thedarkness3300
Newbie level 4
Hello guys, i've got no idea to get which auto dial and microcontroller schematic for my PIR motion sensor alarm system circuit. I need to connect a microcontroller to the relay and auto dial . Which microcontroller and auto dial circuit should i use ? i'm very confuse . i've got an idea by using the microcontroller connect to a phone to make an auto dial . where should i get the schematic diagram and everything ?! its very hard to google it !! please help !