Hobby Projects - Insulation tester, LED Circuits, Meters.
Showing posts with label Lamps-LED. Show all posts
Showing posts with label Lamps-LED. Show all posts

Wednesday, October 17, 2012

ThingM and BlinkM - Intelligent LED Lighting

Design and manufacture ubiquitous computing products that combine user experience design expertise with a deep knowledge of cutting-edge technologies. Here, networked electronics meet user experience design in products for everyday problem solving...

ThingM - Product and Interface Design
 
>BlinkM MaxM

BlinkM MaxM, is BlinkMs bigger, crazy sibling. It's an intensely-bright smart LED that comes as a package of two components, a control module (MaxM Master) and a daughter board with three ultrabright LEDs (MaxM Blaster).

Tod E. Kurt co-founder ThingM
 
Invisible Accent Light with BlinkM MaxM & FreeM

Invisible Accent Light with BlinkM MaxM & FreeM

"Sometimes you just want a little extra light in a room. With RGB LED tape, you can put light anywhere. But controlling its brightness and making it the color you want is a bit harder. A BlinkM MaxM can easily control LED tape, either as a stand-alone device, with an Arduino, or your computer via a LinkM."

Tuesday, August 16, 2011

Supercap and White LED and Energy Harvesters

This is a educative and simple example to help learn about supercaps and white LED. It will also help you understand component behavior. If you are learning electronics, try this one out.

The goldcap-Dynamo Lamp idea is a DIY Tutorial by Kainka on Electrical Energy Harvesting. What may be this EH Thing ?

http://www.b-kainka.de/bast482.jpg

Energy harvesting (also known as power harvesting or energy scavenging) is the process by which energy is derived from external sources (e.g., solar power, thermal energy, wind energy, salinity gradients, and kinetic energy), captured, and stored for small, wireless autonomous devices, like those used in wearable electronics and wireless sensor networks. - EH at Wikipedia
 
Then the Cycle Dynamo may not be the ideal choice for furthering this research. The reason being, this is quite a powerful source of energy, especially when going downhill!

We need a more fussy source of Electricity. Like the waves of the sea, that could splash onto Large plates of Springy Beryllium Copper Cantilevers, which moves an Array of Magnets in coils (Reverse of Solenoids). This gives Random Spurts of High Energy Pulses which have to be Harvested.

That is for you to dare and do ........ Now let me give some things you can read, before you start this epic Adventure...
Now Move ! There is so much Abundant Energy to be Harvested. You can Even Setup a Roadside Electric Trike Recharging Station.
Gomier Electric Tricycle
Gomier Electric Tricycle

We need more contests, An LED Lighting Contest and a Sponsored Elekrik Vehicle (Non-Car) Super-Contest.

Saturday, August 14, 2010

Torch or Flashlight Circuit Improvements

I fixed a China Torch with New LEDs and a Diode, it failed probably on a drop shock, the battery wire cut … then when put on charge Few LEDs went bad, as battery was absent in ckt.

The Success of the LED Lamp

Torch or Flashlight Circuit Improvements

design review - 1.5uF voltage rating can increase like 440V AC. A current source with low dropout voltage would be great but it builds the cost. The wiring has to be robust. A diode added to keep LED current within some limits on battery overcharge.

LED Lighting - The Future is Here

These type of Torches and Lanterns should not be Turned on when charging. This may blow the LED Array. As long as the LEDs have a constant current flowing through them they are safe. It could be anywhere between 10mA to nearly 25mA depending on the type. LED Arrays can be in parallel or series or a combination of both. The datasheet has to be studied for the high current types.

Never subject these LEDs to a Reverse Bias voltage that is very high. It means reverse polarity. Never allow the current to go so high that it overheats the device, reduces longevity or even damages instantly at high current. These devices survive short pulses of high current. Hence PWM is a way to protect devices and arrays too.

Friday, August 13, 2010

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.

Mains Powered China Emergency Bulb

Many products and components were made over the last 10 years with less regard to voltage and current ratings and product safety.

The circuit design is not everything, engineering the product for reliability, usability and safety is very important. This Schoodle is like a Satire to emphasize the responsibility of electronic manufacturing and engineering.

Friday, August 10, 2007

Pilom Electronics Web Presence

Bicycle Light Projects

Constructing or modifying a bicycle lighting system should be done carefully to enhance the lighting and not displace a minimum lighting that is needed for safety.In rural areas and mountain bikes more lighting may be needed.

Dynamo LED light electronics - A nice selection of electronic circuits to power LEDs from a bicycle dynamo

Battery LED light electronics - A basic step-up circuit to power an LED from a battery
  • Universal single-LED headlight
  • Universal triple-LED headlight
  • Universal LED taillight mechanical construction
High-power halogen headlight

High-power halogen headlight from standard parts, battery-operated
  • Lots of light for your money
  • All standard parts, easily completed in half a day