This circuit makes an incandescent lamp blink in order to vary its brightness with a candle effect. The circuit is from an old Popular Electronics, but the components used are current.
This VCO or Voltage Controlled Oscillator was found in a Popular Electronics from 1991 but can be...
This simple circuit was found in Popular Electronics from 1992. The transistor is a...
This type of circuit is widely used in old cassette recorders and tape players, regulating the...