inputs.text: well sorta pwr supply - im use lab supplies set voltage want max current delivered reading book first page serial single switch power supply kiind dc regulated power supply inexpensive pwr supply not adequate need 0000ma 0000dcv accuracy decimal point not float example 385ma cannot determined displays 4ma lots rules follow using pwr supply page one manual warnings state not connect load ps turned likewise make sure disconnect load shutting ps damages ps happen not follow would recommend others unless adequate electron training schooling also use quality bannana clips ones supplied cheap not fit tight