm

DC Motor x 2：2.5V ~ 6V , Avg. 1.2A , Max 2.0A
Buzzer x 1 : SW3 ( Buzzer / P2 )
I2C x 1 : ( P3 , P1 , 3.3V , GND )
Ext. x 1 : ( P4 , P2 , VCC , GND )
Upload Program x 1 : ( RX , TX , VCC , GND )

Power Consumption
Idle Mode : 2mA
Active Mode : 2.5A
Operating Voltage : 3.9V ~ 5.1V
Battery Voltage Indication : Red light below 3.9V, Green light above 4.2V

電商販售連結 ICSHOP https://www.icshop.com.tw/product-page.php?28709

ESP32-CAM Motor Shield - Gripper Build Instruction 組裝解說