This is a 24-channel servo controller designed by ToRobot
Featured with a 32-Bit CPU, it provides better speed, accuracy and stability.
The servo controller can be easily controlled by either a easy-to-use software or UART (TTL). 

Features:
• 32-bit CPU
• Operating Voltage: refer to the user guide
• Simultaneously control 24-Channel
• USB, Serial (TTL, USART, bluetooth) compatible
• Arduino compatible
• Output : PWM 1us Accuracy
• Accuracy: 0.09°
• Baud rate: 9600, 19200, 38400, 57600, 115200, 128000 (automatically identified)
• Memory: 512KB Flash

Size:
2″ x 1.75″ x 0.5″