The function of the 555 timer is mainly determined by two comparators. The output voltage of the them controls the state of the RS flip-flop and the discharge tube. It also contains 3 working states.
The circuit described here counts the number of times that an infrared beam is interrupted. The circuit described here counts the number of times that an infrared beam is interrupted. It could be used ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback