Hello,
Thank you for providing the requested additional information. I've gone through the devices and operating system in use as well as your project brief.
My understanding:
You are currently running a custom Raspberry PI OS, PressPI with a WordPress website. You want the Edimax USB WiFi adapter to serve as an access point and when visited, should force redirect the visitor to the WordPress website hosted on the PI.
My approach to the job:
1. Configure the Edimax USB Adapter and confirm from you that it is currently broadcasting and can be connected to from wireless devices at your location.
2. There is no need for a dedicated Captive Portal software such as PfSense, I will simply force redirect visitors to the IP address of the PI Server by altering it's DNS.
I have updated my bid and will complete this within the stipulated time-frame and budget.