Hobby DIY Electronics

A nice DMM is the first thing you should own. Have one for High Voltage and High Energy and another for Workbench Testing.

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Wilko J. Hollemans PA3BWK – “Practice SENDING very fast but ACCURATELY – this in itself will improve your ability to copy fast code.

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All of man’s progress has stemmed from ideas, ideas held by men and women who pioneer new concepts. The provocative ideas of yesterday are the realities of today that make our daily tasks easier, our lives more interesting.

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TRS-80 Computer Whiz Kids – appeared in 1984. Eight issues in all are known to have been published, the last appearing in 1991.

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Electronic circuits easy to realize and although each circuit comes with some essential information.

Bubblegate Circuits of Domenico Di Mario

Multiple led flasher SCR inverter, Geomagnetic field detector, Sound triggered flash, Seismic detector, Electronic attenuator, Windscreen loop aerial, Ultra low frequency receiver, Single led flasher, Mains frequency meter, 10A car battery charger, Light bulb timer ….

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This is an old article from Practical Electronics 1979. It shows the input circuits and digital ranging controls too. Using 7107 chip for display it is an excellent project to build even today.

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If you want to build electronic circuits, you need to connect the components of your circuit somehow. If you expect to make your circuit work more than just a few times, you need a solid way of connecting them.

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CARACA is a home automation project based on a net of interconnected programmable circuits suited to perform different tasks like switch on/off appliances, decode commands from Ir remote control units, control thermostats, measure temperature and more.

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This centralized system can control almost all of the lights in my home, a few appliances, the garden irrigation, some window treatments, the Audio/Video system, the security system, and the HVAC (Heating Ventilation and Air Conditioning).

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A virtual 8051 is interfaced with virtual peripherals such as a keypad, motor, display, UART, etc. The student can write 8051 assembly code, step through the code and observe the effects each line has on the internal memory and the external peripherals.

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The PICList is a collection of people interested in the Microchip PIC and other similar processors who have requested that email sent to the PICList email address be forwarded to them.

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VeeCAD takes a schematic generated netlist and assists you to build a layout – but on stripboard (Veroboard). The usual design tools are provided: netlist import, component footprint definition, component positioning, wiring and connectivity check.

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A technical library for the hobbyist and experimenter. – Charles Wenzel

TechLib – Electronic Experimenter Records

• World’s Smallest Geiger Counter
• Karen’s Mic.

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These are high tech jigs, fixtures and instrumentation/automation gizmos that bill built. Electrical gizmo builder for the UNLV Physics Dept.

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FPGAs are powerful programmable logic integrated circuits. FPGAs are wonderful devices to design digital logic with. You can design a circuit on your computer and have it running on your desk in minutes.

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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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“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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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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