If you connect a voltmeter what do you see ? Andrey
On Monday, June 1, 2015 at 7:53:29 PM UTC+2, [email protected] wrote: > > I have been playing with the GPIO pins both through the OS as well as > Python using the adafruit libraries, and I am seeing some strange behavior. > When I connect an LED + 470 Ohm resistor to GND and a GPIO pin set as > OUTPUT, I see the LED glow dimly (i.e there is a slight voltage present) > even when the pin is set to LOW! When I set the pin to HIGH, however, I see > the expected result (i.e the LED lights up normally). > > This behavior is seen with all GPIOs, and I am wondering if it is normal. > Shouldn't the voltage across the GPIO pins and GND be zero when set to low? > > I have an Element 14 RevC. with the latest Debian installed. > > Any help/insight would be much appreciated. > > > > > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
