Double Christmas Flasher (CB25106E)

This circuit was published in the December 1987 Radio Electronics magazine. It uses two 555s to drive 6 flashing LEDs.

| Clique na imagem para ampliar |

Instrument Scale Modifier (CB4159E)
Using a zener diode it is possible to change the linearity of the scale of an analog instrument by...
Voltage Relay (CB4151E)
This circuit causes the relay to be energized when the input voltage exceeds the voltage value of...
Voltage Regulator Using the 723 IC (CB417)
This circuit can be used in 0,5 to 37 V Power supplies and output currents up to 3 A. The...