Basic Electricity – Start here if you don’t know anything about electricity or electronics. These pages cover the basics. They are great for young students.

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QRZ was founded in 1992 by Fred Lloyd, AA7BQ as a spinoff of what was once called the “Callsign Project”, a cooperative effort designed to obtain and distribute FCC database tapes.

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Types of Advertising in delabs-dapj and Sponsored Posts, Pages. Listings of firms and Promotion of products.If you have something else in mind, we can adapt our service to suit your need. These are current revised rates updated on March 2025. See Ads Rates and choose.

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Here are project reports on how to manage the various design needs of a inverter for a power ups. Even Solar Energy systems need inverters to create AC Sine Wave Power Supply from a DC Battery Array.

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This is a mains 230V AC load current indicator and is a LIVE CIRCUIT, so take care. The Resistors have to be a fusible ceramic wire wound.

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None of this is specific to a particular microcontroller or family of microcontrollers; it applies equally well to PICs or AVRs or 8051s or any other processor.

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Date: Wed, 30 May 2007 17:00:46 -0400   – Subject: 555 simulator

Hello, I just found and had a chance to play with the 555 simulator over the internet.

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“I am not a professional electronics engineer, nor do I have an electronics degree. I make no claims for technical accuracy, good design, or necessarily even originality for the contents of these pages. 

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Electron Tubes & Tube Amplifier Parts.. “Worldwide Service Neighborhood Prices” Since 1985. Online Tube Amp Kits Transformers Tubes Capacitors Dynaco Upgrades and Parts.

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Colorful LED lights bring cheer to the room. Every color can change your Mood and the way you think. Colorful Lights on Dashboards help you know the status of activity or process at a glance and also alert you about a task or action.

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Ergonomics and Manpower the Engine of Growth –  A Worker in One Firm is a Customer for another Firm. Healthy and Safe Workers implies a strengthening Consumer base.Just imagine what wonders it can do for the economy, when you broaden your view, think togetherness, as a Whole; not in isolated competitive groups, not in parts.

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Howdy! This circuit of yours is EXACTLY what I was looking for. TOTALLY cool! However, I have a few questions about it…mostly because I’m a software guy.

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The usefulness of an oscilloscope is not limited to the world of electronics. With the proper transducer, an oscilloscope can measure all kinds of phenomena.

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Electrical, Eectronics, Computers and Engineering related cliparts from Openclipart.

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Schematic Doodles are Schoodles. These are rough and casual sketches of mine which were made long after i was 40.

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message: from SJ

for my hobby purpose (pewter small models) i ‘m building a kind off rubber press with two hot plate about max: 200degre C.

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Kieth’s Blog has many ideas on refurbishing and creating electronic gadgets, Mechanical and DIY Techniques. LED Calculator with Rotary Quadrature Encoder for Target System Voltage Selection, Arduino, Robotics, PCB Layout Tips, Introduction to Circuits, LED Clock.

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This manual provides maintenance information for the Energv Concepts Digital Multimeter, Model No. 50200. Included are circuit board information, the various adjustments required, parts lists, schematic diagram, and other maintenance and troubleshooting information.

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Building discrete semiconductor and passive designs, using Opamps and Mixed Design Circuits are the first step in electronics. Most consumer Electronics have a high analog circuit content.

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This book is intended to show the electronics experimenter how the transistor was developed, how it is manufactured, and how it works.

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