Stepper Motor Control 4204B (CB25245E)

This circuit was obtained from the November 1989 issue of Radio Electronics magazine. The circuit is for motors up to about 1.5 A.

| Clique na imagem para ampliar |

Robot with stepper motor (CB25376E)
This circuit was obtained from the Radio Electronics magazine of April 1991. The circuit is based...
High impedance preamplifier stage (CB4683E)
In the figure we have a high input impedance stage with a general purpose PNP transistor. An NPN transistor...
Power-On Reset for the 4017 (CB174)
When the power is turned on, the output that goes to the high Iogic Ievel is not necessarily the...