This 50% active cycle TTL clock generates signals from 4 to 20 Hz. Its power must be supplied with 5 V and other frequencies can be generated with capacitor replacement.
June 2017 - The new touch screens with resistive sensors of the FK Series from NKK Switches can...
This circuit, suggested by Signetics can be used as a shield. Modern operational can be employed...
Instead of the lamps, LEDs can be used in series with 470 ohm resistors. The circuit is from an...