Please Donate: BTC:384FUkevJsceKXQFnUpKtdRiNAHtRTn7SD ETH: 0x20ac0fc9e6c1f1d0e15f20e9fb09fdadd1f2f5cd 0:00 About our Rig. Power sources, load, measuring instruments. 2:51 About the Generator. 3:51 Running load off DC and AC source. 6:01 Switches. Latching, momentary, changeover, toggle, single-pole, double-pole. 7:57 Relay. DC and AC power. Types of relay. Generator and latch using a relay. 9:50 Batteries. Serial connection of batteries. 11:01 Battery capacity and how it should be measured. 12:05 Resistors. Serial and parallel connection. 14:31 Diodes and bridge rectifiers. 17:22 Capacitor. Voltage smoothing. 19:28 Transformer. Transformation ratio. Step-down and step-up transformers. 22:13 Transistor. PNP and NPN. Common emitter topology. 23:32 Touch sensor using a transistor. 25:31 Temperature sensor. PTC and NTC thermistors. 27:05 SCR. Thyristor and triac. Latch using an SCR. Dimmers. 29:18 Opto-coupler. Principle of operation. Galvanic isolation. 31:29 Thanks for watching!