Fig. 1

General schematic of the setup: (a) camera; (b) light source, (c) ultrapure water source, (d) solenoid valve, (e) multifunction DAQ, (f) digital I/O board, (g) universal relay board, (h) KVM emitter, and (i) KVM receiver
General schematic of the setup: (a) camera; (b) light source, (c) ultrapure water source, (d) solenoid valve, (e) multifunction DAQ, (f) digital I/O board, (g) universal relay board, (h) KVM emitter, and (i) KVM receiver