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หัวข้อ: FADING LED เริ่มหัวข้อโดย: Admin ที่ ตุลาคม 22, 2010, 02:37:14 AM (http://talkingelectronics.com/projects/200TrCcts/images101-200/FadingLED.gif)
หัวข้อ: Re: FADING LED เริ่มหัวข้อโดย: Admin ที่ ตุลาคม 23, 2010, 10:30:32 AM จาก http://www.extremecircuits.net/2010/01/fading-leds-circuit-diagram.html
(http://lh4.ggpht.com/_FdGFE8NBDgc/S0mo5n5wJ8I/AAAAAAAABf8/AmZsxxT8ceY/fading_leds_schematic_circuit_diagram.gif) R1,R2_______________4K7 1/4W Resistors R3_________________22K 1/4W Resistor R4__________________1M 1/4W Resistor (See Notes) R5__________________2M2 1/4W Carbon Trimmer (See Notes) R6,R10,R11,R14,R15_10K 1/4W Resistors R7,R8______________47K 1/4W Carbon Trimmers (See Notes) R9,R13_____________27K 1/4W Resistors R12,R16____________56R 1/4W Resistors C1__________________1µF 63V Polyester Capacitor C2________________100µF 25V Electrolytic Capacitor D1-D4 etc._________5 or 3mm. LEDs (any type and color) (See Notes) IC1_______________LM358 Low Power Dual Op-amp Q1,Q2,Q4__________BC327 45V 800mA PNP Transistors Q3,Q5,Q6__________BC337 45V 800mA NPN Transistors SW1________________SPST miniature Slider Switch B1___________________9V PP3 Battery / Clip for PP3 Battery |