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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.


The flicker box. Produce candle-like effects with ordinary incandescent bulbs. Est. cost: $25.
COMPUTERS & ELECTRONICS Dec 1982 (v.20#12) pg. 64

Five flasher circuits include a basic circuit, a high voltage circuit, an external load flasher, a digital logic flasher, and a variable rate flasher. All use the LM3909 IC oscillator.
CQ. THE RADIO AMATEUR'S JOURNAL Mar 1979 (v.35#3) pg. 41

Sequential flasher circuit for up to 10 light bulbs produces the running dark spot optical illusion.

Turn an ordinary household light bulb into one that shimmers or blinks. Works on any 120-volt lamp up to 200 watts. Est. cost: $5 (kit).

Circuit creates realistic traffic light sequencing.
ELECTRONICS NOW May 1994 (v.65#5) pg. 12
Correction ELECTRONICS NOW Aug 1994 (v.65#8) pg. 13

Potpourri of circuits utilizing bipolar junction transistors. Circuits to amplify signals, filter high and low frequencies, generate white noise, flash lamps, etc.
ELECTRONICS NOW May 1994 (v.65#5) pg. 63

Very reliable circuit will alternately flash two 12-volt DC light bulbs. Each bulb can draw up to 4 amps.
ELECTRONICS NOW Dec 1998 (v.69#12) pg. 8

Basic semiconductor circuits for incandescent light displays, warning lights, traffic lights, illuminated advertising signs, etc. Part 1. Solid-state flashers for light displays.
ELECTRONICS WORLD Aug 1967 (v.78#2) pg. 83

Basic semiconductor circuits for incandescent light displays, warning lights, traffic lights, illuminated advertising signs, etc. Part 2. Solid-state ring counters and chasers for light displays.
ELECTRONICS WORLD Sep 1967 (v.78#3) pg. 84

Lamp flashing circuit can handle up to 300 watts. The on-off ratio of the flasher and the relative length of the subsequent "on" timer can be varied. Uses only solid state components.
ELEMENTARY ELECTRONICS May-Jun 1976 (v.16#3) pg. 77

Electronic light flasher. Use this circuit to flash your porch light, yard light, or illuminated house numbers as an aid for guests trying to locate your home at night.
HANDS-ON ELECTRONICS Fall 1984 (v.2#2) pg. 61

Controlled light flasher circuit
HANDS-ON ELECTRONICS Jan 1987 (v.4#1) pg. 30

Illumination intensifier circuit for LED's. Replace an LED in any flasher circuit with a 100- to 200-watt lamp.
HANDS-ON ELECTRONICS Mar 1987 (v.4#3) pg. 97

Experimenting with the power MOSFET (MOS field-effect transistors). Includes circuits for a simple audio amplifier, linear lamp dimmer, pulse-driven light dimmer, lamp flasher, and timer circuits.
MODERN ELECTRONICS [2] Aug 1986 (v.3#8) pg. 64

Alternate (dual) flashing lamps project describes both the basic LED-only circuit and the optional high-power incandescent-lamp system (for use as a nighttime safety/hazard-warning device).
MODERN ELECTRONICS [2] May 1988 (v.5#5) pg. 50

Solid-state lamp flasher will alternately flash two 117-volt light bulbs with ratings up to 200 watts each. Est. cost: $12.
POPULAR ELECTRONICS [1] Feb 1969 (v.30#2) pg. 51

Circular or straight fluorescent light can be flashed on or off one or more times per second with this circuit. Can also be flashed in time with music. Est. cost: $35.
POPULAR ELECTRONICS [1] Aug 1969 (v.31#2) pg. 68
Correction POPULAR ELECTRONICS [1] Oct 1969 (v.31#4) pg. 12

Sequential lamp control circuit can be used in an auto turn signal, moving-light advertising displays, warning systems, etc.
POPULAR ELECTRONICS [1] Aug 1970 (v.33#2) pg. 82

Solid-state circuit for flashing up to three strings of lamps is built around 556 type IC's. Circuit uses three simple opto-couplers to control three medium power Triacs which serve to switch the lamp loads.
POPULAR ELECTRONICS [1] Jan 1978 (v.13#1) pg. 64

Circuit for a 120-volt lamp flasher which flashes once per second.
POPULAR ELECTRONICS [1] Sep 1980 (v.18#3) pg. 121

Build a headlight modulator for cycle safety. Causes the headlight of a motorcycle or bicycle to alternately flash high-and-low to improve visability. Est. cost: $10.
POPULAR ELECTRONICS [1] Jun 1981 (v.19#6) pg. 71
Added Info POPULAR ELECTRONICS [1] Sep 1981 (v.19#9) pg. 8

Circuit for an ultra-simple lamp flasher.
POPULAR ELECTRONICS [1] Feb 1982 (v.20#2) pg. 97

Circuit for a pulse-modulated light flasher.
POPULAR ELECTRONICS [1] Feb 1982 (v.20#2) pg. 97

Lamp flasher circuit uses two power FET's as a simple astable multivibrator to alternately switch two lamps on and off.
POPULAR ELECTRONICS [2] May 1989 (v.6#5) pg. 86

Flicker light circuit will cause a 117 VAC incandescent lamp to "flicker".
POPULAR ELECTRONICS [2] Jun 1989 (v.6#6) pg. 22

Dual astable multivibrator (oscillator) circuit causes a 12-volt lamp to flicker like the flame of a candle.
POPULAR ELECTRONICS [2] Jun 1990 (v.7#6) pg. 25

Circuits based on the LM3909 oscillator/flasher IC. (1) Dual LED driver. (2) Tick circuit flashes an LED and gives out a sharp tick on a speaker. (3) Variable audio-frequency oscillator. (4) Electronic siren. (5) Code-practice oscillator. (6) AC lamp flasher.
POPULAR ELECTRONICS [2] May 1993 (v.10#5) pg. 70

Collection of 555 oscillator/timer circuits. (1) Astable multivibrator. (2) Modified astable. (3) Add-on LED dual-flasher circuit. (4) Add-on high-power dual-lamp flasher circuit. (5) DC-to-DC converter. (6) Dual-tone generator.
POPULAR ELECTRONICS [2] Jan 1994 (v.11#1) pg. 72

AC light flasher circuit is built around a 555 oscillator/timer IC that is configured in an unusual way.
POPULAR ELECTRONICS [2] Oct 1996 (v.13#10) pg. 66

Light flasher circuit for 7- to 100-watt bulbs.
POPULAR ELECTRONICS [2] Apr 1997 (v.14#4) pg. 58

Experimenting with the 4093 NAND Schmitt trigger. Circuits include oscillator, signal injector, fluorescent-light inverter, fluorescent flasher, Morse code sender, beep-tone generator, LED flasher, and timer.
POPULAR ELECTRONICS [2] Feb 1998 (v.15#2) pg. 50

Circuit to blink a 117-volt incandescent lamp on and off.
POPULAR ELECTRONICS [2] Mar 1998 (v.15#3) pg. 58

How to modify an AC-powered alarm clock to flash an external lamp in sequence with the pulsating alarm. Ideal for someone with a hearing disability.
POPULAR ELECTRONICS [2] Oct 1998 (v.15#10) pg. 56

Sequential lamp-flasher circuit handles up to ten light bulbs. An optical illusion of a "running dark spot" is produced.
RADIO-ELECTRONICS Feb 1987 (v.58#2) pg. 36