µC implements Pushbutton Light Dimmers: 06/18/98 EDN-Design
Ideas |
0 to 10 Volt Analog Control Protocol: |
0 to 10 Volt Analog Control Protocol: |
1.5 Volt LED Flashers: four circuits with description
|
10 Channel Follower for Austin Hotel: |
10 Channel LED Sequencer: based on4017 |
10 Stage Light Sequencer: flashes10 low voltage bulbs,
operates at10-25-Volt voltage, in PDF format, text in Finnish
|
12 Stage Neon Sequencer (NE 2 / NE 51): uses small power
70-Volt neon bulbs |
12 Volt Color organ and Reverb unit: |
12 Volt DC Fluorescent Lamp Driver: This fluorescent lamp
driver uses a normal120 to 6V step-down transformer in reverse
to step12V to about350-Volt to drive a lamp without the need to
warm the filaments. |
12 Volt Lamp Dimmer: dimming d1-by controlling the duty
cycle of a astable555 Timer oscillator |
12 Volt or 24 Volt DC Pulse Width Modulator: This circuit
can be used as a light dimmer or DC motor speed controller.
|
12 Volt Strobe Circuit: this circuit uses12V DC instead od
mains AC. This is very good idea if you dont want to mess with
direct mains voltage connected circuit or you want to run the
stroboscope from batteries. |
120 VAC Lamp Chaser Using Solid State Relays:
|
120 Volt AC Lamp Chaser using Solid State Relays: This
circuit is similar to the LED clock using12 neon indicator lamps
instead of LEDs. It operates from2 high capacity ni-cad cells
(2.5 volts) which keep it going for a couple weeks. High voltage
(70 volts) for the neon lamps is obtained from a small switching
power supply using a 74HC14 Schmitt trigger Squarewave
oscillator, high voltage switching transistor, and10 mH high Q
inductor. Most any small PNP transistors can be used that have a
C/E voltage rating of 80 or more. |
120 Volt AC Lamp Dimmer (full Wave SCR):
|
16 Stage BiDirectional LED Sequencer: |
2 Transistor LED Flasher #2: |
2 Wire DC Lamp Dimmer Replaces Rheostats: 10/23/97 EDN-Design
Ideas / Low-cost DC lamp dimmer that can control more than100W
of incandescent panel lighting from12V DC, originally designed
for use in commercial trucks |
220 Volt Flashing Lights: Especially designed for Christmas
tree lamps to replace old thermally-activated switches
|
3rd Brake Light Pulser: |
4 Channel Dimmer Rack: |
40 Watt Fluorescent Lamp Inverter: This40W fluorescent lamp
inverter allows you to run40W fluorescent tubes from any12V
source capable of delivering3A. |
8 Bit Digital Firing Circuit: |
8 Bit Digital Light Intensity Controller:
|
Adjustable Strobe Light: 120-Volt mains power source, up
to20 Hz flash rate |
Advance Power System Experimenters Kit: runs low voltage
bulbs from mains using dimmer like method for reducing the
voltage |
All Digital Circuit Fires TrIAC: 07/21/94 EDN-Design Ideas /
This digital circuit allows a µP to control ac power precisely
without using any digital-to-analog circuitry |
Analog Encoding: This schematic is a example of a analog
board with0 -10 volt output. |
Audio Trigger Circuit for Lamp Chasers: works with almost
any light sequencer circuit with clock input, better working
beat sync than in many commercial light controllers
|
Audio Trigger Circuit for Light Chasers:
|
Auto Trigger Circuit for Light Chasers: |
Automated Crib Lights: |
Automatic Control Starts Loads Softly: 10/13/94 EDN-Design
Ideas |
Automatic Headlight Brightness Switch: |
Basic Infrared Light Train Detection:
|
Basic Incandescent Light Dimmer Circuits:
|
Bass Beat Extractor: an automatic gain control circuit
followed by a low pass filter, converts the beat into a sharp
pulse suitable for triggering the strobe or chaser
|
Battery Powered Night Lamp: Ultra-Low current drawing1.5
Volt battery supply |
Beat Tracking Strobe: project description using AT90S8515
microcontroller and some electronics |
Bedside Lamp timer: |
Bells Ring Generator: 3-Circuit options Can be synchronized
to Christmas tree flashing lights |
