Light Switch | Electronic Project Circuits

Posts Tagged ‘light switch’

Backup Lamp light fails by Vmos

There are a few situations when a power failure is particularly difficult to handle. Some of
these circumstances occur in the bathroom. This little circuit will pay for itself many times
over the first time it is used, especially if you are in the shower.

Read more original source: http://www.techlib.com/files/backup.pdf

Be the first to comment - What do you think? Posted by admin - June 25, 2008 at 10:33 am

Categories: Electronic Control, Lighting, Switching power supply Tags: light control, light switch, lighting senser

Light Actuated Switch KIT

Light Actuated Switch kit

This is small electronics kit Light Actuated Switch KIT.
It is automatically turn something on at night time and back off at dawn. A heavy duty relay provides NO and NC contacts rated at 5A at 24V. IC LM324 design delay circuit avoids cycling on/off at marginal thresholds. Wide range sensitivity adjustment matches any application.
Runs on 12VDC. Use our AC125 power supply for plug-in ease! Measures 2.6 x 2.0. From Velleman. Include the 110VAC Power Adapter. [...] Read more or BUY

Be the first to comment - What do you think? Posted by admin - June 20, 2008 at 9:02 pm

Categories: Lighting Tags: electronics kit, light switch, LM324 switch circuit, product electronics

Dark-Detecting LED

Here’s a simple problem: “How do you make an LED turn on when it gets dark?” You might call it the “nightlight problem,” but the same sort of question comes up in a lot of familiar situations– emergency lights, street lights, silly computer keyboard backlights, and the list goes on.

Source: http://www.evilmadscientist.com/article.php/nightlight
Thank you.