Cell Switch Update

Hi Everyone, Since I last posted about my wish to develop a Cellular based switch for turning on your aircraft engine pre-heater many things have been happening. I was contacted buy a board manufacturer that makes a product that exceeds my requirements and along with them we have refined the design to meet the specific needs of the piloting community. We now have a product that will independently switch 2 circuits. The circuits can be turned on simply by calling the unit which comes out of the box with its own phone number. The board has a 4 mode GSM module built into it which, along with the supplied SIM allow you to call it or SMS text it. To Continue reading Cell Switch Update