More about light (490)

1-07-1982 | 7-14 - elektor july/august 1982 There is a wide range of applications for light sensitive switches: staircase light timers, outdoor illumina...

1-07-1982 | The purpose of this circuit is to automatically switch on an outside light to illuminate your front door, when a visitor arrives. The circui...

1-06-1982 | 6-22 — elektor june 1982 electronic starter for fluorescent light strike a light! Standard fluorescent light tubes, or to give them their...

1-06-1982 | 6-42 — elektor june 1982 fluorescent dimmer electronic control of up to three tubes Before taking a closer look at the dim- mer described...

1-02-1982 | 2-46 - elektor february 1982 strobe light control strobe light control an additional touch to light displays Light displays feature on a gra...

1-12-1981 | flashing lights elektor december 1981 — 12-45 Now that the evenings are long and dark and the price of a pint makes you think twice before...

1-09-1981 | disco lights controller elektor september 1981 — 9-29 It would appear to some that the essential ingredients of enjoyment for the younger...

1-07-1981 | Si 4The circuit operates as follows: The 741 opamP is connected as a comparator. It compares the voltage at the emitter of the series pass t...

1-07-1981 | 55 novel flashing light As you may have already guessed, this circuit ess than a method of illumi- By altering the pin numbering a totally "...

1-07-1981 | 62 EPROM light sequencer 12 V The circuit described here is an eight channel light sequencer. The information for each channel (on or off) i...