https://www.blackhat.com/docs/us-15/materials/us-15-Wilhoit-The-Little-Pump-Gauge-That-Could-Attacks-Against-Gas-Pump-Monitoring-Systems-wp.pdf https://www.blac

https://www.blackhat.com/docs/us-15/materials/us-15-Wilhoit-The-Little-Pump-Gauge-That-Could-Attacks-Against-Gas-Pump-Monitoring-Systems-wp.pdf https://www.blackhat.com/docs/us-15/materials/us-15-Wilhoit-... They take commands to change certain values.