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Archive of posts filed under the Electrical category.

Mains Voltage Stabilizer Circuits

Mains Voltage Stabilizer Circuits These circuits were drawn for a person in Africa. See the thread here… stabilizer circuit. They were not tested by me, but are quite close to a practical design. Stabilizer Step up 230V AC 500VA This circuit is a design i did, not tested by me as yet. It can Stabilize [...]

Electric Plug with Switch – Innovation

I Invented a Switch Plug in my school days but venture capitalists were not invented yet. From Creations This idea struck me when i used to visit flea markets to collect gramophones and calling bells and some chemistry lab flasks and test-tubes too. Electronics had not come to me yet and not much in the [...]

Mains Powered China Emergency Bulb

A typical Mains Powered China Lamp. On power down, LED light turns on for around 1/2 hr. Gets damaged on lightning activity and wide (uS not nS) transients above 300V. Drawing may have error. From Schoodles

Mains Adapter 230V AC 50 Hz to Rectified DC

Mains Adapter Converts 230V AC 50 Hz to Rectified DC which replaces a Battery Pack. It was also called Battery Eliminator by older generations as it was used to save Battery Cost in AM Radios. A Doodle in a Schematic Diagarm or a Circuit with Doodles is known as Schoodle. Here are some Drawings of [...]

Ni-Cd and Li-ion Battery charger Generic

This is a Generic charger that is made by many brands, the circuit is an approximation of all. Some improvements suggested. Some brands in europe and usa also use this circuit. This works well, but may not be in the best interest of battery life. The cost of the charger needs to be low. So [...]

One Watt Mains LED Lamp or Tubelight

Lots if Light on One Watt, yes this works, but should be built by those experienced in High Voltage usage and Knowledge of insulation techniques. This has to be encapsulated in a insulated fire retardant plastic enclosure. You can change the values around what is indicated to experiment with types of White LED available. This [...]

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 [...]

Increase the Range of Your LED Flashlight

Increase the Range of Your LED Flashlight LED flashlights are great technology. You can learn more about LED flashlights on several websites, for example The LED Museum, the Candle Power Forums and FlashlightReviews.com. – Andrew B. Davidson LED Flashlight Circuits Make a Joule thief LED Lantern – Series Connected Voltage Boost Don’s LED Page – [...]

Strippenstrolch – Elektronikbasteln

Strippenstrolch – Elektronikbasteln “Strippenstrolch” is thus a pitch name for “electricians”. “In Germany one finds this designation now and then for an electrician on the work. Particularly in the winter, if it is still dark in the morning, one often sees “Strippenstrolche” with its building lamp on the building site:”

Kilowatt Classroom Electrical Training

Kilowatt Classroom Electrical Training The Industrial Electricians Notebook – Free online electrical books selection that features interesting and timely subjects: electrical theory, electrical reference information, electrical equipment and maintenance data, industrial electronics, and electrical safety regulations. If you like, you can download, print, and assemble your own electrical book. Electrical Books Free On-Line Electrical Books [...]

Electrician Tool – Continuity Tester

I had gone to buy some long wires at a electrician shop, when a terminal box had to be tested, he used a continuity tester. When i used to buy electrical parts in the past, they used a tester box, made of wood. This had a bulb and a tubelight starter and two long wires [...]

the12volt.com – Automobile Electronics – Car Audio

the12volt.com – Automobile Electronics – Car Audio This is an on going project to provide mobile electronics installers and enthusiasts with a free on line resource for technical information as well as tips and tricks of the trade. Car Diagrams Ohm’s Law