qpasatio
Newbie level 5
hello
Does anyone know a good and cheap solution to sense the 220V AC from a pic microcontroller?
An Optocoupler would be a good solution, but it is very expensive. I´ve read a appnote from microchip and they sense the line direct with a 20M resistance. Do you think is a good idea?
Thanks
Does anyone know a good and cheap solution to sense the 220V AC from a pic microcontroller?
An Optocoupler would be a good solution, but it is very expensive. I´ve read a appnote from microchip and they sense the line direct with a 20M resistance. Do you think is a good idea?
Thanks