29
Sep
Since there are a lot of Pan Tilt Zoom (PTZ) Cameras available, I will explain in this article on how to best choose the correct PTZ for your Security Camera Installation.
I will start by...
07
Aug
Almost every DVR has the ability to control a multitude of devices using the RS485 protocol. RS485 uses 2 wires to send and receive data to and from these devices. All the devices in...