Bicycle Back Safety Light: Flashing13 LED unit,3V supply
Also suitable for jogger/walkers |
Bicycle Safety Lights: |
Bike Lights Mk IV: Bike lights built using12V20W12 degree
spread halogen globes. |
Black Light: |
Block Occupancy Detector Helper: |
Christmas Star: |
Circuit uses Simple LED for Near IR Light: 09/01/98 EDN-Design
Ideas |
CMOS Gate implements Reverse Phase Control: 05/21/98 EDN-Design
Ideas |
Color Organ #1: make different colored bulbs light at
different frequencies of music, connects to speaker outputs
|
Color Organ #2: one lamp color organ |
Color Organ #3: makes3 lights to blink and flash to music
|
Constant Current White LED Flashlight: |
Constant Directional Lighting #1: |
Constant Directional Lighting #2: |
Constant Directional Lighting #3: |
Controller Provides Multimode Phase Control: 12/12/97 EDN-Design
Ideas / 16C508 multichip controller, you can implement a phase
controller that provides a two-key, indexed processor for ac
power |
Courtesy Lamp: 15 seconds delayed switch-off for220-Volt AC
lamp, a good idea for bedroom lamps |
Coutesy Lamp: |
Dancing LEDs: A LED sequencer, following the rhythm of
music or speech 9 Volt Battery-operated portable unit
|
Dark / Light Activated Relay: |
Dark Activated Switch or Porch Light Switch:
|
Darkness monitor : |
Day and Night Infrared Detection: |
Dimmer Circuit for Normal Light Bulbs: |
Dimmer Switch: This dimmer switch is suitable for230-Volt
incandescent lamps with a total power of up to300-Watts. The
circuit is wired in series with the lamp so it can directly
replace the wall switch. |
Disco Light Controller: |
Disco Lights:
software and hardware for controlling disco lights from your PC
|
Disco Style Strobe Light: |
Disco Style Strobe Light: low power, works on110VAC
|
Disco VU Lights: |
DMX Lighting and Special Effects: |
Dome Lamp Dimmer: Efficiently dim the cars dome or map light
(low voltage light), PDF file |
Dome Light Dimmer for Cars: Usually when the car door is
closed, the dome light just goes OFF. With this circuit, you can
have our dome light fade slowly in brightness and finally go
OFF. |
Dome Light Dimmer using Mic4680 Switching Regulator: simple
circuit which outputs +5-Volt |
Dome
Light Dwell Extender / Dimmer : allows you to dim your dome
light and keeps the dome light of your automobile on after you
close the door |
Dual Alternating Flashing Light: |
Dual MonoStable Drives Quasiresonant Inverter: 02/17/97 EDN-Design
Ideas / Circuit to power a fluorescent lamp from12V
|
Dual Tandem Flashing Light: |
Dual Tandem Flashing Light: A dual tandem flashing light
circuit |
el Cheapo Lightning Effect: Plans to simple floodlight using
an office rubbish bin made of metal and a "photoflood" bulb.
|
Electric Power Controller: suitable as dimmer for100-Volt
lamp up to1200W |
Electronic Ballasts using the Cost Saving IR215X:
application note AN-995 from International Rectifier
|
Electronic Candle V2: |
Electronic Candle: |
Electronic Fluorescent Lamp Ballast: International Rectifier
application note in PDF format |
Electronic Light Intensity Control to Simulate Dusk & Dawn
Conditions: Simulation of sunrise and sunset light
conditions is achieved with an electronic light intensity
control using DC- or AC-powered incandescent lamps. The duration
of the sunrise and sunset is easily adjusted and the photoperiod
is controlled with a standard24-h Timer. |
Electronic Night Light: |
Electronic Transformer Dims halogen Lamp: 05/11/00 EDN-Design
Ideas / (jkj0 Switched-mode power supply for a halogen
lamp, commonly known as an electronic transformer, is a clever
and simple device which can be enhanced with dimming control
|
Emergency Backup Lamp: |
Emergency Light & Alarm: Powered by2-AA NI-CD batteries Four
switchable options |
Emergency Strobe Flasher Generates 250V: 08/05/99 EDN-Design
Ideas / PDF contains multiple circuits - scroll to find
this circuit.
