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. 2022 Dec 5;9(12):768. doi: 10.3390/bioengineering9120768

Figure 12.

Figure 12

(A) The hardware setup. The Arduino control board and Linear Actuator were mounted on the exoskeleton. The signals were transferred to the OpenViBE PC running OpenViBE via a wireless connection. When an imagined wrist extension was identified, a trigger was transmitted to the Arduino on the exoskeleton through wireless communication. A wire linked the Arduino to the Linear Actuator Control board. A 12 V power supply was used to power the Linear Actuator Control board. A wire linked the motor to the Linear Actuator Control board. (B) The 3D-printed exoskeleton. The contact surfaces of the forearm were padded with foam to improve comfort. Velcro straps were used to fix the exoskeleton to the subject’s forearm [102].