This circuit with a maximum current of 50 mA was found in the August 1998 issue of Electronics Now magazine. The integrated circuit used is not very common today.
This transmitter generates modulated infrared radiation and can be used as the basis for a remote...
This circuit was found in an English magazine Radio & Electronics Constructor of February 1977....
This 800 Hz sinusoidal oscillator was found in a 1970s American documentation. The transistor...