|
Experimental Cross Fader: ideas to modify simple rotary
light dimmers to make a cross-fader |
Fading LEDs: 2-strips of LEDs fading in a complementary
manner 9 Volt Battery-operated portable unit
|
Fading Red Eyes: can be used to slowly illuminate and fade a
pair of red LEDs |
Flashing Beacon: |
Flashing High Intensity LED 3rd Brake Light: This circuit to
make a flashing3rd brake light assembly was designed to be easy
to locate all the needed components and reasonably in expensive
to build. |
Flashing Light Circuit #1: |
Flashing Light Circuit #2: |
Flashing Light Circuit #3: |
Flashing lights: for a roadwork warning and a train shop
sign. |
Flashing Neon Christmas Lights: |
Flashing Neons (NE 2 / NE 51): one, two or3-neon indicator
bulbs can be made to flash in sequence |
Flashing Neons (NE 51 / NE 2): |
Flickering Fire Effect: This simple circuit uses four
low-Wattage colored bulbs and four fluorescent lamp starters to
make nice flickering flame effect. |
Fluorescent Ballast: Design uses Passive PFC and Crest
Factor Control. Also available in PDF format |
Fluorescent Desk Lamp: This circuit will power a 6
inch4-Watt fluorescent tube off a12 volt supply, consuming300 mA.
It may also be powered by a suitably rated universal AC/DC
adapter. |
Fluorescent Lamps, Ballasts, & Fixtures:
|
Fluorescent Light Dimmer: |
Four Channel Dimmer Rack: |
Garden Light Switch: |
Hacking the Kodak Max Single Flash Camera Into a Self Repeating
Strobe: this approach is recommended mainly for homebrewing
a strobe that is powered by a single1.5 volt battery. If you can
use a higher supply voltage, there are better ways to do this. |
Half Bridge Inverter has Variable Frequency: 10/09/97 EDN-Design
Ideas |
Hand Clap Lamp Control : |
High Efficiency Halogen Bike Light Dimmer: This circuit uses
a PIC16F84 microcontroller with some software to
control20-Watt12V DC halogen lamp |
HighEfficiency Inverter Drives Compact Fluorescent :
08/19/02 Electronic Design - Ideas for Design / The inverter
circuit shown is designed to drive a 7-W, four-pin compact
fluorescent lamp (CFL) from a 12-V dc power supply. The main
features of this inverter circuit include direct-drive
capability, preheat for improved startup, high efficiency,
and... |
IC Controlled Emergency Light With Charger: |
Idea for a Low Voltage Light Dimmer: A light dimmer is a
means of controlling the "brightness" level of a lamp, in this
application we will use a555 Timer to control the brightness
level of a low voltage incandescent bulb of up to 60-Watts. For
the light dimmer to work the555 Timer is configured as a
"variable cycle", astable oscillator running some where
around300 Hz. |
Lamp Dimmer #1: |
Lamp Flasher / Dimmer: |
Lamp Switch Delay: |
Lantern Flasher / Dimmer #1: |
Lantern Flasher / Dimmer #2: Add this circuit to an existing
lantern or and your batteries will last much longer, PDF file
|
Laser Pointer Train Detector: |
LED dimmer uses only two lines: 03/21/2002 EDN - Design
Ideas / The circuit in Figure 1provides 32 steps of brightness
control-from 0 to 100%-for a backlight or instrument panel,
using just two general-purpose-microprocessor signals. In
addition, the circuit requires little board space, because it
uses only three SOT-23s and one Max package. . |
LED Headlamps : This article includes circuits of DC-DC LED
drivers (click PICs for bigger ones) step downs to run LEDs on
less than Battery Volts, Boost for above. |
LED Lamp Dimmer: |
LED Mood Light: |
LED Pilot Light (AC or DC): LED current is constant between
6 and 8 mA at5 to30Vdc |
LED7 Solar Tracker: |
Light / Dark Detector: |
Light a white LED from half a cell: 06/12/03 EDN-Design
Ideas / Whether you use them as indicators or to provide
illumination, LEDs are hard to beat in efficiency, reliability,
and cost. White LEDs are rapidly gaining popularity as sources
of illumination, as in LCD backlights, but with forward voltages
typically ranging from 3 to 5V, operating them from a single
cell presents obvious difficulties... |
Light Bulb Voltage Regulator : |
Light Chaser: |
Light Controlled Switch #1: switch that will be activated by
light falling on a sensor |
Light Controlled Switch #2: output a control signal suitable
