Dan & Vijay Marchesani wrote:

> Hi Dave
>

(Reposted DRAWING due to error in TEXT format)


Then follow your wiring of the LED, R1 - Resistor (100 to 600 Ohms),
add (two) 1N914 Diodes, and Switch below.....

|-------/\/\/\/\/\/\/\----5V (Internal to Pic, WEAK PULL UP)
|
|                       (LED With (2) 1N914 Diodes)
*----I/OPin---*---|>|--|>|--|>|--/\/\/\/---GND
                       |
                       |
                       |               \
                       |--------*   \--------------GND
                                 Switch

Dave
The Switch has to SHUNT the LED, this is only way to keep the
LED from turning on...
Dan

--
http://www.piclist.com hint: PICList Posts must start with ONE topic:
[PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads