Sequential Arrow (CB6377E)

We found this circuit in an Electronics World of 1967. The components are of the time and incandescent lamps are used.

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1 A Flasher (CB5214E)
This circuit is from an old manual of linear integrated circuits. The LM185 is not a common...
Light Switch 741 (CB25868E)
This simple power supply circuit triggers when the light on the LDR reaches the level set on the...
Logarithmic Amplifier (CB25762E)
This logarithmic operational amplifier was found in the September 1994 issue of Electronics Now...