Basic Relay Schematic - Converting plain "Legacy" AutoCAD® drawings to AutoCAD® Electrical format. Many converts to AutoCAD Electrical are coming from the plain AutoCAD environment, so there drawings usually consist of simple lines and text to represent wires and wire numbers, and simple blocks to represent schematic. A solid state relay (SSR) is just what it sounds like; an IC that acts like a mechanical relay. They allow you to control high-voltage AC loads from lower voltage DC control circuitry.. The MECP Basic Installation Technician Study Guide is a comprehensive reference and instructional manual designed to prepare the reader to take and pass the MECP Basic Installation Technician Exam and prepare the rearder for an entry-level position in the automotive electronics ("12 Volt") industry..
In electronics, a logic gate is an idealized or physical device implementing a Boolean function; that is, it performs a logical operation on one or more binary inputs and produces a single binary output. Depending on the context, the term may refer to an ideal logic gate, one that has for instance zero rise time and unlimited fan-out, or it may refer to a non-ideal physical device (see Ideal. Blog Entry Using Transistor as a Switch December 23, 2008 by rwb, under Electronics. Most of microcontrollers work within 5 volt environment and the I/O port can only handle current up to 20mA; therefore if we want to attach the microcontroller’s I/O port to different voltage level circuit or to drive devices with more than 20mA; we need to use the interface circuit.. Electrical Relay. Electrical relays and contactors use a low level control signal to switch a much higher voltage or current supply using a numer of different contact arrangements.