LED Monitor for Stepper Motor Operation (MEC166E)

Figure 1 LED monitor.

Double T Oscillator (CB6706E)
The signal from this circuit found in a 1968 Electronics World is sinusoidal and depends on the...
12 V x 4 A Power Supply for the Workbench (CB383E)
Up to 4 A can be sourced by this Power supply. It can be used to power automotive appliances and...
Signal Tracer (CB921E)
This circuit consists of a good perfromance audio amplifier powered from two or four batteries and has...