Table 1.

Experimental data of the sensor node by repetitive loading.

Load Conditions / ΔG (N)	Output Voltage (V) / Strain (με)
	Cycle 1		Cycle 2		Cycle 3
	Plus Direction	Negative Direction	Plus Direction	Negative Direction	Plus Direction	Negative Direction
0	1.144/0	1.144/0	1.144/0	1.143/0	1.143/0	1.143/0
2	1.218/387	1.218/387	1.218/387	1.218/387	1.218/387	1.218/386
4	1.293/769	1.293/769	1.293/770	1.293/769	1.292/769	1.292/769
6	1.367/1151	1.367/1151	1.367/1150	1.367/1151	1.368/1150	1.367/1151
8	1.442/1532	1.442/1532	1.442/1532	1.442/1532	1.442/1532	1.443/1532
10	1.517/1918	1.516/1913	1.517/1915	1.516/1915	1.517/1915	1.517/1915
12	1.591/2290	1.591/2290	1.590/2291	1.590/2291	1.591/2294	1.591/2294