1 Circuit diagram of the Electric kettle controller. if room temperature is more-or- less constant, it always takes about the same length ... The circuit which operates the alarm tone is similar to the relay circuit, except that the relay is replaced by aanbsp;...
|Title||:||Simple interfacing projects|
|Author||:||Owen Neville Bishop, Henry Budgett|
|Publisher||:||Prentice Hall - 1983|