<<< For a 12v power supply I will use an old AC/12V 3A DC adapter. >>>

Be sure to test first. Most adapters create terrible hum and normally have to have circuitry to filter hum and regulate the voltage.


BIAB 2025:RB 2025, Latest builds: Dell Optiplex 7040 Desktop; Windows-10-64 bit, Intel Core i7-6700 3.4GHz CPU and 16 GB Ram Memory.