Where in the programming process are you having trouble connecting the devices? I am happy to help out. The devices you are naming connect in different ways.
From the other related tickets I see, I am not seeing any reference to programming. Just in case, please note that the panel will not automatically recognize nearby devices. That is not how the systems work.
Each sensor, Z-wave device, and other compatible peripheral must be paired with the panel or with Alarm.com.
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So that we can best assist, what model of alarm sensors are you trying to add to the panel? Here is a link to a programming guide for 319.5 Mhz sensors (compatible with the panel you purchased.)
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For Z-wave devices, those must be cleared first due to the fact that Z-wave devices save parent network info in each device. You can use Clear Device on the IQ Panel, activate each Z-wave device pair button and the panel will indicate a device was cleared. Then you can go back in and Add each Z-wave device one by one.