This 1977 circuit only allows the solenoid to energize if the right combination of switch positions is selected. The relay is 6 or 12 V depending on the low voltage supply used.
Tem The CMOS oscillator illustrated in the figure has a frequency that depends on the temperature sensor, a...
Found in a 90s Electronic Design, this circuit generates harmonics from a sinusoidal input signal....
We can use the trigger point of 555 to detect voltage levels or thresholds, in a circuit as shown...