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PHOTOELECTRIC LIGHT CONTROL entries in Index to How To Do It Information
Norman Lathrop Enterprises  
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Detailed entries for one subject from the INDEX TO HOW TO DO IT INFORMATION.
Click on a see also (sa) or tracing (xx) to view detailed entries about a related subject.
The entries are in alphabetical order by magazine name and then in chronological sequence.
To obtain a copy of any magazine article contact your local public library or the publisher.

PHOTOELECTRIC LIGHT CONTROL
xx   ELECTRIC POWER CONTROLLER
xx   PHOTOELECTRIC DEVICE
xx   SWITCH -- ELECTRONIC

Photoelectric outdoor light controller circuit snaps the light on or off (without flickering) depending on whether ambient light levels are rising or falling.
ELECTRONICS EXPERIMENTERS HANDBOOK 1989 pg. 157

Light dimmer gradually changes a lamp's brightness (up or down) at sunrise or sunset. Handles up to 1000 watts load.
ELECTRONICS ILLUSTRATED Mar 1972 (v.15#2) pg. 58

Modify a photoelectric switch to introduce hysteresis to prevent oscillation that may cause the switch not to function properly.
ELECTRONICS NOW Jul 1995 (v.66#7) pg. 10

Automatic light switch turns a light on or off according to the general room illumination.
ELEMENTARY ELECTRONICS May-Jun 1970 (v.10#2) pg. 54

Robotic, photoelectric light switch will automatically turn a light on as you enter a room and turn it off as you leave.
HANDS-ON ELECTRONICS Nov-Dec 1985 (v.2#6) pg. 60

Schematic diagram for an automatic switch to turn on outside yard lights when dusk falls. Handles up to 2000W total load.
HANDS-ON ELECTRONICS Jan 1987 (v.4#1) pg. 110

Automatic-light circuit turns a single 110-volt lamp on when a room becomes dark (sunset) and off again at sunrise.
HANDS-ON ELECTRONICS Jan 1989 (v.6#1) pg. 26

Cadmium sulfide light control turns lights on at dusk and off at dawn.
MECHANIX ILLUSTRATED #460 Sep 1966 (v.62) pg. 98

Automatic low wattage night lighter turns lamp on at dark and off at dawn.
POPULAR ELECTRONICS [1] Aug 1964 (v.21#2) pg. 57

Photocells turn lamp on and off and regulate intensity to maintain even illumination.
POPULAR ELECTRONICS [1] Jan 1965 (v.22#1) pg. 67

Photoelectric controller turns light on at dusk and off at dawn.
POPULAR ELECTRONICS [1] Sep 1965 (v.23#3) pg. 73

Photocell circuit turns a lamp on at dusk, off at dawn.
POPULAR ELECTRONICS [1] Feb 1970 (v.32#2) pg. 105

Headlight-operated garage door or light switch. Simple circuit is powered by 9-volt battery. Trips relay to operate door or light. Sensitivity can be adjusted.
POPULAR ELECTRONICS [1] Mar 1973 (v.3#3) pg. 33

Circuit to turn up to 1000-watts of power on at dusk and off at dawn.
POPULAR ELECTRONICS [1] Aug 1975 (v.8#2) pg. 85

Dark sensor circuit, controlled by a light-dependant resistor, is used to turn on a light.
POPULAR ELECTRONICS [2] Feb 1989 (v.6#2) pg. 27

Night-light control "locks down" the relay for a period of time after first activation. This prevents the annoying switching on-and-off that occurs during the transition periods from light-to-dark or dark-to-light with some other photoelectric controls.
POPULAR ELECTRONICS [2] Jul 1989 (v.6#7) pg. 65

Outdoor light-sensitive light controller circuit is designed to be connected in series with the 117 VAC lamp to be controlled.
POPULAR ELECTRONICS [2] Sep 1989 (v.6#9) pg. 25

Simple phototransistor/relay circuit turns a 117-VAC outdoor lamp on at dusk and off at dawn.
POPULAR ELECTRONICS [2] Oct 1989 (v.6#10) pg. 22

Photoelectric lamp control circuit allows an outdoor garage light to come on only when it is dark AND the automatic garage-door operator has been activated.
POPULAR ELECTRONICS [2] Nov 1989 (v.6#11) pg. 24

Night-light circuit is a light-dependent switch circuit that's used to trigger a relay, which in turn feeds AC power to a lamp.
POPULAR ELECTRONICS [2] Feb 1990 (v.7#2) pg. 100

Lights-on sensor sounds an audible alarm whenever outside lights controlled by heat/motion sensors are turned on.
POPULAR ELECTRONICS [2] Aug 1990 (v.7#8) pg. 25

Outdoor light control circuit features adjustable threshold and hysteresis to prevent erratic switching. Used to control any AC-operated device.
POPULAR ELECTRONICS [2] Sep 1990 (v.7#9) pg. 26

A mixed collection of practical 555-timer IC application circuits. (1) Schmitt-trigger converts sinewaves into squarewaves. (2) Dark-activated relay switch can control lighting. (3) Code-practice oscillator. (4) Electronic door buzzer. (5) LED flasher. (6) Long-period timers.
POPULAR ELECTRONICS [2] Jun 1993 (v.10#6) pg. 62

Circuit for a light-activated switch that will make your outdoor lights switch on and off automatically with the setting and rising of the sun.
POPULAR ELECTRONICS [2] Oct 1996 (v.13#10) pg. 64

Four circuits to turn on an AC device by touch, IR light, and/or pushbutton. One version allows remote shutoff using a flashlight.
POPULAR ELECTRONICS [2] Oct 1996 (v.13#10) pg. 65

Switch circuit to automatically turn on an inside light when the outside light level drops below a pre-set limit.
POPULAR ELECTRONICS [2] Mar 1998 (v.15#3) pg. 28

Automatic garage light control. This light-activated control senses your automobile lights approaching a garage and turns on desired house lights. After a period of time, it flashes the house lights under its control and then slowly dims them down and turns them off.
POPULAR SCIENCE Jul 1973 (v.203#1) pg. 110

Automatic light controller for carport or garage turns on the overhead lights whenever the automobile headlights strike the sensor. The lights turn off automatically after two minutes.
RADIO-ELECTRONICS Nov 1980 (v.51#11) pg. 80

Outdoor light controller snaps the light on or off depending on whether ambient light levels are rising or falling.
RADIO-ELECTRONICS Oct 1987 (v.58#10) pg. 104