B balkesli New Member Feb 16, 2008 #1 hi, i want to use a button from 5-8 meters to the circuit. sometimes the button does not function properly. the button is connected to the pic's port and there is a pull-up resistor. when the button is pushed the port is pulled to GND
hi, i want to use a button from 5-8 meters to the circuit. sometimes the button does not function properly. the button is connected to the pic's port and there is a pull-up resistor. when the button is pushed the port is pulled to GND
eblc1388 Active Member Feb 16, 2008 #2 For that distance you have to use a 4K7 pullup resistor instead.
Nigel Goodwin Super Moderator Most Helpful Member Feb 16, 2008 #4 Both excellent ideas, and a third is to use a screened cable as well.
Centretek New Member Feb 18, 2008 #5 If all else fails, gut a cheap r/c toy and use it to operate a relay.