Hello guys,

I've been ready many of the posts here in the forum but I haven't got any solution of what i want to do.

I want to know how can I make a monitoring system of reefer containers in order to see the actual temperature on a computer. I did a research and found some devices that can connect to the Reefer through a communication port (5pin as I saw it) such as the WRAD from "rtelectronics" and the WAM-D from "mark-itservices" they have their own software to communicate with their devices. My question is, can I connect my own device, such as a microcontroller, to that port? If so, Does he has his own protocol?

I don't want to buy a device that is already done, I want to create my own communication board that establish the communication with my own software by rf or wifi. I don't have problems with the software or the remote communication.

Another question: Do I have to use the same port or the Reefer containers have another port like RS232 or something?

Here is the picture of the port:

container.jpg

Thank you so much in advance.