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