Focusing Algorithm of Automatic Control Microscope Based on Digital Image Processing

Table 1

The composition of the circuit power module.

Device	DC power supply	LM317	7805	AS1117
Input voltage	220 V AC	+24 V	+12 V	+5 V
Output voltage	+24 V	+12 V	+5 V	+3.3 V
Power supply object	Stepper motor drive	7805	AS1117 voltage regulator tube; +5 V peripheral components	Single-chip microcomputer; +3.3 V peripheral components