for relay depending on the light level |
Light Dimmer #1: dims220-Volt light |
Light Dimmer Circuit With 0 to 10 Volt Input: This is a
simple dimmer circuit that can be controlled with0 -10 VDC. It
is designed for110-Volt AC. |
Light Operated Switch: Originally published in Everyday
Practical Electronics, December1995 |
Light Organ for Car: flashes3 low voltage lights, operates
at10-25-Volt voltage, in PDF format, text in Finnish
|
Light Processor 434 Piano Touch Panel: circuit diagram in
PDF format, check also power supply circuit diagram |
Light Sequenced Candelabra: |
Light timer: |
LIGHT/DARK ACTIVATED RELAY: This is actually two circuits a
light activated relay being the first and a dark activated relay
being the second, once again all components and values are
displayed in the gif image. |
Lighting System: how to inexpensive, portable lighting
system that add a great deal of ambiance to the music
performance, includes simple controller circuit
|
Linear Constant Current LED Lamp Dimmer: This circuits
drives24 white light LEDs with an adjustable constant current. |
Low Cost Converter Drives Fluorescent Tubes: 03/31/94 EDN-Design
Ideas |
Low Cost Fluorescent Lighting System: lighting system
suitable for videography |
Low Voltage Light Dimmer: A light dimmer is a means of
controlling the "brightness" level of a lamp, in this
application we will use a555 Timer to control the brightness
level of a low voltage incandescent bulb of up to 60-Watts. For
the light dimmer to work the555 Timer is configured as a
"variable cycle", astable oscillator running some where
around300 Hz. |
LX 800 Lighting System: |
Magic Lamp: Old idea, newtwist. |
Microcontroller MultiChannel Light Dimmer: The project is a
microprocessor-controlled multiple channel lighting dimmer, that
could be used in theatrical and other applications. The device
will accept input from a wide range of interfaces: RS232 input,
DMX512 (theatrical lighting standard) or RS485, or a Musical
Instrument Digital Interface (MIDI). The device will control a
number of lamps by using some form of AC power control. The
firmware in the microcontroller will handle all functions, from
decoding the protocol on either of the input interfaces through
to Timing the firing of power triacs for the output.
|
MIDI Controlled Switches: can drive up to128 individual
relays, solenoids, motors, etc. with a MIDI note-on and note-off
messages |
Mini Pocket Strobe Circuit: works from two1.5-Volt AA
batteries, based on modified camera flash unit
|
Mini Strobe Light using LED : adjustable for flash rates
between40 Hz and166 Hz, based on555 Timer |
Mini Stroboscope: low power stroboscope that operates
from220-Volt AC |
Miniature Strobe Light: |
Modulator 220 Volts: simple1-channel light organ for220-Volt
AC |
Motorcycle turn Signal System: |
Multimedia Electronic Crib: microcontroller based light
controller which generates sequence of day-night with light
fading, optional serial control interface, based on 87C51
|
Neon Desk Lamp: |
Neon Dimmer: idea how to dim neon lights |
Neon Lamp Dimmer: |
Nocturnal Animals Whisker: A low-rate flashing lamp drives
away undesired visitors Automatic on-off operation
|
PC Based Lighting Control: short pointer to each of the
available commercial PC based lighting console systems |
PC Controls Light Dimmer: 08/19/99 EDN-Design Ideas /
Circuit design idea from EDN Magazine to control one light
dimming from PC |
PC Parallel Port Output Capabilities: includes instructions
how to connect a relay to PC parallel port |
PIC 16C63 Midi Controlled Light Dimmer: four channel dimmer
controllable using MIDI interface, operates at110-Volt AC,
design can be modified to use standard baud rates, and the
RS-232 Electrical interface |
PIC Micro LED Projects: |
PIC12C508 Night Light Saver: |
PIC16F84 LED Chaser: |
PIC16F873 Light Controller: |
Picxie 2 8x8
Animated LED Signboard: |
Powering Fluorescent Lamps From Low Voltage DC!: inverter
circuits |
Preheat Starter for Electronic Ballast: 10/04/01 EDN-Design
Ideas / PDF contains multiple circuits - scroll to find the one
of interest / Electronic ballasts for fluorescent lamps use
% |