For now I only have 6 OPA445 opamps... No more TLE2141 :'(. (Samples from TI) The film capacitor you are talking are polyester film type? If I increase R17 value I will solve the led on problem in the current pot set to minimum? And the current LCD meter shows less current than the multimeter shows when I power 1 120mm PC Fan 12V 0,33A (The multimeter shows constant 0,23A and the LCD meter shows 0,14A. The R7 is two 0,47R 10W in paralel (0,235R = 0,24R?).