This circuit indicates a digital value through a moving bar. The circuit is TTL and must be powered by 5 V. We find this circuit in a Texas Instruments optoelectronics manual.
This didactic circuit was found in a 2001 documentation. It automatically counts in an increasing and...
To invert the rotation of a motor by changing the levels of an Arduino output or another...
This 1995 circuit directly controls a triac. The triac, in turn, controls the external load. Times...