Transistors are common and when pressing the switch, only one of the LEDs remains lit. What it will be is not possible to predict, which makes the game possible.
In the figure we have the typical configuration of a Hartley oscillator. This circuit generates...
Found in an Electronics Now from the 90s this mixer has several inputs. The integrated circuit can...
This useful power supply was found in an 1985 Italian publication, but can still be assembled...