Lighting | Electronic Project Circuits

Posts Tagged ‘Lighting’

solar cell LED lamp with LDR photo cell and extra capacitor

Reverse engineered circuit diagram of one more commercially produced solar lamp. This one is very similar to the one above, but it is brighter and contains an extra capacitor.

Read more original source: http://members.shaw.ca/novotill/SolarGardenLight/index.htm

Be the first to comment - What do you think? Posted by admin - June 30, 2008 at 11:36 am

Categories: Battery charger, Lighting Tags: Lighting, lighting senser, nicad battery charger, solar cell charger

Magic Lamp

You have probably seen “magic lamp” circuits in which an ordinary incandescent bulb is lit by a match. These circuits rely on a hidden temperature or light sensor and are not particularly interesting. I decided to make a magic lamp, too! But, to make it more interesting, I decided to just use plain old magic for this circuit instead of resorting to any hidden components.

Magic Lamp

Original source: http://www.techlib.com/electronics/magic_lamp.htm

Be the first to comment - What do you think? Posted by admin - June 22, 2008 at 5:19 pm

Categories: Lighting Tags: lamp flasher, light control, Lighting

Infra Red Extender Mark 4

An Infra Red wired Repeater circuit to control appliances from a remote location.
The signal emitted by an IR remote control contains two parts, the control pulses and a modulated carrier wave. The control pulses are used to modulate the carrier, a popular modulation frequency being 36 and 42KHz. The signal is radiated by an IR diode, typical wavelengths in the 850 and 950 nm region of the electromagnetic spectrum. Although this light is invisible to the human eye, it can be seen as a bright spot with a camcorder or digital camera.