This simple White LED lamp is useful in Kid’s study room to get light when power fails. It avoids the Panic situation of sudden darkness and the Kid can go out easily. It turns on immediately when the room light turns off. It is too small, Matchbox size and is Battery operated. It remains off during daytime if there is day light in the room.
Continue reading “Kid’s Lamp. Simple Design 17”
This is the simplest type of a Night lamp that gives ample light in a confined area. It is a White LED lamp directly powered by 230 Volt AC. It uses only four components and can be enclosed in a three pin plug that can be plugged into the socket. It also functions as Power on Indicator, Cupboard light, Baby’s bed lamp etc. Its cost is just Rs.20 and power consumption is very low.
Continue reading “AC Powered LED. Design Note 47”
This simple White LED lamp can be used in areas where little light is needed. It uses a High bright white LED and its brightness depends on the ambient light in the room. In dark, it give maximum light and in light it switches off. If the light intensity is low, it gives moderate light.
Continue reading “Varying brightness LED Lamp.Sensor Circuit 11”
This simple 1 watt LED lamp can give light equal to 11 watt CFL. It is directly powered from AC using capacitor power supply. The light from this 30 LED lamp can very well illuminate the room and is suitable for reading purpose also.
Follow me @ http://www.engineersgarage.com/experts/d.mohankumar
Continue reading “Extra Bright LED Lamp”
You can switch on this short duration White LED Lamp using the TV remote. The lamp turns off automatically after 3 minutes. It gives sufficient light in the room if you want to locate the remote buttons.
Continue reading “IR Triggered White LED Lamp”
Here is an automatic Ornamental LED lamp for decoration purpose. It automatically switches on in the evening and turns off in the morning. Each string of LED flashes at different rates giving a colorful appearance.
Continue reading “Random Flashing LED”
This is my latest circuit published in EFY Sept 2011 issue. It is a simple White LED Lamp that automatically turns on in the evening and stays on till morning. It uses the recently evolved SMD Strip LED Chips.
STRIP LED LAMP Click to see