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Archive of entries posted on November 2009

Triode Electronics Store Online

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

AA764 Blackface Champ DIY Tube Amp Kit
Kit includes a turret board, High Quality Carbon Comp Resistors, and Sprague Orange Drop or Mallory 150 Series capacitors, our 5F2 champ power [...]

Amplimo – Toroidal Transformers Amplifiers

Amplimo – Toroidal Transformers Amplifiers
Amplimo has got a very large range of toroidal transformers available directly from stock. ALL our standard range transformers have been approved by KEMA and UL
Standard range have a 230V primary and two equal secondary windings. These windings can be used individually or can be used in series or in parallel.
Standard [...]

HyperPhysics – Electronics Basics

HyperPhysics – Electronics Basics
HyperPhysics is an exploration environment for concepts in physics which employs concept maps and other linking strategies to facilitate smooth navigation. For the most part, it is laid out in small segments or “cards”, true to its original development in HyperCard. The entire environment is interconnected with thousands of links, reminiscent of [...]

Electronics Club

Electronics Club Example Projects, Construction of Projects, Soldering Guide, Study Electronics, Electronic Components, 555 Timer, Circuit Symbols.

Example Projects
Construction of Projects
Soldering Guide
Study Electronics
Electronic Components
Circuit Symbols

John Hewes, Kelsey Park Sports College. (This is good place to start your electronics study, it has a practical and simple Approach – delabs)

LED brightness controler – Jaroslav Belza

LED brightness controler – Jaroslav Belza
White LED lantern powered from USB port. Jaroslav Belza
delabs Notes- R1 Limits the LED current when T1 is fully Turned on or saturated. P1 forms a Variable Potential Divider, The Turning of P1 Pot gives a 0 – 5 V Variable Voltage Proportional to the turning, if it is a [...]

8051 Macro Assembler ASEM-51

8051 Macro Assembler ASEM-51
In 1979 (!) Intel has introduced the 8051 as the first member of the MCS-51 family of microcontrollers. Today hundreds of cheap 8051 derivatives are available from dozens of manufacturers. This makes the MCS-51 architecture so interesting for professionals and hobbyists.
Intel had also defined an 8051 assembly language with bells and whistles [...]

555 The most Incredible Chip

555 Timer Chip Reference

LM555 – Timer
555 and 556 Timer Circuits
doctronics.co.uk – 555 Timer
555 Timer Calculator
555 Timer – Frequency and Duty Cycle Calculator
An LED Stroboscope
Astable 555 Square Wave Calculato
The 555 Monostable Circuit
Monostable 555 Timeout Calculator
NE555 Basic Monostable
555 IC is used to produce an ASTABLE circuit
Educypedia – Electronics -Digital Tiimers
555 and 556 Timer IC software Schematica
555 Timer/Oscillator [...]

Historical Electricity Teaching Instruments

Historical Electricity Teaching Instruments
“In February 1975, Deborah Jean Warner, a Curator of Physical Science at the National Museum of American History, called me to ask if Kenyon had any historical physics teaching apparatus. I looked around my office…….”

Electrical Measurements
Electric Motors
Electricity
Static Electricity

Thomas B. Greenslade, Jr. – Professor Emeritus of Physics – Kenyon College, Gambier, Ohio.

Category Engineering – Wikibooks

Category Engineering – Wikibooks
This category contains a number of subcategories, books, and pages related to engineering in general. Books can be found on the Engineering Bookshelf. Courses can be found at Wikiversity:School of Engineering. Subcategories include specific engineering disciplines, including Electrical Engineering, Computer Engineering, Mechanical Engineering, and Civil Engineering. Also, some books that are general [...]

Renewable Energy -Solar Electronics

Renewable Energy -Solar Electronics
“Wide range of up to date information about alternative energy generation. Our main focus is on wind power and solar power for the home, but you will also find details on topics as varied as electronics and biodiesel recipes.”

My Notes-
Here are very useful ideas on solar energy and frugal lighting techniques. Solar [...]

VE7BPO – Amateur Radio and Electronics

VE7BPO – Amateur Radio and Electronics

LEDs Page
How to Learn Hobby Electronics
VE7BPO has a way of presenting easy steps towards your Hobby Lab. It is Ham or Amateur Radio DIY Community that caused the outbreak of Electronic Hobbyist Activity the world over, long ago. Here the Two Transistor Astable Multivibrator for flashing LEDs, that got popular [...]

Almost All Digital Electronics

Almost All Digital Electronics

A site is dedicated to electronics hobbyists, engineers, and Radio Amateurs interested in circuit design, homebrew and kit projects.
Hobby kits, assembled units and software for electronics hobbyists, engineers and radio amateurs.
Digital Frequency Display, AADE Filter Design and Analysis, C75 Digital Frequency Display.
L/C Meter IIB
Hand-held, digital Inductor inductance meter Capacitor capacitance meter with [...]