We can see how circuits work, and represent them with some simple diagrams, using basic electrical components like these. You start with a cell, or combination of cells. These could be batteries ...

Simple touch switch circuit with 4011 – source The circuit as you can see from its diagram is very simple and only uses 8 components. The heart of the circuit is the IC CD 4011 that is connected as a ...

but want to know more about how to read schematic diagrams and then use them to track down the source of the problem in an HVAC/R system that’s down." According to Johnson, "Using Schematics To ...