I've used the capacitor method to provide most of the drop in the past. I don't usually max out the LEDs at 20ma. I find there is little difference between 10 and 20ma. Yes, the 10 ( or 20ma ) is current flow through the capacitor. It is necessary to have some resistor in series as well to suppress line spikes. You do have to be careful about mounting the LED packages, as they are not rated for line voltage. That is, if you are expecting a UL rating. Dwight
- Re: RS-232 Tx / Rx monitoring LEDs? Eric Smith
- Re: RS-232 Tx / Rx monitoring LEDs? Paul Koning
- RS-232 Tx / Rx monitoring LEDs? dwight
- RE: RS-232 Tx / Rx monitoring LEDs? tony duell
- Re: RS-232 Tx / Rx monitoring LEDs? Charles Anthony
- Re: RS-232 Tx / Rx monitoring LEDs? Chuck Guzis
- RE: RS-232 Tx / Rx monitoring LEDs? dwight
- Re: RS-232 Tx / Rx monitoring LEDs? Chuck Guzis
- Re: RS-232 Tx / Rx monitoring LEDs? drlegendre .
- Re: RS-232 Tx / Rx monitoring LEDs? Brent Hilpert
- RE: RS-232 Tx / Rx monitoring LEDs? dwight
- Re: RS-232 Tx / Rx monitoring LEDs? Chuck Guzis
- Re: RS-232 Tx / Rx monitoring LEDs? Brent Hilpert
- RE: RS-232 Tx / Rx monitoring LEDs? tony duell
- RE: RS-232 Tx / Rx monitoring LEDs? Steve Moulding
- Re: RS-232 Tx / Rx monitoring LEDs? drlegendre .
- RE: RS-232 Tx / Rx monitoring LEDs? tony duell
- Re: RS-232 Tx / Rx monitoring LEDs? Brent Hilpert
- RE: RS-232 Tx / Rx monitoring LEDs? tony duell
- Re: RS-232 Tx / Rx monitoring LEDs? Chuck Guzis
- RE: RS-232 Tx / Rx monitoring LEDs? tony duell