This circuit generates noise pulses for audio equipment probes. The circuit is from a 90’s 303 Circuits. The operational amplifier is an input FET type.
This circuit uses LDRs as sensors and can either detect the incidence of light on the sensor or...
This circuit was found in a PE Hobbyst Handbook. It makes use of a piezoelectric transducer of the time....
This circuit can be used as a clok in digital applications. Power supply is 5-V and the pins for...