Tag Archives: Relays

Garage Door Closing Circuit Just using Relays

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Because Iā€™m old school, I wanted to build a Garage Door Closing circuit without relying on integrated configurations (555 timer etc) to keep it simplistic. The circuit closes the garage door after two minutes with C3 and four minutes with the addition of C2. The timer relay is surprisingly accurate… Read more »

Simple Relay Step-Up Circuits

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Have you ever needed to power a 12-volt relay in a circuit but only had 6 or 9 volts available? This simple circuit will solve that problem. It allows 12-volt relays to be operated from 6 or 9 volts, or 24-volt relays from 12 volts. While most normal relays require… Read more »

Dual Relay Driver Board Circuit Schematic

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A simple and convenient way to interface 2 relays for switching application in your project. This relay driver boosts the input impedance with a regular BC547 NPN transistor (or equivalent). Very common driver. It can drive a variety of relays, including a reed-relay. Transistor Q1and Q2 are a simple common-emitter… Read more »

Working of Relays

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Working of Relays In this article, the basics of a relay like energized relay and de-energized relay are explained in detail. Also, the design, construction, working, applications, and also relay selection is explained in detail. What is a relay? We know that most of the high end industrial application devices… Read more »

Working of Contactors

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There are posts on the working of relays, types of relays and so on. To know about them click on the links below. TAKE A LOOK : WORKING OF RELAYS A contactor is also a type of relay. Although they have been explained in earlier posts, their wide use and… Read more »

Types of Relays

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Types of Relays In this article, the different types of relays like overload protection relay, solid state relay, solid state contactor relay, Buchholz relay, Mercury Wetted relay and many more are explained with diagrams. . In my earlier post I have alreaady explained the working of relays, and their design… Read more »

1989 Ford Ranger Two Wheel Drive Manual Fuse Box DIagram

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1989 Ford Ranger Two Wheel Drive Manual Fuse Box DIagram 1989 Ford Ranger Two Wheel Drive Manual Fuse Box Map Fuse Panel Layout Diagram Parts: hazard lamp, speed control, windshield wiper washer, lift gate washer wiper, turn lamps, back up lamps, brake fluid level sensor, rear window defrost, A/C compressor… Read more »

1999 Daewoo Korando Power Distribution Fuse Box Diagram

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1999 Daewoo Korando Power Distribution Fuse Box Diagram 1999 Daewoo Korando Power Distribution Fuse Box Map Fuse Panel Layout Diagram Parts: Blower motor, Defogger, Interior lamp, Seat warmer, Sunroof, Airbag, Audio switch, Alternator, Ignition switch, Preheat, Relays, Horn, Hazard lamp.