OpenGarage › Forums › Comments, Suggestions, Requests › Pins for additional remote distance sensor? › Reply To: Pins for additional remote distance sensor? July 9, 2017 at 2:06 pm #467 RayKeymaster Yes it has several pins available, notably digital 4, 5, and analog A0. Digital 4 and 5 are also the default i2C pins (i.e. SDA, SCL). You can use them to add a second distance sensor, or any I2C device.