{{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) connected to the relay signal pin')})}}
{{form_mod_relay.trigger.label(class_='control-label')}}
{{form_mod_relay.on_at_start.label(class_='control-label')}}