linear opto-isolation of ac voltege

I must measure the voltage of a wire with ac and will connect it rto the port2 of the cpu But i do not know how to isolate it and think we must use an opto isolation to stop the heat. We cannot use...
linear opto-isolation of ac voltege

I must measure the voltage of a wire with ac and will connect it rto the port2 of the cpu But i do not know how to isolate it and think we must use an opto isolation to stop the heat. We cannot use...
LPC2366 RTC Battery drain

Hi... I am using LPC2366 in my application, I have connected CR2032 3V Lithium Battery to maintain the RTC. The Problem with the System is I have to change the CR2032 3V Lithium Battery After...
LPC2366 RTC Battery drain

Hi... I am using LPC2366 in my application, I have connected CR2032 3V Lithium Battery to maintain the RTC. The Problem with the System is I have to change the CR2032 3V Lithium Battery After...
LPC2119: RTC-conservation with battery ??

Hi everybody! I have got a question concerning the Real Time Clock of the LPC2119 processor: Is it possible to save the values of the RTC (i.e. the time and date) with a battery as the only power...