Headlight flasher 555 (CB26290E)

This powerful pushbutton uses a power MOSFET. We found it in a Popular Electronics magazine from the 90s. The MOSFET must be mounted on a heat sink.

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Light Interruption Pulse Generator (CB16057E)
This circuit is suggested by Texas Instruments and can be used on an assembly line to drive an...
Optocoupler Low Power Interface (CB15491E)
In the figure we have a interfacing circuit of TTL logic as CMOS logic using a 6N139 optical...
Series and parallel alarm (CB26225E)
This alarm with sensors in series and parallel was found in the 1995 Encyclopedia of Electronic...