LCR-ST1-V1.5-20240827
1. Repair the logic of automatic shutdown setting
2. Add the function of identifying the direction of diode

LCR-ST1-V1.4-20240803
1. Repair the abnormal progress of resistance measurement in some intervals

LCR-ST1-V1.3-20240725
1. Repair some problems of diodes

LCR-ST1-V1.2-20240714
1. Add the function of measuring on and off under diode
2. Add Z and X secondary parameters
3. Add data saving