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 fires when the light intensity on the sensor drops below a certain level. The trigger...
This circuit consists of a decoder for remote control that allows the activation of 10 channels based...
This circuit is used to test PNP or NPN transistors giving the status indication through LEDs. The...