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.

| Clique na imagem para ampliar |

CMOS Oscillator Using the 4002 (CB898E)
This circuit can generate signals up to 5 MHz according the power supply voltage. Frequency is...
Wheatstone Bridge (CB25887E)
We found this circuit in the September 1995 issue of Electronics Now magazine. The circuit has 6...
Parallel Port Interface for PC (NI021E)
This application is not modern since few computers have parallel ports. But you can use this...