I have a digital IR-Sensor giving a low output while detecting something.
As I want to trigger something for a given time, I am looking for a circuit with an IC which can delay. As soon as the IR-Sensor pulls low, the IC shall output high for a certain time (around 1 second). Afterwards it shall pull low again. Then it shall stay low. If after the one second, the IR-sensor is still detecting something the delay IC should not output high, but wait until the IR-sensor stops detecting something:
Timing diagram for OP to edit.
_____ _______ _______ Sensor |_______| |_| _____ _____ Output _____| 1 s |_________| 1 s |___
I am currently using an Arduino to do this job, but i was hoping to make the Arduino obsolete and to have a circuit doing the job. Any suggestions? Power consumption shall be low as possible. So maybe 555 timers if possible not. Thanks