Random neon (CB7082E)

This circuit causes the neon lamps in a set to flash randomly. Capacitors determine the speed of blinks. The supply must be made with high voltage.

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Receiver for remote control via powergrid (CB9577E)
The transmitter can be that of CB9574E. This receiver uses a PLL to directly trigger a sensitive relay....
Warning circuit (CB21675E)
This circuit can be used in alarms to generate a warning signal. The circuit is from a 1960s...
Fun Projects for the Experimenter - volume 1
Author: Newton C. Braga Published:August 1, 1998 Formato:Book and e-Book Pages:...