Experimental Verification of Applying Active Control Method as Virtual Support for Relief Bridge

Table 1

Connections of MCU and instruments.

Vibration sensor-1 (2 pieces)		Data recording
Arduino Nano	MPU-9250	Arduino Nano	SD modulus
GND	GND	GND	GND
3.3 V	Vcc	5V	Vcc
A4	SDA	D4	CS
A5	SCL	D11	MOSI
GND (0x68)	ADO (CS)	D12	MISO
3.3 V (0x69)		D13	SCK
Vibration sensor-2		Cantilever mechanism (2 pieces)
Arduino Nano	Potential meter	Arduino Nano	RC servo
GND	GND	GND	GND
5 V	Vcc	D9/D10	Signal
A0	Signal	External 6 V	Vdd