I want to add an ultra sonic sensor to my gopigo.
Right now I tested a HC-SR04 sensor successfully directly with my raspberry pi (via GPIO).
Since the gopigo is blocking the GPIO’s of the Pi, it seems that I have to use the gopigo port A1 instead.
How do I have to connect my HC-SR04 sensor to port A1?
My sensor offers the following pins:
Is there a chance to use this sensor, or do I have to buy another one?