Good, reliable digital forensics tools are key requirements for your lab.This reference voltage from output of IC5 / 4 will send to pin 7 of IC3/2, to compare with the signal at pin 6 of IC3/2 that connected from IC3/1, which is 20KHz frequency ramp generator circuit. IC5/4 is reference voltage booster circuit, which the output of IC5/4 will depending on adjusting VR3.IC5 – 79l05 voltage regulator, integrated circuit Q1-Q4 – MPSA14, NPN transistor D1-D4 – 1N914, silicon diode D5, D6 – 1N4004, silicon diode LED1-LED4 – Light emitting diode, red ADDITIONAL PARTS AND MATERIALS S1 – DIP switch, 3 position S2 – Toggle switch, single pole double throw, one momentary position (Digi-Key CK1028-ND or.For example, if you plan a stay in your vacation house, you can set the s… Scheduled temperature control allows you to set the temperature of the house at some time in the future. The IC5 app allows you control your house's temperature to a comfortable level without having to be near the heat pump.