Direction Signal (CB25608E)

This circuit was found in the September 1993 Electronics Now magazine. It is based on the 555 and powers an audible indicator.

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Triangular Generator with DA Converter MC10318 (CB14551E)
The circuit shown is from the Motorola Linear Databook of 1990. This circuit converts signals in...
4047 Astable (CB23737E)
In the circuit in the figure, we have the production of rectangular signals with frequencies of up...
Light Sensitive CMOS Astable 4011 (CB907E)
This circuit uses a photoransistor to control the frequency for this oscillator. Power supply...