Tag Archives: purp

555 Pulsni Timer Oscillator

555 Pulsni Timer Oscillator Lista dijelova: R1 = 1 Meg, Preset Pot R2 = 10K R3,R4 = 1K C1 = 10uF, 16V, electrolytic C2 = 0.01uF, ceramic Q1 = BC547 (Gen Purp NPN) or 2N3904 Q2 = 2N2222 (Hi Current NPN, up to 800mA) D1