5 to 60 kHz FM Demodulator (CB25782E)

This 555 IC circuit was found in the November 1994 issue of Radio Electronics magazine. The circuit can be powered by voltages from 12 to 24 V.

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Controlling a blinking LED with LDR (CB24662E)
The figure shows how to control the blinking of a 5 V blinking LED with an LDR. The LED only...
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Suggested by Maxim in documentation from the 90s, this circuit has its response curve given next to...
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