This module allows you to get 12V AC into your modular case. It has an on/off switch and a power status LED. It works great in combination with my power supply.
No wall wart adapter included.
Disclaimer: Kits or PCBs like this require a certain experience to assemble. A set of tools and basic understanding of electronics and components are required. Please take great care while assembling it. All kits and PCBs are sold at the purchasers risk. Used or assembled kits can't be returned.