http://www.electronicshub.org/super-sensitive-intruder-alarm/
Hey i am a 3rd year engg student doing this project. The sensor part is working but alarm is not ringing.. I am using an 8ohms speaker and R4 n R5 as 1k. Please suggest changes that would make it work and should i use a buzzer instead of speaker. please give complete details as i am not very well versed with 555 working
Hey i am a 3rd year engg student doing this project. The sensor part is working but alarm is not ringing.. I am using an 8ohms speaker and R4 n R5 as 1k. Please suggest changes that would make it work and should i use a buzzer instead of speaker. please give complete details as i am not very well versed with 555 working