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หัวข้อ: Dancing LEDs เริ่มหัวข้อโดย: Admin ที่ ตุลาคม 23, 2010, 10:32:21 AM จาก http://www.extremecircuits.net/2010/01/dancing-leds-circuit-diagram.html
(http://lh6.ggpht.com/_FdGFE8NBDgc/S0mo5bmfK8I/AAAAAAAABf4/Arqu_qVDl88/dancing_leds_schematic_circuit_diagram.gif) Parts: R1_____________10K 1/4W Resistor R2,R3__________47K 1/4W Resistors R4______________1K 1/4W Resistor R5,R6,R7______100K 1/4W Resistors R8____________820R 1/4W Resistor C1,C3_________100nF 63V Ceramic or Polyester Capacitors C2_____________10µF 50V Electrolytic Capacitor C4____________330nF 63V Polyester Capacitor (See Notes) C5____________100µF 25V Electrolytic Capacitor D1___________1N4148 75V 150mA Diode D2-D11_________5 or 3mm. LEDs (any type and color) IC1___________LM358 Low Power Dual Op-amp IC2____________4017 Decade counter with 10 decoded outputs IC M1_____________Miniature electret microphone SW1____________SPST miniature Slider Switch B1_______________9V PP3 Battery Additional circuit parts (see Notes): R9,R10_________10K 1/4W Resistors R11____________56R 1/4W Resistor D12,D13 etc.____5 or 3mm. LEDs (any type and color) Q1,Q2_________BC327 45V 800mA PNP Transistors Q3____________BC337 45V 800mA NPN Transistor |