Despite being found in a 1980 publication, this circuit uses components that can still be found easily. The circuit feeds an array of LEDs that run randomly, stopping at one.
Found in a 90s Hands On Electronics, this small preamp finds applications like microphones and other...
This bridge audio amplifier was found in the July 1984 issue of Radio Electronics magazine. The...
The CUT frequency for this filter is determined by the capacitors. The µA4138 is a quad version of...