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3V Lamp Brightness Controller circuit diagram – Circuit Schematic
3V Lamp Brightness Controller circuit diagram
Here`s a circuit diagram for setting the brightness of the light bulb. You simply use the second battery to make the fruits of this circuit works. Example usage...
220V LED Flasher circuit diagram – Circuit Schematic
220V LED Flasher circuit diagram
This is a 220V LED flasher circuit which is intended as a reliable replacement to thermally-activated switches used for Christmas tree lamp-flashing. This a che...
220V AC Powered White Led Lamp – Circuit Schematic
220V AC Powered White Led Lamp
It can give ample light even for reading purpose. Capacitor CX along with diodes D1 through D4 forms the AC step down circuit. CX reduces high voltage AC from m...
12V Halogen Dimmer – Circuit Schematic
12V Halogen Dimmer
I use a 12V 20W halogen lamp (MR16) and a 4. 2Ah SLA battery for my bike light system. The battery has only limited life at this power rating, so I designed thi...
12V DC Fluorescent Lamp Circuit – Circuit Schematic
12V DC Fluorescent Lamp Circuit
In this article I will offer driver circuit for 12 V/5Watt fluorescent lamp, this circuit used a normal 220 to 10V stepdown transformer in reverse to step 12V....
10 led VU Meter using LM3915 – Circuit Schematic
10 led VU Meter using LM3915
Circuit diagram is a very simple circuit-level indication, with 10 Led. Used a series of half-wave rectification of precision around IC2 TL071, with a single. L...
1.5V LED FLasher Using 3 Transistors – Circuit Schematic
1.5V LED FLasher Using 3 Transistors
LED flasher circuit here will flash a LED using only 1.5 volts ?supply voltage. Normally, to make any LED lamp works, you need more than 2 volts power supply...
Sound-Activated Lamp (Relay/Switch) – Circuit Schematic
Sound-Activated Lamp (Relay/Switch)
This simple circuit shown int the schematic diagram actives the switch using sound. We can use this circuit for various applications, such as automatic (sound-c...
Ring-Around LED Flasher – Circuit Schematic
Ring-Around LED Flasher
This schematic diagram shows a ring-around LED flasher circuit. This circuit will turn off two LEDs and turn on the other two until the timing cycle reverses...
20 & 30 Segment LED Voltmeters – Circuit Schematic
20 & 30 Segment LED Voltmeters
So you could easily set it for 20 or even 200 Volts Full Scale, Using a Suitable Potentiometer on the Input. DO NOT EXCEED 30 VOLTS to PIN 5 of the LM3914`s. Th...
LED CHASER Sequencer – Circuit Schematic
LED CHASER Sequencer
All LED`s Negatives are a connection to the "COM" pad, than through a 220 Ohm resistor to Ground. No Need for other "current limiting" resistors, even with supp...
Sound Reactive EL Panel Dimmer – Circuit Schematic
Sound Reactive EL Panel Dimmer
Let me tell you a tale. 8 months and 18 days ago, on March 25, I was sent an email requesting a commissioned piece of electronic clothing similar to my DJ jacke...
How Do LED light bulbs works on Mobile Phone Circuit – Circuit Schematic
How Do LED light bulbs works on Mobile Phone Circuit
An LED - light emitting diode is used to illuminate keypads keys and LCD screen displays on all mobile phones handsets. It is being controlled by a voltage or c...
White Light – Circuit Schematic
White Light
White Light is an interactive sound and light installation. It is part sculpture, part musical instrument and part social exercise. White Light invites viewers ...
LAMP ELECTRICAL CIRCUIT DIAGRAM – Circuit Schematic
LAMP ELECTRICAL CIRCUIT DIAGRAM
Lamp Electrical Circuit Diagram Manual PDF Download....
Varying bulb luminosity using ATMEGA16 – Circuit Schematic
Varying bulb luminosity using ATMEGA16
We know that on the market there are plenty of devices that replace normal wall switches and let you adjust the luminosity of a bulb. But if you want to make an...
Joule Thief for CFL – Circuit Schematic
Joule Thief for CFL
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Night light Wake up Alarm Combo circuit – Circuit Schematic
Night light Wake up Alarm Combo circuit
We chose to build a nightlight combined with a wake-up alarm. Our nightlight features not one, not two, not three, not four, not five, but SIX ” yes, SIX! ”...
Scrolling text in LED dotmatrix display – Circuit Schematic
Scrolling text in LED dotmatrix display
Multiplexed displays are electronic displays where the entire display is not driven at one time. Instead, sub-units of the display (typically, rows or columns f...
Drive an RGB led with software PWM – Circuit Schematic
Drive an RGB led with software PWM
This project illustrates how to use an ATTiny microcontroller and an RGB LED to create a coloured light that cyles continuously through random colours, but chan...