Note: See the
PWM section of the manual for PWM information and determining which pins may be used for each library option.
{{form_mod_relay.pwm_library.label(class_='control-label')}}
{{form_mod_relay.gpio.label(class_='control-label')}}
{{form_mod_relay.gpio(class_='form-control', value=each_relay.pin, **{'title':_('The GPIO pin (using BCM numbering) to output the PWM signal')})}}
{{form_mod_relay.pwm_hertz.label(class_='control-label')}}
{{form_mod_relay.pwm_hertz(class_='form-control', value=each_relay.pwm_hertz, **{'title':_('The Hertz to output the PWM signal (0 - 70,000)')})}}