Found in the March 1989 issue of Radio Electronics magazine, this circuit is used to test printer and other cables. The indication is made by LEDs.
This experimental good sensibility radio was obtained from a 1968 magazine. The magazine no longer...
Found in old documentation, this fuzz uses the 741 Operational Amplifier. Assembly is simple, but...
This sequencer allows the use of switches or sensors to generate the steps of a bipolar stepper...