The most simple solution to this problem is the simple, time-proven Run /Stop Relay Circuit. With this control circuit, motion cannot commence (or restart) without the operator’s specific pushbutton ...

This is ideal for driving my 133mA relay coil. The input also has the undocumented, but better known, feature of a Schmitt trigger that provides positive switching. 555 Relay Driver Schematic ...

FIGURE 1: This electrical schematic diagram shows the cooler’s single-phase, R-134a capacitor start/capacitor run (CSCR) refrigeration compressor motor, and starting relay circuit section. July 6, ...

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