Vermes
Advanced Member level 4
This device is a workshop power supply 30V/3A from Electronics Lab.
Toroidal transformer: 24V 100VA. Another transformer was taken from an old radio and is used to power the multimeter and ventilator. Transistor used was BD139. Front panel is an inkjet print on coated paper. Housing is KM85.
Link to original thread – Zasilacz warsztatowy